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A. Product Overview
R-Tek Moisture Meters provide practical solutions for checking moisture levels in wood and agricultural materials before processing, storage or quality inspection.
R-Tek RT-814 Wood Moisture Meter
The RT-814 is a handheld pin type digital moisture meter designed for testing wood, timber, paper, cardboard and similar porous materials.
Key features include:
- Moisture measuring range from 0 to 99.9 percent
- Resolution of 0.1 percent
- Accuracy of approximately ±0.5 percent
- Four selectable wood groups
- Digital LCD display
- Portable handheld design
It is suitable for carpenters, timber suppliers, furniture manufacturers and wood quality inspection applications.
R-Tek RT-640 Grain Moisture Meter
The RT-640 is a portable digital grain moisture meter designed to measure both moisture and temperature in agricultural grains.
It supports testing of materials including:
- Paddy
- Wheat
- Barley
- Forage
- Corn
- Rapeseed
- Soybean
- Rice
The instrument provides a moisture measurement range from approximately 5 percent to 30 percent and a temperature range from minus 10 degrees Celsius to 60 degrees Celsius.
Additional features include data hold, backlight, low battery indication, overflow alarm and automatic power off.
R-Tek AR 991 Grain Moisture Meter
The AR 991 is a portable probe type grain moisture tester designed for quick moisture checking in grains and agricultural products.
The penetrating probe allows the user to insert the sensing section into the grain sample for convenient field or storage inspection.
It is suitable for farmers, grain traders, warehouses, agricultural laboratories and food processing units.
B. Working Principle
R-Tek Moisture Meters work by detecting electrical properties that change depending on the moisture content of the material.
Wood Moisture Measurement
The RT-814 uses measuring pins that are inserted into the wood or material surface.
Moisture affects the electrical resistance between the pins. The internal electronics process this change and convert it into a moisture percentage shown on the digital display.
Grain Moisture Measurement
The RT-640 and AR 991 use sensing probes to measure moisture characteristics inside the grain sample.
The electronic sensing circuit detects changes caused by moisture and converts them into a moisture reading.
The RT-640 can also measure the temperature of the grain sample.
C. Why R-Tek Moisture Meters Are Used
Moisture measurement is important because excess or insufficient moisture can affect product quality, storage life and processing performance.
R-Tek Moisture Meters can be used for:
- Checking wood before furniture production
- Testing timber before storage
- Preventing moisture related damage in wood
- Checking grains before storage
- Monitoring grain quality
- Preventing mould and spoilage
- Checking agricultural produce before trading
- Improving storage conditions
- Supporting quality control
- Monitoring moisture during food processing
- Checking raw materials before production
- Reducing the risk of deterioration during transportation
Accurate moisture checking can help users make better decisions regarding drying, processing and storage.
D. Suitable Buyers
R-Tek Moisture Meters are suitable for:
- Furniture manufacturers
- Carpenters
- Timber merchants
- Wood processing companies
- Plywood manufacturers
- Paper and cardboard industries
- Farmers
- Grain traders
- Rice mills
- Flour mills
- Food processing companies
- Grain warehouses
- Agricultural laboratories
- Quality control departments
- Storage facilities
- Agricultural equipment dealers
- Industrial testing laboratories
- Moisture meter distributors
- Instrumentation suppliers
Frequently Asked Questions
1. Which R-Tek Moisture Meter models are available?
The range includes RT-814 Wood Moisture Meter, RT-640 Grain Moisture Meter and AR 991 Grain Moisture Meter.
2. Which R-Tek model is suitable for wood moisture testing?
The RT-814 is designed for measuring moisture in wood, timber, paper, cardboard and similar porous materials.
3. Which models are suitable for grain moisture testing?
RT-640 and AR 991 are suitable for grain moisture measurement.
4. What is the measuring range of the RT-814?
The RT-814 has a moisture measurement range from 0 to 99.9 percent.
5. Is RT-814 a pin type moisture meter?
Yes. RT-814 uses measuring pins that make contact with the material being tested.
6. Can RT-814 be used for furniture manufacturing?
Yes. It can be used for checking wood moisture before cutting, processing, polishing, assembly and furniture manufacturing.
7. Which grains can be measured using RT-640?
RT-640 supports grain types including paddy, wheat, barley, forage, corn, rapeseed, soybean and rice.
8. Does RT-640 measure temperature?
Yes. RT-640 can measure grain temperature in addition to moisture.
9. What is the moisture range of RT-640?
The RT-640 provides a grain moisture measurement range of approximately 5 percent to 30 percent.
10. What is AR 991 used for?
AR 991 is used for portable moisture measurement in grains and agricultural materials using a probe type sensing arrangement.
11. Can these moisture meters be used in grain warehouses?
Yes. RT-640 and AR 991 are suitable for monitoring grain condition before and during storage.
12. Why is grain moisture measurement important?
Grain moisture affects storage life, mould formation, spoilage risk, weight and overall product quality.
13. Can R-Tek Moisture Meters be used for quality control?
Yes. These instruments are suitable for incoming material inspection, production quality checking and storage monitoring.
14. Which model should I choose for timber?
Choose RT-814 for timber, wood, paper and similar porous materials.
15. Which model should I choose for agricultural grains?
Choose RT-640 when you need grain moisture and temperature measurement across multiple grain types. AR 991 is suitable when you need a portable probe type grain moisture tester.
16. Are R-Tek Moisture Meters portable?
Yes. RT-814, RT-640 and AR 991 are designed as portable handheld instruments for field, workshop, warehouse and laboratory use.

