Conductivity. Handheld conductivity meters

Transcription

1 Electrical Meters Meters Handheld conductivity meters cells Portable conductivity meters Accessories conductivity meters The conductivity is a cumulative parameter for the ionic concentration of a solution. The more salt, acid or alkali in a solution, the greater its conductivity. The unit of conductivity is S/cm. The scale for aqueous solutions begins with pure water at a conductivity of 0.05 µs/cm (25 C). Naturally occurring waters such as drinking water or surface water have a conductivity in the range µs/cm. The upper end of the scale is reached by some bases such as potassium hydroxide solutions with a conductivity of just over 1000 ms/cm. In practice conductivity measurements are used for applications such as monitoring plants in which ultrapure water is produced and determining the salinity of sea water. of aqueous solutions µs/cm ms/cm 0, Feedwater for high-pressure boilers Fully deionized water (ion exchanger) Deionized water Drinking water Wastewater Surface water Brackish water, sea water Industrial process water Concentrated acids and bases is measured by making a measurement of the electrical resistance. The simplest kind of measuring cell used consists of two similar electrodes. An alternating voltage applied to one of the electrodes causes the ions in the solution to migrate towards the electrodes. The more ions in the solution, the greater the current which flows between the electrodes. The instrument measures the current and uses Ohm's law to calculate first the conductance of the solution and then - by taken the cell data into account - the conductivity. Literature 76 Further information on this subject can be requested from WTW: Application reports Offprints

2 Meters & Field General Handheld conductivity meters Portable conductivity meters meters for every application Model from page Handheld Quality in a set of three 78 conductivity meters - Simple to use - Proven with memory function - All-rounder with interface Portable Classic 82 conductivity meters robust, shockproof, waterproof, portable, conductivity measurement at depths down to 100 m inolab top quality in 3 stages 84 conductivity meters - Simple and reliable - Compact and communicative - Flexible and powerful cells 88 Standard cells 89 Special cells 89 meter accessories Flow-thru cells 94 Stands and cell holders 94 Calibration and testing agents 95 For documentation Software, printer and accessories 180 ISE ORP ph Oxygen (D.O.) Respiration BOD Multi- Parameter Sample Preparation Colony Counter Further instruments for conductivity measurement from page Multi-parameter instruments 96 Photometry Turbidity Software, Printers conductivity meters Customer Service 77

3 General Information about handheld conductivity meters can be found on pages Meters Handheld Meters Cond 315i, Cond 330i and Cond 340i NEW Handy Dust- and waterproof Easy to use GLP-conform Low-power system allows continuous operation for up to 2500 h Long usability Complete in SET Pocket-size precision Universal conductivity meters with large multifunction display for measurement of conductivity, temperature, salinity and total dissolved solids. With the proven dirt-insensitive Tetracon 4-electrode system they offer the highest degree of precision and operating comfort. 78

4 Cond 315i, Cond 330i, Cond 340i handy waterproof GLP-conform Handheld Meters & Field ISE ORP ph General Cond 315i: The simple conductivity meter for meeting higher demands. With only 5 keys for error-free measurement with parallel temperature measurement, automatic temperature compensation, 4-electrode measuring technology Oxygen (D.O.) Cond 330i: Robust and waterproof handheld conductivity meter for battery operation; with parallel temperature display, integrated datalogger, GLP supporting functions, automatic and manual temperature compensation with linear temperature function and non-linear function for ultrapure water and natural waters according to DIN and EN The temperature compensation can be switched off; either 20 C or 25 C can be selected as the reference temperature Cond 340i: As Cond 330i, but with additional analog and digital RS 232 output and optional mains power supply Respiration BOD Multi- Parameter Sample Preparation Software, Printers Colony Counter Turbidity Photometry Cond 315i IP 66 IP 67 Customer Service Year 3 Warranty 79

