PRESSURE TRANSDUCERS

Product catalog summary

General Overview
The document describes a new range of pressure transducers designed for high accuracy and stability in monitoring refrigerant gas pressure. These transducers are suitable for various applications, primarily in environments requiring refrigerant gas pressure monitoring. They provide output signals of 0-10V or 4-20mA to controllers or monitors.

Construction
The transducers feature a soldered steel casing with a piezoresistive pressure capsule suspended in an oil-filled capsule, ensuring excellent shock and vibration performance. This design also eliminates mounting torque effects.

Connections
Mounting is achieved via a 7/16” – 20UNF female thread, secured by a 17mm hex section. Electrical connections are made through screw terminals within a detachable mPm-193 connector and gland assembly.

Specifications

Product Types: SF0300 & SF0301 (4-20mA), SF0302 & SF0303 (0-10V)
Supply Voltage: 8-28Vdc (4-20mA), 13-30Vdc (0-10V)
Current Required: 25mA max. (4-20mA), 4mA max. (0-10V)
Zero/Span Tolerance: 0.5% FS
Linearity: ±0.2% typ. / ±0.5% max
Total Error Band: Varies with temperature, max ±4.0% (-20°C to 80°C)
Operating Temperature: -20°C to 80°C
Ingress Protection: IP65
Weight: 75g

Applications
These transducers are ideal for use in compressor packs and condenser fans.

Ordering Information

SF0300: -1 to +14 bar, Suction line (4-20mA)
SF0301: -1 to +34 bar, Discharge line (4-20mA)
SF0302: -1 to +14 bar, Suction line (0-10V)
SF0303: -1 to +34 bar, Discharge line (0-10V)

Contact Information
Automation & Control Solutions, Refrigeration Control, Newhouse Industrial Estate, Motherwell, Lanarkshire ML1 5SB, United Kingdom. Tel: +44 (0)1698 481698, Fax: +44 (0)1698 481699, www.honeywell.com/refrigeration

Note: Specifications are subject to change without notice.

Catalog excerpts

The new range of pressure transducers are designed to offer a highly accurate and stable piezoresistive pressure capsule, within a low cost OEM package. Whilst they can be used in various applications, the most common applications are environments that require the pressure of refrigerant gas to be monitored. The transducers transmit a 0-10V or 4 20mA output signal to a controller or monitor, and are available in the following formats: The pressure transducers are mounted by means of a 7/16֔ 20UNF female thread (ּ female flare), and secured by a 17mm a/f hex section. The electrical connections are screw terminals located within a square detachable mPm-193 connector and gland assembly. -1 to +14 bar, Suction line (SF0300 & SF0302) -1 to +34 bar, Discharge line (SF0301 & SF0303) > Product Type SF0300 & SF0302 & SF0301 SF0303 Signal Output 4-20mA 0-10Vdc Configuration 2 wire + Earth3 wire + Earth > Supply Voltage 8-28Vdc 13-30Vdc The external casing is a soldered steel construction, providing a highly stable measuring cell. The sensing element is suspended in an oil filled capsule to provide excellent shock and vibration performance. Similarly, any mounting torque effects are also eliminated. Current Required 25mA max. 4mA max. Pin Connections No.1 IN+ IN+ Pin Connections No.2 OUT / GROUNDGROUND Pin Connections No.3 NoConnectionOUT+ SF0300 & SF0301 (4-20mA) > Pin 1: (IN+) Pin 2: (OUT / GROUND) Pin 3: (No Connection) Pin 4: (EARTH) Pin Connections No.4 EARTH EARTH Maximum Torque 15NM Connector / Gland mPm 193 / cable size 4-6mm Zero / Span Tolerance 0.5% FS 0.5% FS Linearity ӱ0.2% typ. / 0.5% max Total Error band ѱ0.5% typ. / 1.0% max (+18ѰC to 22C) Total Error band б1.0% typ. / 2.0% max SF0302 & SF0303 (0-10V) > Pin 1: (IN+) Pin 2: (GROUND) Pin 3: (OUT+) Pin 4: (EARTH) (0ѰC to 50C) Total Error band б2.5% typ. / 4.0% max (-20ѰC to 80C) Operating Temperature -20аC to 80C Ingress Protection IP65 Weight 75g > Compressor Packs Condenser Fans > Copyright Щ 2005 Honeywell Control Systems Ltd. All Rights Reserved EN0B-0043UK07 R0505 size="-1">

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