RMH-301B
Digital Strain Recorder
Summary
· Suitable for long-term measurement in the absence of personnel under the environment without external power supply
· Small & lightweight 1-channel model
· Equipped with a display used to confirm setting conditions and measured values
· Easy to collect data by USB memory
Features
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.
Products table
All display
RMH-301B
Digital Strain Recorder
Specifications
Hardware
| Channels | 1 |
|---|---|
| Applicable Transducer | 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 (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 Some models of USB memory may not collect data correctly. For recommended models, please contact us |
| 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°C (0 to 50°C 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) USB cable N-39 (2 m) Battery Pack RB-5A (5 Ah) Battery Pack RB-10A (10 Ah) Control Software RMH-390A |
Dimensions
RMH-390A
Control Software
Specifications
Operating Environment
| OS | Windows Vista® (32 bits, Japanese version) |
|---|---|
| Interface | USB Interface (RMH-301B) CD-ROM or DVD (For software installation) |
| CPU | PentiumⅢ, 1 GHz or advanced |
| Memory Required | RAM 512 MB or more |
| Hard Disk | Hard disc capacity: 20 MB or more (For installation, excluding that for data) Spare capacity: 10 MB or more (Excluding that for saving measuring data) |
| Graphic | High resolution video (Super VGA): 800 × 600 or more Adapter and monitor: 1024 × 768 Full-color or more |
Remarks
Control Software RMH-390A is Japanese version only.