RMH-301B Digital Strain Recorder

RMH-301B Digital Strain Recorder

This is a low-power data recorder powered by batteries. This makes it suitable for unmanned long-term measurement in places where power is not available, such as remote areas, mountainous regions, and areas with heavy snowfall. It can be connected to strain gage civil engineering sensors (transducers) and civil engineering sensors (transducers) equipped with a temperature measuring function, and it can measure one channel. It also has operation and display sections, allowing for operations related to setting of measuring conditions and performing measurements. Channels: 1/unit

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Description

Features

  • Ideal for unmanned long-term measurement in places where power is not available
  • Compact and lightweight
  • Equipped with a display for confirming settings and measurement values
  • Easy data collection via USB flash drive

Specifications
Channels
1
Applicable Transducers
Strain-gage transducers
Strain-gage civil engineering transducers
Civil engineering transducer with a thermal sensor
Compatible Bridge Resistance
350 Ω (Full-bridge system)
Cable Length
Max. 2.0 km(4-conductor (0.5 mm2) shielded cable)
Gage Factor
2.00 fixed
Bridge Current
Approx. 2.19 mA DC
Temperature Measurement Current
Approx. 0.24 mA DC
Measuring Range
Strain: ±20000 × 10-6strain
Temperature :-30.0 to 70.0℃
Resolution
Strain :1 ×10-6strain
Temperature :0.1℃
Measuring Accuracy
Strain :±0.1％ FS
Temperature :±0.5℃
Data Storage
Strain :30720 times
Temperature :30720 times
Strain + temperature :20475 times
Clock
Year (2 digits of the Gregorian calendar), month, date, hour, and minute
Measuring Interval
1 to 59 minutes (1 minute/step)
1 to 99 hours (1 hour/step)
Display
LCD (16 digits × 2 lines)
Operation
Arrow keys, ON/OFF, SET, ESC
Interface
USB1.1
Power Supply
6 to 15 VDC, optional battery pack
Current Consumption
During operation: 100 mA or less
Standby status: 100 μA or less
Input Specifications
Bolt (M3)
Applicable press-fitted terminal: RAV, 1.25-3 or equivalent
Operating Temperature
-20 to 50℃ (0 to 50℃ for data collection)
Operating Humidity
10 to 95% (Non-condensing)
Operating Environment
Dust or the inductive noise of a bulk motor must not be present.
Dimensions
112 W × 28 H × 66.5 D mm (Excluding protrusions)
Weight
Approx. 180 g
Standard Accessories
Instruction manual (CD-R)
Optional Accessories
USB cable N-38 (1 m), N-39 (2 m)
Battery Pack RB-5A (5 Ah), RB-10A (10 Ah)
Dimensions