Hydro-Probe II - Technical Specifications
The Hydro-Probe II is a rugged, digital, microwave sensor designed to measure moisture in flowing materials. Typical applications include moisture measurement in abrasive materials such as sand, aggregates and concrete through to softer materials including grain, animal feed and wood chips.
Construction
- Body: cast stainless steel (ANC3B 18/8SS).
- Endcap: stainless steel(AISI 316)
- Faceplate: alumina ceramic.
Analogue Output
Configurable 0-20mA or 4-20mA current loop source. For 0-10Vdc output an external 500R load resistor should be connected across the analogue output at the control system.
Material Penetration
Approximately 75-100mm dependent on material.
Power Supply
+15Vdc to +30Vdc. 3 watts max
Digital Communications
Opto-isolated RS485 2-wire port.
Range of Moisture
For bulk materials the sensor will measure up to the point of saturation, typically 0-20% for construction materials.
Discrete Inputs
The batch average start stop or moisture/temperature multiplexing functions can be controlled via the digital inputs.
Grounding
The sensor body is connected to the cable shield. Ensure equipotential bonding of all exposed metalwork. In areas of high lightning risk correct and adequate protection should be used
Operating Temperature
0-60 degrees C. The sensor will not measure moisture in frozen materials.
Refresh Rate
Outputs are updated approximately 25 times per second.
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