Smart Sensor AR991 Grain Moisture Meter
The Smart Sensor AR991 Grain Moisture Meter is a portable digital instrument developed for accurately measuring the moisture content of grains and seeds before storage, processing, or sale. Using an advanced resistance measurement method, it delivers fast and reliable readings to help reduce spoilage, improve storage conditions, and maintain crop quality.
Designed for agricultural professionals, the AR991 supports 14 different grain types, including corn, wheat, rice, barley, sorghum, soybean, peanut, rapeseed, sesame, seed cotton, fodder, soymeal, paddy, and seed melon. Simply select the grain type, insert the dual stainless-steel probes into the sample, and the meter displays the moisture percentage within seconds.
The meter features a backlit LCD display for easy reading in low-light conditions, voice prompts, adjustable deviation calibration, alarm settings, memory function, and automatic power-off to extend battery life. Its ergonomic handle and lightweight design make it convenient for field inspections, grain storage facilities, and quality control applications.
Whether you’re checking harvested crops before storage or monitoring moisture during grain trading and processing, the Smart Sensor AR991 provides dependable performance to help protect crop quality and reduce losses caused by excessive moisture.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AR991 |
| Brand | Smart Sensor |
| Product Type | Digital Grain Moisture Meter |
| Measuring Principle | Resistance Method |
| Moisture Measurement Range | 7.5%–55% (Varies by Grain Type) |
| Resolution | 0.1% |
| Display | Backlit LCD |
| Probe Type | Dual Stainless Steel Probe |
| Supported Grain Types | 14 Types |
| Voice Prompt | Yes |
| Memory Function | Yes |
| Deviation Adjustment | Yes (-3% to +5%) |
| Alarm Function | Yes |
| Auto Power Off | Yes (Approx. 15 Minutes) |
| Low Battery Indicator | Yes |
| Power Supply | 4 × AA Batteries |
| Operating Temperature | -10°C to +50°C |
| Product Dimensions | Approx. 425 × 80 × 43 mm |
| Weight | Approx. 254 g |
Applications
- Grain storage facilities
- Wheat moisture testing
- Corn moisture measurement
- Rice quality inspection
- Seed processing plants
- Feed and fodder moisture testing
- Agricultural research
- Grain trading and procurement
- Farm quality control
- Post-harvest crop management
Precautions
- Select the correct grain type before taking measurements.
- Insert the probes fully into the grain sample for accurate readings.
- Keep the probe clean after each use.
- Avoid using the meter on wet or contaminated samples.
- Remove the batteries if the device will not be used for an extended period.
- Store the meter in a dry, dust-free environment.
- Protect the instrument from strong impacts and excessive moisture.
- Replace the batteries when the low battery indicator appears.
Related Products
- Moisture Meters
- Agricultural Testing Instruments
- Digital Test & Measurement Instruments
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