5 SET Equipment Each handheld conductivity meter is available in a complete equipment set SET equipment for Cond 315i, Cond 330i and Cond 340i Professional case with built-in measuring set-up and separate compartment for measuring cell and accessories meter with batteries Measuring cell as chosen KCl solution 0.01 mol/l for system checks Stand and measuring beaker Plug-in power supply (only Cond 340i) Operating instructions Technical Data Model Cond 315i Cond 330i Cond 340i Measuring range/ 0.0 µs/cm 500 ms/cm 0.0 µs/cm 500 ms/cm resolution with 5 ranges in 5 ranges or AutoRange in AutoRange 0.00 µs/cm µs/cm (for K=0.1 cm -1 ) 0.00 µs/cm µs/cm µs/cm µs/cm (for K=0.01 cm -1 ) (for K=0.1 cm -1 ) Temperature -5.0 C C -5.0 C C Salinity TDS mg/l Resistivity MΩcm MΩcm 80 Accuracy ±0,5 % of value ±0.5 % of value (±1 digit) Temperature ±0.1 K ±0.1 K Ref. temperature T ref 25 C 20 or 25 C, selectable Cell constant Fixed cm -1, 0.1 cm cm cm -1 and 0.01 cm -1 fixed and cm -1 and cm -1 adjustable Temperature Automatic, can be switched off Automatic, can be switched off compensation Temperature- Non-linear function for natural waters (nlf) Non-linear function for natural waters (nlf) coefficient to EN (DIN ) and to EN (DIN ) and ultrapure water function ultrapure water function Linear compensation from %/K No compensation No compensation Display LCD display 60 x 45 mm visible area, simultaneous display of measurement, temperature and special characters Data storage 500 data sets (measurement, temperature, date/time, identity no.); time-controlled storage at 7 intervals 5 s min, non-volatile data storage Data output Via display Via display or interface Interface Self-configuring analog output V corresponding to display, or RS 232 bi-directional interface Operating time Mains operation Continuous operation from mains supply Battery operation = h* with 4 x 1.5 V batteries with AutoSwitchOff after 1 h (except logger operation) *depending on conductivity Protection type IP 66 and IP 67 to IEC 529 Dimensions 172 x 80 x 37 mm (H x B x D) Weight Approx. 300 g Certified to CE, TÜV/GS, UL and/or cetlus, CUL Warranty 3 years for the instrument

6 Handheld Meters & Field measuring kit according to USP 24, with stainless steel flow-thru vessel for pharmaceutical water (see page 95). General Oxygen (D.O.) ISE ORP ph Ordering Information Handheld Meters Cond 315i Robust and waterproof battery-operated handheld conductivity meter 2C Cond 330i Robust and waterproof battery-operated handheld conductivity meter with datalogger 2C Cond 340i Robust and waterproof battery-operated handheld conductivity meter with datalogger 2C and serial interface Cond 340i Robust and waterproof handheld conductivity meter with datalogger and serial interface, 2C for mains operation Respiration BOD Multi- Parameter Ordering Information SETs Handheld Meters SETs Cond 315i Handheld conductivity meter, including conductivity cell, professional case and accessories 2C Cond 330i Handheld conductivity meter, including conductivity cell, professional case and accessories 2C Cond 340i Handheld conductivity meter, including conductivity cell, professional case and accessories 2C Cond 340i Handheld conductivity meter with mains power supply, including conductivity cell, professional case and accessories2c cells please select one TetraCon electrode conductivity measuring cell 1 TetraCon electrode conductivity measuring cell with 3 m cable 2 LR 325/01 Ultrapure water conductivity cell 4 Sample Preparation Colony Counter Photometry Turbidity SET ordering example Cond 330i + TetraCon conductivity cell 2C Note: Other conductivity cells in SET and instrument versions for 120 VAC/60 Hz are available on request 2 Software, Printers Please refer to page 88 for conductivity cells and page 94 ff. for other accessories Customer Service 81

