RTD Sensor with Fabricated SMS Hygienic Thermowell

Product ID: RHA545

The RHA545 is a hygienic temperature assembly combining a spring loaded RTD sensor and fabricated SMS thermowell. The RHA545 is designed for light to medium process conditions.

The RHA545 temperature sensor is available as a 2, 3 or 4 wire Pt100 or Pt1000 in either simplex, duplex or triplex configuration. The accuracy class can be selected from 1/10 DIN, 1/5 DIN, 1/3 DIN, class A or class B.

This hygienic RTD assembly is available with an aluminium, stainless steel or plastic connection head which has a M20 x 1.5 cable entry. The sensor can be terminated with a ceramic terminal block, 4 to 20 mA transmitter or supplied with tails. There is also an option to specify loop powered or battery powered indicator.

The RHA545 hygienic thermowell features a parallel stem profile and has wide variety of process thread connections available.

There are a number of optional certification and testing services available including 3.1 material certificates to ensure full traceability, pressure testing and positive material identification (PMI).

The RHA545 hygienic RTD SMS temperature sensor is additionally available with ATEX Exia, IECEx Exia, UKEX Exia (intrinsically safe), ATEX Exd, IECEx Exd or UKEX Exd (flameproof) hazardous area approval for use within Zones 0, 1, 2, 20, 21 and 22.

If the options provided by our industrial range don’t meet the precise requirements of your application, call our experts on +44 (0)1243 866 866 for a no-obligation consultation about a bespoke solution.

RTD Sensor with Fabricated SMS Hygienic Thermowell
RTD SensorPt100 • Pt1000
Sensor ConfigurationSimplex • Duplex • Triplex
Sensor Wiring2 Wire • 3 Wire • 4 Wire
Sensor ClassClass B • Class A • 1/3 DIN • 1/5 DIN • 1/10 DIN
ApprovalsATEX Exd II 2 GD • IECEx Exd II GD • UKEX Exd II 2 GD • ATEX Exia II 1 GD • IECEx Exia II 1 GD • UKEX Exia II 1 GD
Connection HeadAluminium • 316 Stainless Steel • Plastic
TerminationTerminal Block • Temperature Transmitter • Tails
IndicatorBattery Powered • Loop Powered
ExtensionNipple & Locknut • Nipple Union Nipple
Thermowell DesignFabricated
Stem ProfileParallel
SMS Size1" • 1.5" • 2" • 2.5" • 3" • 4"
Material316 Stainless Steel
Design TemperatureLow (-196°C to +100°C) • Standard (-50°C to +250°C) • High (-50°C to +650°C)

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