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SF82 Transmitter

Product catalog summary

Overview: The SF82 Transmitter by Michell Instruments is an industrial dew-point transmitter designed for easy installation and maintenance. It measures dew point and moisture content with high accuracy and offers both analog and digital outputs for compatibility with various electronic controllers. The transmitter is part of a service exchange program to minimize downtime and reduce maintenance costs.

Key Features:

Outputs dew point or ppmV moisture content.
Accuracy of ±2 °C (±3.6 °F) dew point.
Modbus RTU over RS485 digital communication.
4 to 20 mA 2-wire output.
Traceable 9-point calibration certificate.
Ultra-fast response to moisture changes.
Low cost of ownership with a sensor exchange program.
Constructed with 316 stainless steel sensor and sample blocks.
Various process connections including 5/8” UNF, 3/4” UNF, G 1/2”, and KF40 Glove Box flange.

Applications: Suitable for use in refrigeration dryers, membrane dryers, adsorption dryers, medical and surgical air, breathing air, additive manufacturing, plastic injection molding, and portable dew point checkers.

Technical Specifications:

Measurement range: -60 °C to +60 °C (-76 °F to +140 °F) dew point.
Response time: 6 seconds from -60 °C to -20 °C and 40 seconds from -20 °C to -60 °C dew point.
Repeatability: 0.5 °C (32.9 °F) dew point.
Electrical output: Configurable 4-20 mA and Modbus RTU over RS485.
Operating temperature: -20 °C to +60 °C (-4 °F to +140 °F).
Pressure safety rating: 450 barg (6526.7 psig) maximum.
Ingress protection: IP66 and NEMA 4.

Installation and Maintenance: The SF82 is designed for quick and economical installation with options for MiniDIN 43650 form C or M12 5-pin electrical connectors. It supports a service exchange and recalibration program to ensure minimal downtime and ongoing sensor traceability.

Certifications: The SF82 series is CE certified and meets various railway and North American safety standards, ensuring its suitability for challenging dew point applications.

Customization and Accessories: Michell Instruments offers customization options for specific application needs and provides a range of installation accessories, including sample blocks and process connection adaptors.

Catalog excerpts

Dew-Point Transmitters 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. • Dew point or ppmV moisture content output • Refrigeration dryers • Membrane dryers • Modbus RTU over RS485 digital communication • Adsorption dryers • Traceable 9 point calibration certificate • Ultra-fast response to moisture change • Additive manufacturing • Low cost of ownership and easy maintenance with sensor exchange program • Plastic injection moulding • 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

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Dew-Point Transmitters SF82 Transmitter The Flexible Moisture Transmitter The SF82 has been designed to operate in compressor room type applications where temperatures can reach +50 °C (+122 °F) where fast, accurate dew point measurements are needed beyond -60 °C (-76 °F) dew point. The SF82 industrial transmitter incorporates the latest Process Sensing Technologies advanced thick film technology to provide fast, stable and repeatable moisture measurements for all dew point dryer applications. Safety and Integrity The mechanical design considers the health and safety quality requirements of the...

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Dew-Point Transmitters Technical Specifications Product Performance Specifications Measurement range ±2 °C (±3.6 °F) dew point* 63% at room temperature at 1 bara (14.5 psia) -60 °C to -20 °C (-76 °F to -4 °F) dew point: 6 s -20 °C to -60 °C (-4 °F to -76 °F) dew point: 40 s Response time Repeatability 9 point calibration certificate traceable to national standards Electrical Specifications Output signal User configurable over range; 4-20 mA (2 wire connection, current source) Moisture Output Dew point or moisture content Temperature Output -60 °C to +60 °C (-76 °F to +140 °F) dew point -50 °C...

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Dew-Point Transmitters SF82 Transmitter Product Dimensions SF82 MiniDIN 43650 C 48.5 1.909 BONDED SEAL FINISH: XXXXXXXXX DRAWING No: Quick Connect Optional Sample Block G1/2 (see accessories and spare parts) O 30.0 1.181 TOLERANCES & DIMENSIONS DRAWING TITLE: 0 DEC. PLACE: ± 0.5 1 DEC. PLACE: ± 0.2 2 DEC. PLACE: ± 0.1 HOLES Ø:± 0.1 ANGLES:± 0.5° DRAWING31.0 1.220 UNITS: mm PROJECT: THIS DOCUMENT IS THE PROPERTY OF MICHELL INSTRUMENTS LTD. AND MUST NOT BE COPIED NOR DISCLOSED TO A THIRD PARTY WITHOUT THE CONSENT OF MICHELL INSTRUMENTS. 106.0 O-RING SEAL TOLERANCES & DIMENSIONS DRAWING TITLE: 0...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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