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RFM-1000 Series Radio Frequency Moisture Sensor
Brand: Process Sensors Corporation
The RFM-1000 Radio Frequency Moisture Sensor generates a Radio Frequency Fringe Field at less than 10 MHz.
This field penetrates into the product being measured.
As the total water content of the measured product changes, the RFM-1000 quantifies the resultant shift in frequency. This frequency shift is converted into a high resolution digital count value, directly proportional to the change in percentage total moisture. This operation is performed continuously at 200 measurements per second.
The RFM-1000 consists of an electrode, an oscillator circuit and a digital circuit. The sensor can be connected to a PSC processor with electronics display or to a host computer.
Specifications
Accuracy
- ± 0.05 %, 0 to 1 %
- ± 0.1 %, 0 to 10 %
- ± 0.25 %, 10 to 30 %
- ± 0.5 %, 30 to 80 %
Applications
- Board Manufacture
- Food
- Paper
- Textiles
Communication
- DeviceNet
- Digital
- Ethernet
- Modbus RTU
- Modbus TCP/IP
- PROFIBUS
- PROFINET
- RS-232
- RS-485
- Wireless
Display
- Touch Screen Color LCD or Two Line VFD with Limited Keypad
Environmental Protection
- IP65
- NEMA 4
Frequency
- Operating Frequency: 3 to 7 Hz
Materials of Construction
- Circular: 3.5” Teflon
- Circular: 3.5”, 5” 316 Stainless Steel
- Circular: 5” Ceramic
- Sensor (Anodized with Teflon or Ceramic Spacers), Processor (Powder Coat Painted): Aluminum
- Sensor: Stainless Steel
Operating Temperature
- 0° to 5° C (32° to 120° F)
- High Temperature Version: 0° to 250° C (32° to 500° F)
Output
- Dual Isolated 4-20 mA
Power Supply
- 90-260 Vac Via Remote
- Sensor: 15 Vdc