DOL 44RG grain sensor 20-280V AC/DC, 100631
Features
All characteristics
Description
DOL 44 is a 30 mm capacitive sensors for detection of feed, grain and loose substances with relay output and switch function. Sensors are used to control the level in silos and containers. Along with the control of the filling and emptying process. DOL 44 sensors are suitable for use with contactors, relays, PLCs, etc. in the agricultural and industrial sectors, in particular in enterprises for grain level measurement and effective feed level control in poultry houses, pig houses, and cowsheds.Benefits and warranty
High quality
The equipment is manufactured by leading European manufacturers, using modern technologies and materials.
Professional support
Our specialists are always ready to provide qualified advice and assistance in choosing equipment. We also offer a full range of services from installation to maintenance and repair.
Competitive prices
Direct contracts with manufacturers allow us to offer competitive prices for all equipment. You will receive high quality at the best price.
Returns and Exchanges
We provide the opportunity to return or exchange the product within 14 days after purchase if it does not fit or has defects.
Delivery
Nova Poshta
By courier in Kiev
Pickup in Kyiv 1A Academician Korolev Avenue9
Оплата
Payment in cash
Payment Apple Pay / Google Pay
Payment by installments Monobank
Payment online Visa / MasterCard
Payment by card
Cash on delivery "Nova Poshta"
Capacitive Grain Level Sensor DOL 44RG (20-280V AC/DC)
The DOL 44RG capacitive sensor is the most versatile relay model in the series, designed to operate within a wide voltage range from 20 to 280 volts (both AC and DC). This feature makes it an ideal solution for facilities with unstable grids or complex mixed-voltage automation systems.
The device features an integrated changeover relay (NO/NC), allowing for any automation scenario—from stopping the feeding line when full to activating an alarm system. The IP69K protection rating ensures total sealing against dust and moisture, even under high-pressure cleaning.

Key Advantages of DOL 44RG Universal
- Universal Supply Voltage. One sensor fits 24V DC, 110V AC, and 220V AC systems. This drastically simplifies stock management and purchasing.
- Dual Parameter Tuning. Integrated trimmers allow precise sensitivity adjustment for any type of grain or pellets and provide time delay settings to prevent motor wear.
- Full Temperature Compensation. Maintains high detection accuracy across a wide range of ambient temperatures, preventing winter/summer false triggers.
- High Noise Immunity. Advanced shielding protects against interference from mobile phones, frequency converters, and industrial motors.
Technical Specifications
| Characteristic | Value |
|---|---|
| Supply Voltage Range | 20 – 280 V AC/DC (Universal) |
| Output Signal Type | Relay (NO + NC contacts) |
| Max Switching Current | 5 A (250V AC) |
| Protection Rating | IP69K (Fully Sealed) |
Comparison: DOL 44RG vs Standard Switches
Why professional farm managers choose the universal electronic model:
| Feature | DOL 44RG (Electronic) | Mechanical Limit Switches |
|---|---|---|
| Voltage Range | Broad (20-280V) | Usually Fixed |
| Wear and Tear | None (Solid State) | High (Springs/Contacts) |
| Environmental Resistance | Excellent (IP69K) | Poor (prone to corrosion) |
DOL 44RG — reliable, versatile, and built to last.
Features DOL 44RG grain sensor 20-280V AC/DC, 100631
All characteristics
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DOL 44RG grain sensor 20-280V AC/DC, 100631




