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Kett PM650 Grain Moisture Meter

Measures grain moisture over 1–40% with a 240 mL sample; 0.5% standard error against the drying method.

Kett PM650 Grain Moisture Meter

Key specifications

Kett PM650
Measuring range
1–40% (sample dependent)
Measuring principle
Capacitance / dielectric (50 MHz)
Operating temperature
0–40 °C
Power supply
4 × 1.5 V AA alkaline batteries
Dimensions and weight
125 (W) × 205 (D) × 215 (H) mm, approx. 1.3 kg
Sample volume
240 mL
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How it works

How a grain moisture meter works: schematicThe sample is poured through the funnel into the measuring cell. The meter measures capacitance between the two electrodes of the cell, weighs the sample, measures its temperature and shows moisture as a percentage on the display. The enlarged view on the right compares dry and moist grain.1234
  1. Sample

    Grain is poured through the funnel into the measuring cell. The cell takes 240 mL of sample.

  2. Measurement

    The cell sits between two electrodes. The meter passes a 50 MHz signal through the sample and measures its capacitance. The wetter the grain, the higher the capacitance.

  3. Compensation

    Capacitance also depends on the density and temperature of the sample. The meter weighs the sample, measures its temperature and corrects the result for both.

  4. Reading

    Moisture appears as a percentage on the digital display. The 13.5 in the diagram is an example reading.

Measuring principle
Capacitance / dielectric (50 MHz)
Sample volume
240 mL
Measuring range
1–40%
Left, the meter in section; right, an enlarged view of the measuring cell: dry grain first, then moist grain. Schematic view; not to scale. Values are from this model’s specification table.

Technical specifications

Kett PM650 Grain Moisture Meter specifications
Measuring principleCapacitance / dielectric (50 MHz)
Measuring range1–40% (sample dependent)
SensitivityStandard error of 0.5% or less against the oven-drying method (for all samples below 20% moisture)
Sample volume240 mL
Operating temperature0–40 °C
FunctionsAutomatic weight compensation, automatic temperature compensation, auto power-off, battery level indicator, averaging
DisplayDigital LCD
Power supply4 × 1.5 V AA alkaline batteries
Power consumption240 mW
Dimensions and weight125 (W) × 205 (D) × 215 (H) mm, approx. 1.3 kg
Standard accessoriesFunnel, manual hopper (sample container), brush, 1.5 V AA alkaline battery × 4, operating manual

Taken from the manufacturer’s catalogue.

Service and spare parts

Maintenance, repair and spare parts for the machines and instruments we sell are handled by our service workshop at İMÇ, Istanbul. When you ask for a spare part, give the brand, the model and the serial number.

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Selection guide: Choosing a moisture measurement method

Service phone
+90 212 519 29 70
Service address
İMÇ 5. Blok No:5413, Unkapanı / İstanbul

More from this category

This category, Grain moisture meters, has 6 products.

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Kett PM650 Grain Moisture Meter

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