Hioki MR8903
$2.460
The Hioki MR8903 Strain Input Module enables precision voltage and strain waveform measurements when paired with the Hioki MR8875 Memory HiCorder. Ideal for monitoring acceleration, load, and pressure in high-speed power systems.
Hioki MR8903 – 4-Channel Strain Input Module for Voltage & Strain Gauge Measurements.
Designed to deliver high-resolution waveform data in demanding environments, the Hioki MR8903 is a 4-channel strain gauge input module that works seamlessly with the Hioki MR8875 Memory HiCorder (sold separately). This module allows simultaneous high-speed sampling across four channels and supports both voltage and strain gauge measurements, making it indispensable in advanced power logging, automotive testing, and mechanical stress analysis.
With compatibility for strain gauge converters and wide voltage ranges, it supports engineers and technicians involved in industrial diagnostics, power quality analysis, and material testing.
If you’re comparing top-tier electrical test solutions, explore our 2025 Expert Comparison Guide: Fluke vs Hioki Multimeters to better understand their performance differences.
Key Features
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4-channel strain and voltage input for multi-point measurement.
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Auto electronic balancing ensures accurate baseline compensation.
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Supports strain gauge converter input (120 Ω to 1 kΩ bridge resistance).
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Simultaneous 200 kS/s sampling across all channels.
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Built-in low-pass filters (5 Hz to 1 kHz) for noise reduction.
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High-accuracy range: ±0.5% full-scale + offset margin.
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Compact, modular design optimized for integration into the Hioki MR8875 system.
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CE compliant with robust isolation and safety.
Why Choose the Hioki MR8903?
The MR8903 brings together speed, precision, and versatility in a lightweight form factor—allowing precise strain and voltage waveform capture for research, diagnostics, or structural evaluation. Whether used for power logging, mechanical analysis, or stress testing, this module enhances signal fidelity and test flexibility.
Looking for more options in this category? Visit our full range of Power Loggers and Power Quality Instruments to explore similar tools.
What’s Included
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Hioki MR8903 Strain Input Module
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2x Conversion Cables (TAJIMI PRC03-12A10-7M10.5)
Technical Specifications
Attribute | Value |
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Channels | 4 |
Input Connectors | HDR-EC14LFDTG2-SLE+, PRC03-12A10-7M10.5 |
Input Type | Strain gauge converter, 120 Ω – 1 kΩ bridge resistance |
Voltage Range | 50 μV to 1,000 μV/div |
Strain Measurement Range | 20 με to 1,000 με/div |
Accuracy | ±0.5% f.s. + offset margin |
Filters | 5/10/100 Hz, 1 kHz, off |
Resolution | 1/1,250 (16-bit A/D converter) |
Sampling Rate | 200 kS/s (simultaneous) |
Frequency Response | DC to 20 kHz (+1/-3 dB) |
Max Input Voltage | 10 VDC |
Isolation Voltage | 30 VACrms / 60 VDC |
Dimensions | 151.5 × 119.5 × 18.8 mm |
Weight | 173 g |
Warranty | 3 years |
Applications
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Power quality analysis and logging
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Structural health monitoring and strain analysis
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Automotive vibration and stress testing
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Sensor calibration and high-speed waveform acquisition
Explore Related Instruments
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Hioki MR8875 Memory HiCorder – Mainframe required for MR8903
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Fluke 1738 VIP Kit Power Logger – Alternative for three-phase logging and energy audits