RISH Max-12 and 14 Analog-Digital Multimeter. Data Sheet. RISH Max-12 and 14 Analog-Digital Multimeter. Rishabh Instruments

Transcription

1 Data Sheet RISH Max-12 and 14

2 Direct and alternating currents from 10 A A. Diode measurement and continuity testing. MIN, MAX and Hold measurement storage. Application RISH max digital multimeters are suited for universal, general applications in the electrical and electronics fields, as well as in radio and television service, training and education. They are of especially flat design, and thus fit into any bag. The protective cover, which is provided as standard accessory, can be opened at an angle for convenient reading from the workbench, and provides for easy transport. Selection of input resistance for voltage measurement In addition to the usual voltage input with one resistance value of 10 M, which is selected via ~ or, this measuring instrument provides the electrician with an additional selector switch position for 400K. with an input resistance of approx. 400 k. This allows for the avoidance of negative influences from capacitive coupling during voltage measurements in power supply systems. Effective value for distorted waveform (RISH Max 14) The built-in effective value transducer allows for effective value measurement (TRMS) indepedent of waveform for alternating magnitudes (AC). Hold By pressing the HOLD/ON key, the currently displayed measurement value can be held and HOLD is simultaneously displayed. Automatic/manual measuring range selection The measurement quantities are chosen with the rotary selector switch. The measuring range is automatically adjusted to the measurement value. The measuring range can. also be manually selected with the AUTO/MAN button. Diode and continuity testing This provides for the testing of the polarity of diodes, as well as inspection for short-circuits and circuit interruptions. In addition to the display, resistance of less than 40 are indicated with an acoustic signal. Overload warning An acoustic signal occurs, if the range limit value is exceeded. Energy saving circuit The instrument is switched off automatically, if none of the operating elements have been activated for about 30 minutes. Protective cover for rough operating conditions A protective cover of ABS with a built-in stand protects the instrument against jolts and falls. It also secures the test probes for one-hand operation, and allows for winding of the measurement cable which provides protection during transport. Calibration Rish max series multimeters are calibrated using luke 5500 & Wavetek These sources are calibrated at regular intervals. Theft protection Company name and name of the user can be entered into the field next to the display with an indelible etching needle for identification of the owner. Min/Max The minimum and maximum values which were present at the input of the measuring instrument after activation of the MIN MAX mode can be selectively retained with the MIN MAX function. The most important application is the determination of the minimum or maximum value during long term observation of measurement quantities. MIN/MAX has no effect on the analog display; it continues to display the current measurement value.

3 Characteristic values for Rish Max 12 and 14 Meas. unction Measuring Range 400.0m m mA 400.0mA 10.00A 40.0mA Resolution 100 1m 10m 100m m 10m 100m 1 10 A 100 A 10mA 10 A >20M 11M >20M 11M 450m m 450m 400.0mA 100 A A 10mA 750m K 40.00K 400.0K 4000K 40.00M 100m 1 10 approx K 10K Open - circuit voltage BUZZER m DIODE m approx K A 400K A 5) RISH Max 4.000n 40.00n 400.0n 6) 6) K K K 400.0K p 10p 100p 1n 10n Input Impedance Digital display inherent deviation at 100 p//x reference condition / 400K +(...% of rdg. +...digits) Approx. voltage drop at max. meas. current fmin Acoustic signal for 0...< ) ) Overload capacity 1) Overload value effective sine 480mA Overload Duration 6) 6) 480mA 420 DC/AC effective sine <1K : 600 <10K : 400 <400K : 40 6) 6) 420 DC/AC effective sine 10 min 10 min 1) At 0 C C Effective value measurement (TRMS) for RISH Max 14 TRMS measurement is independent of waveform. The specified inherent deviation is valid for the RISH Max 14 from an indication of ) With zero adjustment REL ; without zero adjustment +300 digits in 4n range +30 digits in 40n range 5) Indication of the frequency measurement expanded up to 9999 digits. 6) max. 10 A/30 min 12 A/5 min 16 A/30 sec Applicable regulations and standards IEC DIN EN Part 1 DE DIN IS DIN EN Part 1 DIN EN Part 1 DI/DE 3540 DIN EN DIN DE 0470 Part 1 Safety regulations for electrical measuring, control, regulation and laboratory devices Digital measuring instruments Digital measuring instruments Generic emmision standard residential, commercial and light industry Generic immunity standard residential, commercial and light industry Reliability of measuring, control and regulation instruments Test instruments and test procedures Degree of protection provided by enclosures (IP code)

