This instrument is a grain moisture tester which can measure moisture content of multiple kinds of grains fast. It applies to allocation, Procurement, storage and processing of grains. This instrument can also measure temperature of the grain.
It has the following functions:
1. Select grain variety.
2. Test moisture content of the grain.
3. Measure temperature of the grain.
4. Set standard for moisture content of the grain and give warning on over-standard moisture of grain.
5. Backlight control.
6. Switch between Celsius degree and Fahrenheit degree.
7. Battery low power warning.
8. Auto Power-off.
9. Data hold.
Product Features
★ LCD backlight display
Temperature and humidity digital display, with intuitive readings. It is also convenient to operate in dark environments.
★ Simple operation buttons
Using brand new ABS engineering plastic, easy to operate.
★ Soft silicone protective shell
True soft silicone, non cracking, fully wrapped edge protection design, more anti drop.
★ Precision probe
Can accurately measure various grain varieties.
Temperature and humidity digital display, with intuitive readings. It is also convenient to operate in dark environments.
★ Simple operation buttons
Using brand new ABS engineering plastic, easy to operate.
★ Soft silicone protective shell
True soft silicone, non cracking, fully wrapped edge protection design, more anti drop.
★ Precision probe
Can accurately measure various grain varieties.
Product Paramenters
Model | GM640 |
Testing range | Moisture range:5%-30%,Temperature:-10°C-60°C |
Accuracy | Moisture +/-(1%rh+0.5),Temperature:+/-2.5°C(+/-5°F) |
Resolution | Moisture:0.5%,Temperature:0.1°C/0.1°F |
Operating Environment | Temperature:0°C-40°C, humidity:0-85%RH |
Maximum error | Moisture ± (1% Rh = 0.5), temperature ± 2.5℃ (± 5°F) |
Grain Species | OK |
Moisture measuring | OK |
Temperature measuring | OK |
Moisture Standard setup | OK |
Overflow Alarm | OK |
Backling control | OK |
Unit shift between ceisius | OK |
Fahrenheit | OK |
Low battery Alert | OK |
Auto power off | 5 minutes without any operation |
Data hold function | OK |
Unit size | Host device:72×35×145mm, Probe:415×36×36mm |
Weight | Host device:190.6g, Probe:208.3g |
Power | 3×1.5V AAA batteries |




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