RMD-G
Multistage Bedrock Displacement Transducer
Summary
The RMD-G is a displacement transducer for measuring displacement and release strain on bedrock.
Rated Capacity: 0 to 100 mm (Tension or compression rated capacity can be sorted)
Nonlinearity: Within ±2% RO
Rated Output: Approx. 4 mV/V
Features
• Suitable for bedrock measurement in underground cavity or tunneling works
• Compact and lightweight design enables installation to a max. 6 measuring points in a boring,, 66 mm in diameter.
• Easy installation
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RMD-G
Multistage Bedrock Displacement Transducer
Specifications
| Rated Capacity | 0 to 100 mm (Assignable to compression or tension in the range) |
|---|---|
| Channels | 1 to 6 (7 or 8 available on request; with boring diameter 86 mm) |
| Boring Diameter | φ66 mm |
| Measurement Depth | Max. 50 m |
| Input Resistance | 350 Ω±5% |
| Output Resistance | 300 Ω±5% |
| Inspection Methods | Potentiometer-type |
| Rated Output | Approx. 4 mV/V (8000μm/m) |
| Nonlinearity | Within ±2%RO |
| Cable | 20 pairs (0.65 mm); polyethylene-coated pair cable, 5 m long by 13.5 mm diameter, bared at the tip |
| Anchor Portion | Hydraulic anchor BA-66B (Joint use with grout) |
| Diameter of Displacement Transfer Rod | φ5 mｍ |
| Hysteresis | Within ±1%RO |
| Weight | Approx. 7 kg (Displacement measuring unit) |
Mechanical Properties
| Degree of Protection | IP67 (IEC 60529) |
|---|
Dimensions
