D Series Sensors for Humidity and Temperature Measurement Type DI Room version Optional display Technical data Humidity

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Jesse Patrick
5 years ago
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Galltec Mess- und Regeltechnik GmbH MELA Sensortechnik GmbH D-75 Bondorf. Germany D-07987 Mohlsdorf-Teichwolframsdorf. Germany Tel. +9 (0)757-95-0. Fax +9 (0)757-758 Tel. +9(0)66-670-0.

1 Galltec Mess- und Regeltechnik GmbH MELA Sensortechnik GmbH D-75 Bondorf. Germany D Mohlsdorf-Teichwolframsdorf. Germany Tel. +9 (0) Fax +9 (0) Tel. +9(0) Fax +9(0) Internet: Internet: D Series Sensors for Humidity and Temperature Measurement Type DI Optional display dynamic MELA humidity sensing element with integrated measuring chamber easy to install operating temperatures up to 60 C Technical data Humidity measuring element output range measuring uncertainty %RH (at C / U B = V DC ) %RH or %RH (at C / U B = V DC ) influence of temperature (ref. to C) Temperature measuring element output ranges measuring uncertainty (U B = V DC ) voltage output 0 C...0 C current output 0 C...0 C influence of temperature <0 C or >0 C Load at current output Ω capacitive MELA FE %RH ±.5 %RH ± %RH typ. ±0.05 %RH/K Pt C C C further ranges on request ±0.5 K ±0. K typ. ±0.0 K/K One special feature of the room version is the integral measuring chamber which is separate from the transmitter electronics. This ensures effective ventilation of the humidity and temperature sensing elements. The measured values are analysed based on individually recorded calibration values in the flash memory and are digitally processed to issue the voltage and current signals. The room version enclosure has a simple, robust locking mechanism. The transmitter electronics can be found in the upper section of the enclosure. Once the lower section has been installed in the chosen location, the upper section can be mounted and secured at a later date without the use of tools. Electrical data outputs voltage supply consumption of electronics (voltage output) min. load resistance (voltage output) load R L (current output) electromagnetic compatibility R L (Ω)= 0... V V...0 ma see type survey voltage supply - 0 V 0,0 A typ. 7 ma 0 kω ±50 Ω ref. EN 66- and EN V DC Options display lines digits + decimal place display approx. x 0 mm² digit height approx. 8 mm page of 6

2 General data Dimensions measuring medium operating temperatures storage temperatures connection wire diameter per connector cable diameter surface cable in-wall cable see: mounting instructions, page degree of protection material of housing color of housing air, pressureless, non-aggressive C C connecting terminals max..5 mm² max. 7 mm (5 mm recommended) IP 0D ABS RAL 900 / signal white 5,7 7,5 0,5 8 Drilling pattern 8 8, 60 8 The drilling pattern for mounting the sensor is located on the packaging 7 Type survey DIF Humidity sensor Type DIF Housing optional display Physical variable relative humidity Output signal corresponds to 0 00 %RH Signal ouput Voltagesupply U B 0 V 6 0 V DC V AC V 5 0 V DC...6 V AC...0 ma 0 5 V DC Type survey DIK Humidity and temperature sensor Type DIK Housing optional display Physical variable relative humidity temperature Output signal corresponds to 0 00 %RH C C C Signal ouput Voltagesupply U B x 0 V 6 0 V DC V AC x V 5 0 V DC...6 V AC x...0 ma 0 5 V DC page of 6

3 Product key D Series Thanks to the hx-converter the D Series offer a wide range of types. The product no. of each type consists of a 6-digit alpha numeric code that descibes the sensor The product key enables you to order the exact type of sensor for your application Series Design Physical outputs Output signals Operating conditions / Special version Measured variable and Output range Measured variable and Output range Operating voltage (please observe specifications in order code table ) Measuring head / Filter / Diameter Design description Design description / sensor tube Order codes for the D Series product key Digit Technical Data Options Order code Series D Series D I Physical outputs Humidity sensor F Sensor with active output signals K Ouput signals x 0 V x 0 0 V x 0 ma 5 6 Working conditions / special version Standard Measured variable and ouput range Relative humidity % RH F and Temperature C Measured variable and ouput range Temperature C 0 Temperature C 05 No signal 00 page of 6

