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

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Model Description Usually Ships* Price Order
659RTD-1
Ships: Next Day
Price: $104.00
Push-button temperature transmitter, 3-wire RTD Pt100 ohm input. Next Day* $104.00 Order
659TC-1
Ships: Next Day
Price: $104.00
Push-button temperature transmitter, thermocouple (type J, K, T) input. Next Day* $104.00 Order
659TH-1
Ships: Consult Factory
Price: $104.00
Push-button temperature transmitter, thermistor (2252 ohm) input. Consult Factory* $104.00 Order

Specifications

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.

Features

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

Accessories

Model Number Description Usually Ships* Price Order
Temperature Transmitter Enclosure. A-709 Temperature Transmitter Enclosure. Next Day $33.75 Order

Product Literature

Manuals

Catalog Pages

Approvals

Drawings

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