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seeds and grain moisture sensor / volumetric water content / high-precision

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seeds and grain moisture sensor seeds and grain moisture sensor - PCE-MWM 240A


  • Application:

    for seeds and grains

  • Additional measurement:

    volumetric water content

  • Other characteristic:



Designed specifically for use in humidity measurement of bulk material, this moisture sensor is installed in bins, silos, troughs, bunkers case, distributors, screw conveyors and on conveyors. Material in bulk or flowing mass, such as dyes, gravel, sawdust, fly ash (mineral), wood chips (surface to 5 cm) feed grain, flour, seed, pastes, ... is smoothly and continuously measurable in the process.

Technical Data:
Measuring range: 0 ... 100 %
Maximum permissible error (absolute): Verified by lab test
Operating temperature range: 0 ... +80 °C
Working mode: continuous operation
Measuring rate: 1 s
Power supply: 24 VDC
Current consumption: 200 mA
Warm-up time (start-up): 30 min
Outputs: RS485 (Modbus RTU), 4-20 mA
[RS485: max. cable length 1000 m; 4-20 mA: max. length 100 m (max. length up to SPS
Inputs: 2 x digital 24 VDC
Dimensions rod sensor: L 500 ... 1000 mm, 15 ... 30 mm dia.
Dimensions bow sensor: L 250 mm, 14 mm dia.
Dimensions (electronics unit): 255 х 170 x 60 mm
Protection (sensor): IP65
Protection (electronic unit): IP54

Rod sensor: 2 ... x kg (depending on the length)
Bow sensor: 3 kg
Electronics unit: 2 kg

Please note that we will need further information to provide a final price for supply and fit. We will need to know what materials are to be measured, we will need samples of the material, and we will need a technical drawing showing where the sensor is to be installed.

Delivery Scope
- 1 x PCE-MWM 2xx sensor
- 1 x RS-485 / USB converter
- 1 x CD (PC software, manual)