The RMH-301B is a battery-powered data collection device with low power consumption, suitable for long-tem measurement in the absence of personnel at the places without external power supply such as long-distance mountainous and heavy-snowfall area.
Channel 1
Applicable Transducer Strain-gage transducers
Strain gage civil engineering transducers
Civil engineering transducer with a thermal sensor
Applicable Bridge Resistance 350 ? (Full-bridge system)
Cable Length Max. 2.0 km (4-conductor (0.5 mm2) shielded cable)
Gage Factor Fixed 2.00
Bridge Current Approx. 2.19 mA DC (Constant current)
Temperature Measurement Current Approx. 0.24 mA DC (Constant current)
Measuring Range Strain: ?20000 ?10-6 strain
Temperature: -30.0 to 70.0?C
Resolution Strain: 1 ?10-6 strain
Temperature: 0.1?C
Measuring Accuracy Strain: ?0.1?FS
Temperature: ?0.5?C
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 ?A or less
Input Specifications Bolt (M3)
Applicable press-fitted terminal: RAV, 1.25-3 or equivalent
Operating Temperature -20 to 50?C (0 to 50?C for data collection)
Operating Humidity 10 to 95? RH
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)
Control Software RMH-390A
N/A