7 General Information about portable conductivity meters can be found on pages Meters Portable Meters ProfiLine LF 197 and ProfiLine LF 197-S Robust Shockproof Waterproof Portable Reliable Standard conductivity measurement and conductivity measurement at depths down to 100 m WTW portable conductivity meters The WTW conductivity meters of the ProfiLine LF 197 series are both hose-proof (IP 66) and submersible (IP 67). They convince because of their high degree of operator comfort and foolproof operator guidance via the large multifunctional display. They are equipped with a carrying/support handle and carrying strap as standard. The portable conductivity meters are available in 2 versions: ProfiLine LF 197: ProfiLine conductivity meter, extremely robust, hose-proof (IP 66) and submersible (IP 67), for connection of TetraCon electrode measuring cells and depth armature TA 197 LF with up to 100 m cable, with large multifunctional display for temperature and measurement, automatic temperature compensation, selectable reference temperature of 20 C or 25 C, built-in memory, TDS and salinity measurements, RS 232 digital output, integrated carrying and support handle, built-in electrode storage sleeve, for rechargeable battery and mains operation, and including plug-in power supply and carrying strap ProfiLine LF 197-S: As ProfiLine LF 197 but with 2 analog outputs corresponding to display for conductivity and temperature values 82 IP 66 IP 67 Year 3 Warranty

8 Portable Meters & Field Accessories for conductivity measurement at depths down to 100 m depth armature TA 197 LF with built-in temperature sensor, up to 100 m cable with waterproof plug (IP 67), pressure-resistant steel armoring (material VA ) with screw-off protective hood, pressure-resistant to max. 10 bar, fits into 2" boreholes Technical Data Model ProfiLine LF 197 ProfiLine LF 197-S Measuring range/ 0.0 µs/cm ms/cm in 5 ranges, additional µs/cm (at K=0.1 cm -1 ) resolution Temperature C/ ±0.1 K Salinity TDS mg/l Accuracy ±0.5% of value (± 1 digit) Temperature ±0.1 K Ref. temperature 20 C or 25 C, selectable Cell constant 0.1 cm -1 fixed and cm -1, adjustable Temperature Automatic or manual compensation Temperature Non-linear function for natural waters to EN (DIN ) coefficient Linear compensation from %/K No compensation Display LCD display 60 x 35 mm visible area, simultaneous display of measurement, temperature, special characters Data storage Ring memory for 50 pairs of measurements (measurement, temperature) with data protection Data output Via display or interface Interface Unidirectional RS 232 interface Unidirectional RS 232 interface 2 analog recorder outputs for measurement and temperature output corresponding to display Operating time Continuous operation from plug-in mains supply; or hours with rechargeable batteries (depends on conductivity) with AutoSwitchOff after 1 h Protection type IP 66 and IP 67 to IEC 529 Dimensions 230 x 185 x 90 mm (B x D x H) Weight Approx. 1.5 kg Certified to CE, TÜV/GS, UL, CUL Warranty 3 years for the instrument Ordering Information Portable conductivity meters ProfiLine LF 197 Robust, waterproof, submersible conductivity meter ProfiLine LF 197-S As ProfiLine LF 197, but additionally with 2 analog recorder outputs Note: 120 VAC / 60 Hz versions on request Depth armatures for conductivity measurements with ProfiLine LF 197 and ProfiLine LF 197-S 4-electrode conductivity depth armatures with built-in temperature sensors, cable (length optional) with waterproof plug (IP 67), VA steel armoring and screw-off protective hood, pressure resistant to max. 10 bar, fits into 2 boreholes Cable length Cable length TA 197 LF m TA 197 LF m TA 197 LF m TA 197 LF m Please refer to page 88 for conductivity cells and page 94 ff. for other accessories General ISE ORP ph Oxygen (D.O.) Respiration BOD Multi- Parameter Sample Preparation Colony Counter Photometry Turbidity Software, Printers Customer Service 83

