STRAIN UNIT

MR8903

Measure acceleration, load, pressure or strain waveforms

Model No. (Order Code)

MR8903 For the MR8875

Note: This module must be used with the Memory HiCorder. The strain gauge converter is not provided by HIOKI, and must be purchased from a separate vendor.

Guarantee3years
CE

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

FunctionsNo. of channels: 4, for voltage/strain measurements (selectable for each channel, electronic auto-balancing, balance adjustment range within ±10000 μV, ±10000 με)
Input connectorsUnit side: “HDR-EC14LFDTG2-SLE+” made by Honda Tsushin Kogyo Co., Ltd. Japan
Via conversion cable, “PRC03-12A10-7M10.5” made by Tajimi Electronics Co., Ltd. Japan
Max. rated voltage to earth: 30 V ACrms or 60 V 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)
Suitable transducerStrain gauge converter, Bridge resistance: 120 Ω to 1 kΩ, Bridge voltage: 2 V ±0.05 V, Gauge rate: 2.0
Input resistanceMore than 1 MΩ
Voltage measurement ranges50 μV to 1000 μV/div, 5 ranges, full scale: 20 division
Accuracy: ±0.5 % f.s. + 4 μV (at 50 μV/div only), other ranges ±0.5 % f.s.
(after auto-balance, with filter 5 Hz, zero position accuracy included)
Strain measurement ranges20 με to 1000 με/div, 6 ranges, full scale: 20 division
Accuracy: ±0.5 % f.s. + 4 με (at 20, 50 με/div), other ranges ±0.5 % f.s.
(after auto-balance, with filter 5 Hz, zero position accuracy included)
Low-pass filterLow-pass filter: 5/10/100 Hz, 1 kHz, OFF
Resolution1/1250 of measurement range (using 16-bit A/D converter)
Highest sampling rate200 kS/s (simultaneous sampling across 4 channels)
Frequency characteristicsDC to 20 kHz +1/-3 dB
Max. allowable input10 V DC (the max. voltage that can be applied across input pins without damage)
Dimensions and mass119.5 mm (4.70 in)W × 18.8 mm (0.74 in)H × 151.5mm (5.96 in)D, 173 g (6.1 oz)Conversion cable ×2 (Connector: TAJIMI PRC03-12A10-7M10.5)
AccessoriesConversion cable ×2 (Connector: TAJIMI PRC03-12A10-7M10.5)

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Manuals

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Instruction Manual Japanese
English
Ver.03

Outline Drawings

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Ver.03

Technical Notes

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Declaration of Conformity

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