VOLTAGE/TEMP UNIT

MR8902

Measure minute voltage or temperature waveform by 16 bit resolution, isolated input

Model No. (Order Code)

MR8902 For the MR8875

Note: This module must be used with the Memory HiCorder. Thermocouples are not included. Please purchase them separately.

Guarantee3years
CE

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

FunctionsNo. of channels: 15, for voltage/temperature measurement (selectable for each channels)
Input connectorsVoltage/thermocouple input: push button terminal
Recommended wire diameter: single-wire φ 0.32 mm to φ 0.65 mm, stranded wire 0.08 to 0.32 mm2 (conductor wire diameter min. φ 0.12 mm), AWG 28 to 22
Input resistance: 1 MΩ
Max. rated voltage to earth: 100 V AC, DC (with input isolated from the main unit, the max. voltage that can be applied between input channel and chassis and between input channels without damage)
Voltage measurement ranges500 μV to 5 V/div, 9 ranges, full scale: 20 division * The AC instantaneous voltage waveform cannot be measured due to the slow sampling speed.
Resolution: 1/1000 of measurement range (using 16-bit A/D converter)
Accuracy: ±0.1 % f.s. (with digital filter ON, Zero position accuracy included)
Temperature measurement rangeReference junction compensation: Internal/ External (selectable)
Thermocouple broken-wire detection: ON/OFF (selection applies to entire unit)
Thermocouple type: K, J, E, T, N, R, S, B, WRe5-26
* For thermocouple measurement ranges, resolution, and accuracy, refer to the specifications table below
Digital filter50 Hz, 60 Hz, or OFF
Data refresh rate10 ms (with filter OFF, burn-out detection OFF)
20 ms (with filter OFF, burn-out detection ON)
500 ms (with filter ON, data refresh rate: Fast)
2 s (with filter ON, data refresh rate: Normal)
Max. allowable input100 V DC (the max. voltage that can be applied across input pins without damage)
Dimensions and mass119.5mm (4.70 in)W × 18.8mm (0.74 in)H × 184.8mm (7.28 in)D, 190 g (6.7 oz)
AccessoriesFerrite clamp ×2

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Instruction Manual Japanese
English
Ver.03

Outline Drawings

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Ver.01

Technical Notes

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Declaration of Conformity

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