9 84 General Information about inolab laboratory instruments can be found on pages Performance-oriented instrument range Simplified operator convenience Mainsindependent Suitable as bench and wall-mounted models Country-specific units ISO-conform documentation Application-oriented displays Meters Meters inolab Cond Level 1, inolab Cond Level 2, inolab Cond Level 3 inolab Level 1 inolab Cond Level 1: simple and reliable Routine laboratory conductivity meter with large multifunctional display, parallel temperature display and automatic temperature compensation. 20 C or 25 C can be set as reference temperature. Both TDS and salinity measurements are possible as well as conductivity and temperature. The ability to set different cell constants means that other special conductivity cells can be connected as well as the TetraCon electrode conductivity cell and LR 325/01 ultrapure water conductivity cell (see page 93). inolab Level 2 inolab Cond Level 2: compact and communicative Standard laboratory conductivity meter with large multifunctional display, parallel temperature display and automatic temperature compensation. An integral measurement store with logger function and a real-time clock allow QA-conform data acquisition. The optional built-in printer allows data printout on thermal paper accepted for use in official documents. 20 C or 25 C can be set as reference temperature. Both TDS and salinity measurements are possible as well as conductivity and temperature. The ability to set different cell constants means that other special conductivity cells can be connected as well as the TetraCon electrode conductivity cell and LR 325/01 ultrapure water conductivity cell (see page 93). Think innovative MultiCal automatic calibration AutoRead automatic drift control for stable and reproducible measurements See innovative Feed and on/off keys keys for controlling the built-in printer Year IP 43 3 Warranty

10 inolab Level 3 inolab Cond Level 3 with Teminal Level 3 or PC software: flexible and powerful Touch innovative High-performance laboratory conductivity meter with graphics display and digital recorder function, parallel display of temperature and automatic temperature compensation. An integral measurement store with logger function and a real-time clock allow QA-conform data acquisition. The optional built-in printer allows data printout on thermal paper accepted for use in official documents. 20 C or 25 C can be set as reference temperature. Both TDS and salinity measurements are possible as well as conductivity and temperature. The ability to set different cell constants means that other special conductivity cells can be connected as well as the TetraCon electrode conductivity cell and LR 325/01 ultrapure water conductivity cell (see page 93). An PC keyboard interface allows an external keyboard or a barcode reader to be connected. Meters & Field General ISE ORP ph Oxygen (D.O.) AutoRead automatic drift control for stable and reproducible measurements RUN/ENTER triggers the measuring process Year IP 43 3 Warranty Terminal Level 3 Built-in digital plotter Graphic evaluation possible Connection of bar-code reader or PC keyboard Automatic memory function if bar-code reader is used Selectable instrument language Extended GLP functions Limit input with acoustic alarm Meets all the requirements of USP 24 Free-of-charge software downloads for inolab pilot or terminal Respiration BOD Multi- Parameter Sample Preparation Colony Counter Photometry Turbidity Software, Printers Customer Service 85

11 Technical Data for laboratory conductivity meters Modelle Cond Level 1 Cond Level 2 Cond Level 3 Range/ 0.0 µs/cm ms/cm Resolution in 5 measuring ranges or AutoRange additionally for K = 0.1 cm -1 : 0.00 µs/cm µs/cm K = 0.01 cm -1 : µs/cm µs/cm Temperature C Salinity TDS: mg/l Resistivity: MΩcm Accuracy ±0.5% of value (±1 digit) Temperature ±0.1 K Reference 20 C or 25 C, selectable temperature Cell constants cm -1, 0.1 cm -1 and 0.01 cm -1 fixed, freely selectable cm -1 and cm -1 Temperature Automatic, manual or switched off compensation Temperature Non-linear function for natural water to EN (DIN ) coefficient Linear compensation from %/K No compensation Calibration With 0.01 mol KCl Real-time clock Non-volatile Data memory 200 records 2000 records (measurement, temperature) (measurement, temperature) date/time, ident. no., time-controlled date/time, ident. no., time-controlled storage interval 5 s min storage interval 1 s days Data output Display Display or interface Display, PC or interface Analog interface Self-configuring as analog output corresponding to display or as RS 232 bidirectional interface Digital interface RS 232 bidirectional interface Operating time/ 2500 h with 4 x 1.5 V standard batteries With terminal: universal plug-in power Energy supply or mains supply supply 230 VAC or 120 VAC Without terminal: via PC interface Protection type IEC 529 / IP 43 without built-in printer Dimensions 230 x 210 x x 250 x x 250 x 70 (B x D x H in mm) Weight Approx. 1.3 kg Approx. 1.6 kg Approx. 1.6 kg Certified to CE, TÜV/GS, UL, CUL Warranty 3 years for the instrument 86

