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Documents: 659RTD-1

659RTD 659TC Series 659 Catalog Page More Info

659RTD-1 | Push-button temperature transmitter | 3-wire RTD Pt100 ohm input. | Dwyer

Push-button temperature transmitter, 3-wire RTD Pt100 ohm input.

Brand: DwyerSKU: 659RTD-1

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Push-button temperature transmitter | 3-wire RTD Pt100 ohm input.

Series 659 Push-Button Temperature Transmitter

Programmable, RTD, Thermistor or Thermocouple Input, In-Head Mounting

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.

Product Applications

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

Push button calibration adjustment
Reverse polarity protection
Standard temperature sensor head enclosure mounting
Sensor fault LED

Specifications

Series: 659 Push-Button Temperature Transmitter
Category/Type: Temperature
Type: Transmitters
Series: 659 Push-Button Temperature Transmitter
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.
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).
Output: Linearized 4 to 20 mA; 2-wire loop powered.
Sample Rate: 500 ms.
Loop Resistance: T/C: 700 Ω @ 24 VDC; RTD: 800 Ω @ 24 VDC; Thermistor: 24 VDC.
Output Thermal Drift: Zero: 0.2µA/°C; Span: 0.5µA/°C.
Temperature Limits: Ambient: -4 to 158°F (-20 to 70°C); 80% RH max.
Burnout: Upscale 22 mA.
Weight: 0.92 oz. (26 g).
Agency Approval: CE.