4 Digit Technical Data Options Order code 7 8 Measured value and output range Dew point C Td D 9 0 Measured value and ouput range Enthalpy kj/kg H hx-values (as shown on the right) only available for industrial versions DKK and DWK Mixing ratio g/ kg dry air Absolute humidity g/m³ X A Absolute humidity g/m³ A Wet bulb temperature C W No signal 00 Operating voltage V DC or V AC / Sensors w V output signal V DC or...6 V AC / Sensors w V output signal F V DC w....0 ma output signal A without filter 00 without display with display - 0D 0 Order example Series: D Series Design: Physical outputs: active ouput signals Output signals: x V Working conditions / Special version: Standard Measured value and ouput range : % RH Measured value and ouput range : C D I K 00 F 7 F 00 0D 0 Operating voltage (Please observe specifications in the order code table) V DC /... 6 V AC Measuring head / Filter / Diameter: -- Design description / options room version with display page of 6

5 Connection diagrams DIF...0 ma DIK x...0 ma + U B 0 5 V DC + U B 0 5 V DC 0 ma 0 ma output temperature 0 ma DIF 0... V DC DIK x 0... V DC GND GND + U B 6 0 V DC or 6 6 V AC + U B 6 0 V DC or 6 6 V AC 0 V 0 V output temperature 0 V DIF V DC DIK x V DC GND GND + U B 0 V DC or 6 V AC + U B 5 0 V DC or 6 V AC 0 V 0 0 V output temperature 0 0 V ESD protection advice The sensors of the D Series contain components, which can be damaged by the effects of electrical fields or by charge equalisation when touched. The following protective measures must be taken when the housing of the sensor is to be opened for connection: Before opening the housing of the sensor, ensure electrical potential equalisation between you and your environment. Pay particular attention to ensure that this potential equalisation is maintained while you are working with the opened housing. page 5 of 6

6 Mounting instructions Position Mounting on a patress Connection to surface and in-wall cable Install the sensor at a place where characteristic levels of humidity occur. The measuring chamber should be located in streaming air. Avoid installation next to heaters, doors or on outer walls. Avoid places exposed to the sun. When mounting the sensor on a patress, avoid external air getting onto the measuring elements of the sensor by sealing it appropriately. In order to insert the connection cable, prise the pre-cut part of the housing s base part open. In order to insert a on-wall cable, the bars of the immerged part of the housings side can be removed. Opening the housing Apply a flat-headed screwdriver at the top in the locking slot and press inwards until the housing springs open. Connection The electrical connection must be carried out by properly qualified personnel only. The sensor contains sensitive electrical components. When opening the housing, make sure you comply with the electrostatic discharge precautions. Please pay attention to the voltage supply-adapted load (see diagram on page ) when using sensors with a current output. Lines to and from the sensor must not be installed parallel to strong electromagnetical fields. If there is any chance of an electrical surge, please install surge protection devices. User instructions Dew formation Damaging influences Dew formation does not damage the sensor, although measurement readings are corrupted until all moisture on and around the sensing element has dried up completely. Depending on type and concentration, agents that are corrosive and contain solvents, can result in faulty measurements and can cause the sensor to break down. Substances deposited on the sensor (e. g. resin aerosols, lacuer aerosols, smoke deposits etc.) are damaging as they eventually form a water-repellent film. This information is based on current knowledge and is intended to provide details of our products and their possible applications. It does not, therefore, act as a guarantee of specific properties of the products described or of their suitability for a particular application. It is our experience that the equipment may be used across a broad spectrum of applications under the most varied conditions and loads. We cannot appraise every individual case. Purchasers and/or users are responsible for checking the equipment for suitability for any particular application. Any existing industrial rights of protection must be observed. The quality of our products is guaranteed under our General Conditions of Sale. Data sheet DI_E. Issue July 07. Subject to modifications. page 6 of 6

Humidity Temperature Sensor TFG80 Duct version with Polyga measuring element

Humidity Temperature Sensor TFG80 Duct version with Polyga measuring element Galltec Mess- und Regeltechnik GmbH MELA Sensortechnik GmbH D-71145 Bondorf. Germany D-07987 Mohlsdorf-Teichwolframsdorf. Germany Tel. +49 (0)7457-9453-0. Fax +49 (0)7457-3758 Tel. +49(0)3661-62704-0.