12 Meters General & Field Ordering Information for inolab conductivity meters inolab laboratory conductometers inolab Cond Level 1 Simple and reliable conductometer for routine work 1C inolab Cond Level 2 Compact precision conductometer with serial interface 1C inolab Cond Level 2 Compact precision conductometer with additional 1C built-in printer for GLP-conform documentation inolab Cond Level 3 Flexible and powerful precision the intelligent conductivity measuring place 1C consisting of multifunction box and universal terminal, with PC software/connection cable inolab Cond Level 3 The intelligent conductivity measuring place with additional built-in printer 1C inolab Cond Level 3 The integrated conductivity measuring place with PC software/connection cable; without printer/terminal 1C ISE ORP ph Oxygen (D.O.) Ordering Information for inolab conductivity meters SETs ready to go inolab Cond SETs inolab Cond Level 1 Including cell, passive multifunction box and accessories 1C inolab Cond Level 2 Including cell, passive multifunction box and accessories 1C inolab Cond Level 2 Including built-in printer, cell, passive multifunction box and accessories 1C inolab Cond Level 3 Including terminal, cell and accessories 1C inolab Cond Level 3 With built-in printer, including terminal, cell and accessories 1C inolab Cond Level 3 Without printer/terminal, with PC software/connection cable, cell and accessories 1C Respiration BOD Multi- Parameter cells please select one TetraCon electrode conductivity measuring cell TetraCon electrode conductivity measuring cell with 3 m cable LR 325/01 Ultrapure water conductivity cell Sample Preparation SET ordering example inolab Cond Level 1 + conductivity measuring cell LR 325/01 1C Note: Other measuring cells in SET and instrument versions for 120 VAC/60 Hz are available on request Colony Counter Please refer to page 88 for conductivity cells and page 94 ff. for other accessories Photometry Customer Service Software, Printers Turbidity 87

13 cells Meters TetraCon TetraCon conductivity cells For more than 50 years WTW has been one of the leading manufacturers worldwide of precision conductivity meters and cells. The TetraCon 4-electrode system is the perfect result of a logical, practice-oriented further development and sets a new standard for professional conductivity measurements. In comparison with conventional measuring cells with 2 electrodes, the TetraCon conductivity cell offers numerous technical advantages: Highest degree of precision and linearity by optimized cell geometry Extremely large measuring range with just one cell Long-term cell constant stability with high-quality abrasion-resistant graphite electrodes With built-in temperature sensor as standard Smallest immersion depth possible Ideal sample exchange no dead volume No measuring errors even with very dirty electrode contact resistance on the electrode surface is automatically compensated No measuring errors from cable influences No measuring errors from primary or secondary polarization effects No measuring errors from alteration to the electrical marginal field during contact with base or side walls No danger of breakage owing to robust epoxy casting technique Special conductivity depth armatures for ProfiLine LF 197 and ProfiLine LF 197-S can be found on page 83 88

14 Cells & Field Oxygen (D.O.) General ISE ORP ph Standard conductivity cell TetraCon 325 Special conductivity cell TetraCon 325/Pt Special conductivity cell TetraCon 325/S Ultrapure water conductivity cell LR 325/01 Respiration BOD Multi- Parameter 4-electrode cell with built-in temperature sensor Electrode material graphite Shaft material epoxy Shaft length 120 mm Cell constant K = cm -1 Diameter 15.3 mm Cable length 1.5 m Measuring range 1 µs/cm... 2 S/cm* Temperature range C 4-electrode cell made of glass with built-in temperature sensor. For universal use, even in partially aqueous or highly aggressive media. Electrode material platinum Shaft length 120 mm Cell constant K approx. 1 cm -1 Diameter 20 mm Cable length 1.5 m Measuring range 1 µs/cm... 1 S/cm* 4-electrode cell with built-in temperature sensor for measurements in pastes, creams and emulsions Electrode material graphite Shaft material epoxy Shaft length 120 mm Cell constant K = cm -1 Diameter 15.3 mm Cable length 1.5 m Measuring range 1 µs/cm... 2 S/cm* Sample Preparation Colony Counter Photometry Turbidity Software, Printers Customer Service With built-in temperature sensor and flow-thru vessel D 01/T for the measurement of small conductivities (<1 µs/cm), e.g. boiler feed water or deionized water. Electrode material V4A steel Shaft material V4A steel Shaft length 120 mm Cell constant K = 0.1 cm -1 Diameter 12 mm Cable length 1.5 m Min./max. immersion depth 35/110 mm and flow-thru measurements Measuring range µs/cm µs/cm * Measuring range depends on particular instrument 89

