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SF82 Transmitter Industrial Dew-Point Transmitter
Simple to install and maintain, the SF82 transmitter series measures dew point and moisture content and is available with a range of industry standard process connections and electrical connectors.
The SF82 features analog and digital outputs providing compatibility with any electronic controller. All models are available with our service exchange program which minimizes process downtime reducing maintenance costs.
Highlights
• Dew point or ppmV moisture content output
• Accuracy ±2 °C (±3.6 °F) dew point
• Modbus RTU over RS485 digital communication
• 4...20 mA 2 wire
• Traceable 9 point calibration certificate
• Ultra-fast response to moisture change
• Low cost of ownership and easy maintenance with
sensor exchange program
• 316 stainless steel sensor and sample blocks
• 5/8" UNF, 3/4" UNF, G 1/2" process connections
• KF40 Glove Box flange
• MiniDIN 43650 C, M12 electrical connectors
Applications
• Refrigeration dryers
• Membrane dryers
• Adsorption dryers
• Medical and surgical air
• Breathing air
• Additive manufacturing
• Plastic injection moulding
• Portable dew point checkers
Performance
Measurement range (dp) -50 to +60°C dew point
Accuracy (dp) ±2°C dew point
Repeatability ±0.2°C dew point
Long term stability Less than 1% per year at reference conditions
Calibration Traceable 8-point calibration certifi cate
Electrical specifi cations
Output signal 4-20 mA (2-wire connection, current source)
Output Dew point
Analog output scaled range Standard -80 to +20°C Non-standard available upon request
Supply voltage 12-28 VDC
Load resistance Max 250 Ω @ 12 V (500 Ω @ 24 V)
CE marked Certified
Operating specifi cations
Operating temperature -40 to +60°C
Operating pressure 45 MPa (450 barg) maximum
Over pressure rating x2 operating pressure 90 MPa (900 barg)
Flow rate 1 to 5 Nl/min mounted in standard sampling block; 0 to 10 m/sec (0 to 32.8 fps) direct insertion
Thermal compensation Characterised over operating range
Mechanical specifi cation
Ingress protection IP66 in accordance with standard BS EN 60529:1992
NEMA 4 in protection accordance with standard
NEMA 250-2003
Housing material 316 Stainless steel
Dimensions L=132mm (incl. connector & HDPE Filter) x ø27mm
Filter Standard HDPE Guard <10μm Optional Sintered guard 80μm
Process connections and material G 1/2" BSP, 3/4" - 16 UNF, 5/8" - 18 UNF 316 Stainless steel
Weight 150g
Electrical connections Hirschmann GDS series (DIN 4350-C) Digital diagnostic
communications RS485, 2-wire Modbus RTU
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