4 Reference Conditions Reference variables Condition and effects Relative humidity 45 % % requency of meas. quantity Sine 50 Operating voltage RISH Max 12: RISH Max 14: LCD display field (50 mm x 30 mm) with analog and digital display and with display of measurement unit, type of current and various special functions. Digital 7 segment Character height 10 mm Number of digits 3 3/4 digit 3999 steps Overflow display,4000 with blinking,4 Polarity display, sign is displayed when plus pole at, Measurement rate 3 measurements/s for, I,. 1 measurement/s for capacitive and frequency measurements. Analog Scale lengtht Scaling Polarity display Overflow display Measurement rate LCD scale with bar graph display 40 mm with 40 scale division with automatic reversal Bar with triangle 20 measurement/s variable Temperature Waveform RISH max 14 Measuring Magnitude Waveform 1) range 0 C C and +25 C C Crest factor C > Effect... A x intrinsic A error / K 4, 40, 400, ma, A % of rdg. + 5% of rdg. The allowable crest factor C of the alternating magnitude to be measured is dependent upon the displayed value: C 1) or unknown waveform (crest factor C > measurement to be made with manual range selection Except for sine waveform variable requency AC Digit range requency Inherrent Error at (max. resolution) Ref. (...%rdg +...digits) 4, 40, m, <50 > <50 > ariable Relative humidity Range % Effect A 1 x Inherent error RISH Max display : 1 Digital display with comma and polarity display 2 Low Battery Indication 3 for REL and HOLD as well MIN MAX storage 4 Continuity test display: speaker symbol appears when acoustic signal is switched on 5 for diode measurement 6 Measurement unit display 7 for exceeding of measuring range 8 Indicator for analog display 9 Scale for analog display 10 for automatic or manual measuring range selection 11 for selected type of current (AC or DC) ariable Common Mode oltage Series - Mode voltage Aux. oltage (without display) Magnitude Attenuation 600 DC/AC 50 sinusoidal All DC >100 db 600 DC All DC >100 db 600 AC 50 sinus AC 50/60 MAX. 600 DC all ranges except AC : + 5 D AC range : + 20 D 400m / 4 AC 40 AC 400 AC 600 AC DC AC >80 db >63 db >43 db >23 db >43 db >55 db

5 Power Supply Service life using 2 ea. 1.5 mignon cell Zinc-carbon cell per IEC R6 Alkaline manganese dry cell per IEC LR 6 RISH max 14: 9 flat cell battery Zinc-carbon cell per IEC 6 22 Alkaline manganese dry cell per IEC 6 LR 61 RISH max 12: Zinc-carbon cell: approx. 300 hours Alkaline manganese dry cell: approx. 600 hours RISH max 14: Zinc-carbon cell: approx. 150 hours Alkaline manganese dry cell approx. 300 hours Battery test Automatic display of symbol when battery voltage falls below following value: RISH max 12: approx. 2.3 RISH max 14: approx. 7 Electromagnetic Compatibility emission EN : 1992 EN 55022: 1987 class B immunity EN : A range EN :8k air discharge EN : 3 /m EN ; 0.5 k Ambient Conditions Climate classification Mechanical Design 2z/-10/50/70/75% in correspondence with DI/DE 3540 up to 400 ma Breaking capacity 50 ka at 500 ~ and non-reactive load, cos < 0.2; protects all current measuring ranges up to 400 ma in connection with power diodes use for 10 A range 16 A / 500 ; 6.3 mm x 32 mm breaking capacity 50 ka at 500 ~ and non-reactive load, cos < 0.2 Included equipment Electrical safety Protection class II per IEC /EN /DE Overvoltage Classification II III Nominal voltage Contamination level 2 2 Test voltage 3.7 k ~IEC /EN DE Multimeter 1 Probe set 1 Copy Operating Instructions 1 Protective Case with tilt stand Designation Type Order Code Analog-Digital multimeter Analog-Digital multimeter with TRMS RISH Max use 1.6A RISH Max use 16A RISH Max Probe Set Safety cover RISHmax 12/14 RISH Max 12 RISH Max