15 flow-thru cell TetraCon DU/T measuring cell LDM 4-electrode cell with built-in temperature sensor for standard applications in laboratories and production. Connection via 10 mm dia. hose nozzles. For small sample volumes with injection syringe for sampling Cell constant K approx. 150 cm -1 Trace conductivity cell LR 325/001 With built-in temperature sensor and flow-thru vessel for the measurement of conductivity and resistance in boiler feed water or deionized water as well as in partially aqueous and nonaqueous media. Flow-thru vessel Electrode material Shaft material Shaft length V4A steel V4A steel V4A steel 120 mm Electrode material graphite Shaft material epoxy Length 155 mm Filling volume 7 ml Cell constant K = cm -1 Measuring range 1 µs/cm... 2 S/cm* Adapter cable KKDU 325, length 1 m, is necessary for the connection. Dialysis conductivity cell TetraCon DU/TH As TetraCon DU/T, but for dialyzers with connectors to DIN (Hansen connectors). Adapter cable KKDU 325, length 1 m, is necessary for the connection. flow-thru cell LDM/S For column chromatography or minute sample volumes. Cell constant K approx. 15 cm -1 Adapter cable K-LDM with built-in 30 kω fixed resistor is necessary for the connection. Volume approx. 4 ml Temperature C Cell constant K = 0.01 cm -1 Diameter 20 mm Cable length 1.5 m Min./max. immersion depth 35/110 mm and flow-thru measurements Measuring range µs/cm µs/cm 90 * Measuring range depends on particular instrument

16 Selection Guide & Field General Selection Guide Measuring cell LF 90 LF 95 LF 96 LTA LTA LTA LTA LTA LTA/S LTA/KS LR 01/T LR 001/T LDM 3 LDM/S 3 KLE 1 KLE 1/T KLE 315 TetraCon 96 TetraCon 96-1,5 TetraCon 96-A- TetraCon 96 A-4 TetraCon 96-T-100 m TetraCon 325 TA 197 LF TetraCon L TetraCon 325/Pt TetraCon DU/T TetraCon DU/TH KDU 1/T KDU 1/TH LR 325/01 LR 325/001 * TetraCon 325/S Adapter (possible conversion with cell constants) is required: 1 Adapter cable KLF 10 2 Adapter cable K/LTA together with temperature sensor TFK 325 or TFK Adapter cable K/LDM 4 Connection cable KKDU 5 Connection cable KKDU 325 * not for Cond 315i Customer Service LF 315 LF 318 LF 320/323/325 LF 330/340A Cond 315i/330i/340i ISE ORP ph Oxygen (D.O.) Respiration BOD Multi- Parameter Sample Preparation Colony Counter Photometry Software, Printers inolab Cond, ph/cond, Multi Turbidity LF 537 LF 538 LF 539 LF 3000 MultiLab 540 MultiLab P4/P5 MultiLine P4, Multi 340i MultiLine P3 ph/lf, ph/cond 340i LF 196 LF 197 LF

