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Series CRF2 Capacitive Level Transmitter
Brand: Dwyer Instruments, LLCThe Series CRF2 is a level transmitter providing a two-wire 4 to 20 mA output to indicate level of liquids, powders and bulk materials.
State of the art sensing technology in the CRF2, using impulse RF admittance measurement provides excellent accuracy and stability.
The CRF2 senses capacitance changes resulting from the height of the material in the tank between the probe and the tank wall. In non-metallic tanks or tanks that do not have the wall parallel to the probe a ground reference must be used.
The CRF2 comes with either a rigid or flexible probe depending on application installation need and probe length required. Featured in the CRF2 is easy push button calibration of zero and span.
Custom order the CRF2 to any length probe that you need for your application. FEP covered probe is ideal for use with corrosive media.
This technology also provides immunity to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems.
Features- State of the art Sensing Technology, uses impulse RF admittance measurement which provides excellent accuracy and stability
- Comes with either a rigid or flexible probe depending on application installation need and probe length required
- Easy push button calibration of zero and span
- Any length probe can be customer ordered for any specific application
- FEP covered probe is ideal for use with corrosive media
- Immune to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems
Specifications
Brand
Accuracy
- ± 0.25 % of Span
- ± 0.5 PF
Ambient Temperature Range
- -40° to 85° C (-40° to 185° F)
BSP Connection
- 1” BSPT Male
- 1-1/2” BSPT Male
- 3/4” BSPT Male
Cable Material
- FEP
- PVC
Calibration
- 20 mA
- 4 mA
Conduit Connection
- 1/2” NPT Female
- M20
Connection Material
- 316 Stainless Steel
Electrical Connectors
- Screw Terminal
Environmental Protection
- Corrosion Resistant Material
- IP66
- NEMA 4X
- Weatherproof
Flange Material
- 316 Stainless Steel
- PVC
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150#
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150#
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150#
Insertion 'U' Length
- 144” (366 cm) - Rod Typical, Max.
- 24” (60.9 cm) - Rod Typical, Cable Typical Min.
- 360” (914 cm) - Cable Typical, Max.
Media
- Liquids & Gases
Mounting
- Remote Mounting
NPT Connection
- 1” NPT Male
- 1-1/2” NPT Male
- 3/4” NPT Male
Output
- 4-20 mA, 2-Wire
Power Requirement
- 12-35 Vdc
Pressure Range
- bar: 0 to 6.89
- kPa: 0 to 689
- psi: 0 to 100
Process Temperature
- -40° to 121° C (-40° to 250° F)
Response Time
- 0.5 second
Sensitivity
- 0.15 PF
Sensor Orientation
- Vertical
Span - Minimum
- 8 PF
Tri-Clamp Connection
- 1” Sanitary Clamp
- 1-1/2” Sanitary Clamp
- 2” Sanitary Clamp
Wetted Materials
- FEP
- Pulp and Paper Processing
- Chemical Processing
- Food and Beverage
- Aggregates
- Plastics
- Mining