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Concrete Moisture Sensor SONO-M1
The SONO-M1 is an advanced sensor for measuring moisture in fresh concrete and similar construction materials.
Classical procedures for measuring moisture are sometimes cumbersome and inaccurate. The technology of Time Domain Reflectometry (TDR) remedies here. A technology SONO-M1 takes use of to determine material moisture. The handy two-rod probe measures moisture in sand, gravel, expanded clay spheres and other aggregates. The hand-held meter HD2 and SONO-DIS are appropriate as connection for SONO-M1.
With the help of electrical and magnetical field lines the penetration depth lasts into infinite within the material to measure. The effective, for the measurement relevant penetration depth of the SONO-M1 probes comprises double the rod length. The illustration shows the effectively recorded measuring volume with the green waves.
| Specification | Value |
|---|---|
| Voltage Supply | 7V...24V-DC |
| Current Consumption | 100mA @ 12V/DC during 2...3 seconds. Measurement cycle time |
| Measurement Range | 0...40% water content |
| Accuracy (in % vol. water content) | ±0.2% |
| Conductivity Range | 0...5dS/m |
| Repeatability | ±0.3% |
| Temperature Drift | ±0.3% |
| Material Temperature Measurement Range | -15°C...50°C |
| Material Temperature Accuracy | ±0.5°C (with permanent, complete stay in material) |
| Measurement Volume | 1.0L = 130x100mm diameter |
| Probe Temperature Range | -15°C...50°C |
| Calibration | Calibrations for sand, gravel and grit pre-installed. Own calibrations possible, capacity for up to 15 calibration curves, calibration curve for dielectric constant possible |
| Probe Protection | Waterproof encapsulated in PVC (IP68) |
| Probe Dimensions | 155 x Ø63mm |
| Rod Length | 130mm |
| Rod Diameter | 6mm |
| Interface | 1.5m cable with 7-pole connector |
SONO M1 (130mm)
Mobile Moisture Sensor for sand/gravel, version P2 with integrated TDR electronics and temperature sensor (integrated in the probe bottom!) to measure the temperature and the electrical conductivity when the sensors are fixtures installed in the material.
- IP 68 rating.
- Probe-ø: 64mm
- Rod length: 130mm (blank, stainlees steel)
- Rod diameter: 6mm
- RS485 interface for connection to the HD2 readout device
- Measuring range: 0 .. 40% vol. water content
- Conductivity: 0...5dS/m
- HD2 cable 1,5m
- HD2 User manual
- Weight: 0,5600 kg
- Ref.: 90278990
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- The Sensor measures:
- Fresh concrete Moisture
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