17 Ordering Information Standard conductivity cells KLE electrode conductivity cell with 1.5 m cable and waterproof plug TetraCon electrode conductivity cell with built-in temperature sensor, K = cm with waterproof plug (IP 68) and 1.5 m cable TetraCon As TetraCon 325, but cable length 3 m LTA 1 Glass/platinum 2-electrode conductivity cell, K approx. 1 cm (adapter cable K/LTA required) LTA 100 Glass/platinum 2-electrode conductivity cell with adjustable cell constant, K = 1 cm (adapter cable K/LTA required) TetraCon 96 4-electrode conductivity cell with built-in temperature sensor, K = cm -1, 1 m cable TetraCon L Glass/platinum 4-electrode conductivity cell with built-in temperature sensor, K approx. 1.0 cm -1, for universal use, even in partially aqueous or highly aggressive inorganic media. TetraCon 325/Pt Glass/platinum 4-electrode conductivity cell with built-in temperature sensor; can also be used in partially aqueous or highly aggressive solutions, K approx. 1 cm -1 For conductivity measurements at depths down to 20 m TetraCon As TetraCon 325, but cable length 6 m TetraCon As TetraCon 325, but cable length 10 m TetraCon As TetraCon 325, but cable length 15 m TetraCon As TetraCon 325, but cable length 20 m Suitable accessories A 325/K Plastic armoring with protective hood A 325/S Steel armoring with stainless steel protective hood, material no For conductivity measurements at depths down to 100 m TA 197 LF-25 4-electrode conductivity depth cell with built-in temperature sensor, 25 m cable with waterproof plug (IP 68), pressure resistant steel armoring and screw-off protective hood, fits into 2 boreholes TA 197 LF-40 As TA 197 LF-25, but with 40 m cable TA 197 LF-60 As TA 197 LF-25, but with 60 m cable TA 197 LF-100 As TA 197 LF-25, but with 100 m cable Ordering Information Flow-thru conductivity cells TetraCon DU/T Flow-thru cell with built-in temperature sensor for all standard applications in laboratories and production, connection via 10 mm dia. hose nozzles, K = cm -1, without cable TetraCon DU/TH Flow-thru cell with built-in temperature sensor for checking dialyzers, connection via DIN Hansen connectors, K = cm -1, without cable LDM/S flow-thru cell for column chromatography or minute sample volumes, K = approx. 15 cm -1 KDU 1/T flow-thru cell with built-in temperature sensor, for all standard applications in laboratories and production, connection via 10 mm dia. hose nozzles, K approx cm -1, without cable KDU 1/TH Flow-thru cell with built-in temperature sensor for checking dialyzers, connection via DIN Hansen connectors, K approx cm -1, without cable 92

18 Ordering Information cells for special applications Pure and ultrapure water measurements Cells LR 325/01 Ultrapure water cell with built-in temperature sensor, K = cm -1, with flow-thru vessel D 01/T and waterproof plug LTA 01 Glass/platinum 2-electrode conductivity cell for ultrapure water, K approx. 0.1 cm LR 01/T Ultrapure water cell with built-in temperature sensor, with flow-thru vessel D 01/T as standard, K = cm -1, with 1.5 m cable and waterproof plug LR 001/T Trace conductivity cell with built-in temperature sensor and flow-thru vessel for the measurement of conductivity in boiler feed water or deionized water as well as in partially aqueous and non-aqueous media, K = cm -1, with 1.5 m cable LR 325/001 Trace conductivity cell with built-in temperature sensor and flow-thru vessel for the measurement of conductivity in boiler feed water or deionized water as well as in partially aqueous and non-aqueous media, K = cm -1, cable with waterproof plug measurements in pastes and emulsions TetraCon 325/S 4-electrode conductivity cell for pastes and emulsions with built-in temperature sensor, K = cm -1, with waterproof plug and 1.5 m cable LTA/KS 2-electrode conductivity cell for pastes, K = cm Special applications LDM measuring cell for small sample volumes with injection syringe for sampling, K = approx. 150 cm -1, without cable LTA 10 Glass/platinum 2-electrode conductivity cell for extremely high conductivity values, K approx. 10 cm LTA Glass/platinum 2-electrode conductivity cell with special length, suitable for measurements in test tubes (13 mm dia.), K = approx. 1 cm -1 Connection cables and accessories KLF 10 Adapter cable for connection of 2-electrode conductivity cell and TFK K/LTA Adapter cable for connection of 2-electrode conductivity cell and TFK or TFK 150 K-LDM Adapter cable with built-in 30 kohm fixed resistor, length 1 m KKDU Connection cable with 1 m cable KKDU 325 Connection cable with waterproof plug and 1 m cable TH 340 Telescopic extension for TetraCon , m, with sensor holder Protective armoring for safe on-site use 1 SM 325 Shock-absorbing, rubber protective armoring with folding support and sensor cable clamping device 2 TG/Oxi-LF Sleeve set, suitable for SM 325 protective armoring, consisting of electrode sleeve, holding device and additional carrying strap for field use. Can also be used for storing the sensor. 3 FM 325/Oxi-LF Field armoring, specially designed for rough use on-site and in industry, extremely robust and shock-resistant thanks to protective armoring with integrated electrode sleeve, carrying handle and additional carrying strap with holding device, sensor cable clamping device and folding support for laboratory measurements & Field General ISE ORP ph Oxygen (D.O.) Respiration BOD Multi- Parameter Sample Preparation Colony Counter Photometry Turbidity Ordering Information Protective armoring SM 325 Shock-absorbing, rubber protective armoring TG/Oxi-LF Sleeve set, suitable for protective armoring SM FM 325/Oxi-LF Field armoring, specially for rough conditions Software, Printers Customer Service 93

