Starting at $219.90USD
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Dwyer

659 Push Button Temperature Transmitter

Push-Button Temperature Transmitters accept thermocouple (J, K, T), RTD (Pt100Ω) or thermistor input and provide a linearized 4 to 20 mA output.

Starting at
$219.90USD
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659 Push Button Temperature Transmitter 07322

 The Series 659 Push-Button Temperature Transmitters accept thermocouple (J, K, T), RTD (Pt100Ω) or thermistor input and provide a linearized 4 to 20 mA output. The transmitter is quickly ranged and calibrated by using a single on-board switch. An LED provides visual indication of sensor fault and programming mode. Models feature reverse polarity protection. Thermocouple models are also galvanically isolated and cold junction compensated.

 
The compact transmitter can be mounted directly within any standard thermal head for connection to the sensor. The Series 659 Transmitters are ideal for temperature measurement in boilers, burners, ducts, furnaces, refrigeration systems, food processing, tanks, chemical processing, steam generators or any other process application.
• Push button calibration adjustment
• Reverse polarity protection
• Standard temperature sensor head enclosure mounting
• Sensor fault LED
Agency Approval:CE.
Weight:0.92 oz. (26 g).
Burnout:Upscale 22 mA.
Temperature Limits:Ambient: -4 to 158°F (-20 to 70°C), 80% RH max.
Output Thermal Drift:Zero: 0.2µA/°C; Span: 0.5µA/°C.
Loop Resistance:T/C: 700 Ω @ 24 VDC; RTD: 800 Ω @ 24 VDC; Thermistor: 24 VDC.
Sample Rate:500 ms.
Output:Linearized 4 to 20 mA, 2-wire loop powered.
Accuracy:T/C Models: ±0.04% FS, ±0.04% of reading or ±0.5°C whichever is greater; RTD Models: ±0.2°C or ±0.1% of rdg; Thermistor: ±0.25°F (±0.1°C).
Input Range:Type J T/C: -328 to 2192°F (-200 to 1200°C); Type K T/C: -328 to 2498°F (-200 to 1370°C); Type T T/C: -328 to 752°F (-200 to 400°C); Pt100Ω RTD: -328 to 1562°F (-200 to 850°C); Thermistor: -13 to 257°F.
• The Series 659 Transmitters are ideal for temperature
measurement in boilers, burners, ducts, furnaces, refrigeration systems, food processing,
tanks, chemical processing, steam generators or any other process application.
• Process applications where a 4 to 20 mA signal is required
 

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