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.

Basic specifications

Accuracy guaranteed: 1 year, Accuracy guarantee period after adjustment made by Hioki: 1 year
Functions No. of channels: 4, for voltage/strain measurements (selectable for each channel, electronic auto-balancing, balance adjustment range within ±10000 μV, ±10000 με)
Input connectors Unit 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 transducer Strain gauge converter, Bridge resistance: 120 Ω to 1 kΩ, Bridge voltage: 2 V ±0.05 V, Gauge rate: 2.0
Input resistance More than 1 MΩ
Voltage measurement ranges 50 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 ranges 20 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 filter Low-pass filter: 5/10/100 Hz, 1 kHz, OFF
Resolution 1/1250 of measurement range (using 16-bit A/D converter)
Highest sampling rate 200 kS/s (simultaneous sampling across 4 channels)
Frequency characteristics DC to 20 kHz +1/-3 dB
Max. allowable input 10 V DC (the max. voltage that can be applied across input pins without damage)
Dimensions and mass 119.5 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)
Accessories Conversion cable ×2 (Connector: TAJIMI PRC03-12A10-7M10.5)

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