19 Software and printers Information is given on pages Meter Meters Accessories page Protective armoring 93 Flow-thru vessels 94 Stands and cell holders 94 Calibration and testing agents 95 Flow-thru vessels Ordering Information for LTA 1, LTA, LTA 01 and TFK 530 D 530 Flow-thru vessel of transparent PVC, suitable for conductivity cells and temperature sensors, I.D. 44 mm, V*=97 ml for TetraCon 325 D 201 Flow-thru vessel of transparent PVC, I.D. 18 mm, V*=13 ml for TetraCon 96-1,5, TetraCon 96 and KLE 1 D 1/T Flow-thru vessel, glass I.D. 24 mm, V*=36 ml for LR 01/T and LTA 01 D 01/T Flow-thru vessel, glass I.D. 18 mm, V*=17 ml for LTA 100 D 100 Flow-thru vessel I.D. 27 mm, V*=40 ml V*: filling volume without sensor Stand and cell holder Stand STH 650 Benchtop stand with flexible electrode holder for measuring cells and temperature sensors 94 Ordering Information Benchtop stand and cell holder STH 650 Benchtop stand with flexible electrode holder for ph electrodes, ion sensitive electrodes, reference electrodes, temperature sensors, oxygen sensors and TetraCon 325 conductivity cells

20 Meter Accessories & Field Calibration and testing agents General Kit for measuring the conductivity according to USP 24 This kit contains LR 325/01 Ultrapure water cell, D01/T Flow-thru vessel made of glass (USP-KIT 1) or stainless steel (USP-KIT 2), NIST traceable 15 µs standard with accuracy ±2% and 6R/SET/LabTesting set NEW ISE ORP ph Calibration standard 100 µs/cm Shelf life 2 years, NIST traceable with accuracy ±3% Calibration standard 15 µs/cm Shelf life 1 year, NIST traceable with accuracy ±2% Ordering Information Kit for measuring the conductivity according to USP 24 USP Kit 1 Kit for measuring the conductivity according to USP 24, consisting of LR 325/01 Ultrapure water cell, D01/T Glass flow-thru vessel, NIST traceable 15 µs standard with accuracy ±2% and 6R/SET/LabTesting set USP Kit 2 As USP Kit 1, but flow-thru vessel made of stainless steel instead of D01/T Calibration agents KS 100µS Calibration standard 100 µs/cm, shelf life 2 years, NIST traceable with accuracy ±3% (300 ml) KS 15µS Calibration standard 15 µs/cm, shelf life 1 year, NIST traceable with accuracy ±2% (300 ml) EP/SET Calibration and platinization set (6 x 50 ml bottles calibration and control standard, KCl 0.01 mol/l, 30 ml platinizing solution, 1 calibration vessel), only for platinized cells E/SET Calibration set (6 x 50 ml bottles calibration and control standard, KCl 0.01 mol/l) Testing agents for conductivity meters 6R/SET/LAB 1 Testing set for checking the conductivity meters according to ISO Allows the measured values to be traced back to national standards. Only for LF 3000, LF 539, LF 537 and MultiLab P4/P5 6R/SET/LAB 2 Testing set for checking the conductivity meters according to ISO Allows the measured values to be traced back to national standards. Oxygen (D.O.) Respiration BOD Multi- Parameter Sample Preparation Colony Counter Photometry Turbidity Software, Printers Customer Service 95