657T, 658T: Single or Dual Channel, RTD Input, Loop-powered Transmitter
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Product short description:
- 100 ohm Pt, 120 ohm Ni, 10 ohm Cu (selectable type) input
- 4 to 20mA DC output
- 12-50V DC from output loop power
- DIP-switch configuration, push-button calibration
These units accept universal RTD or resistance input signals and output proportional DC current signals. The output can also be linearized to the input sensor signal.
657T, 658T: Single or Dual Channel, RTD Input, Loop-powered Transmitter Description
These units accept universal RTD or resistance input signals and output proportional DC current signals. The output can also be linearized to the input sensor signal.
Single-channel 657T and dual-channel 658T units are ideal for panel shops and end-users who require a high-density signal conditioner that can accommodate a broad range of temperature measurement applications.
Configuration is fast and easy. First, you select the input type with a simple DIP switch. Then, you set your zero/full-scale output values using a toggle switch on the front panel to increase or decrease the signal until you read the desired output value on your voltmeter.
The toggles make it easy to calibrate a normal (proportional) or reverse-acting (inverse) response in seconds. After completing the calibration, just press the mode/set toggle and your configuration settings are safely saved to nonvolatile memory.
Input Ranges
RTD: 100 ohm Pt, 120 ohm Ni, 10 ohm Cu.
Resistance: 0 to 500 ohms.
Output Range
4 to 20mA DC.
Power Requirement
12 to 50V DC (loop-powered). Two-wire transmitter.
Approvals
UL, cUL listed. Class I; Division 2; Groups A, B, C, D.
Learn more about the 600T Series and view all models >
657T, 658T: Single or Dual Channel, RTD Input Transmitter Features & Benefits
- Selectable RTD input types offer flexibility to fit many applications
- DIP switch-configuration and self-ranging technologies speed installation without pots, jumpers, or software
- Toggle-switch calibration simplifies field adjustments for faster and easier maintenance
- Configuration lockout safety feature prevents tampering and accidental changes
- Reverse-acting output capability enables inverse proportional control signals
- Dual channel model saves space and reduces equipment costs
- High-resolution sigma-delta A/D converters deliver superior accuracy for reliable measurements
- Lead break detection supports upscale or downscale fail-safe mode
- Operating temperature range: -25 to 75°C (-13 to 167°F)
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PS5R: Slim Line Power Supplies
- 10W, 15W, 30W, 60W, 90W, 120W, and 240W models
- Universal Input (85-264V AC / 100-370V DC)
- Lightweight and compact size
Select options This product has multiple variants. The options may be chosen on the product page
Additional information
| Weight | 8 oz |
|---|---|
| Dimensions | 1.1 × 5 × 4.5 in |
| Part Number | 657T-0600: Single channel, 657T-0600-C: Single channel, with factory calibration. Specify ranges at checkout, 658T-0600: Dual channel, 658T-0600-C: Dual channel, with factory calibration. Specify ranges at checkout |
| Product Series | 600 Series |
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Description
657T, 658T: Single or Dual Channel, RTD Input, Loop-powered Transmitter Description
These units accept universal RTD or resistance input signals and output proportional DC current signals. The output can also be linearized to the input sensor signal.
Single-channel 657T and dual-channel 658T units are ideal for panel shops and end-users who require a high-density signal conditioner that can accommodate a broad range of temperature measurement applications.
Configuration is fast and easy. First, you select the input type with a simple DIP switch. Then, you set your zero/full-scale output values using a toggle switch on the front panel to increase or decrease the signal until you read the desired output value on your voltmeter.
The toggles make it easy to calibrate a normal (proportional) or reverse-acting (inverse) response in seconds. After completing the calibration, just press the mode/set toggle and your configuration settings are safely saved to nonvolatile memory.
Input Ranges
RTD: 100 ohm Pt, 120 ohm Ni, 10 ohm Cu.
Resistance: 0 to 500 ohms.Output Range
4 to 20mA DC.
Power Requirement
12 to 50V DC (loop-powered). Two-wire transmitter.
Approvals
UL, cUL listed. Class I; Division 2; Groups A, B, C, D.
Learn more about the 600T Series and view all models >
657T, 658T: Single or Dual Channel, RTD Input Transmitter Features & Benefits
- Selectable RTD input types offer flexibility to fit many applications
- DIP switch-configuration and self-ranging technologies speed installation without pots, jumpers, or software
- Toggle-switch calibration simplifies field adjustments for faster and easier maintenance
- Configuration lockout safety feature prevents tampering and accidental changes
- Reverse-acting output capability enables inverse proportional control signals
- Dual channel model saves space and reduces equipment costs
- High-resolution sigma-delta A/D converters deliver superior accuracy for reliable measurements
- Lead break detection supports upscale or downscale fail-safe mode
- Operating temperature range: -25 to 75°C (-13 to 167°F)
-
Tech Papers
The Best Temperature Sensor for Process Control: Thermocouple vs RTD - 8500918 (Log in to view the file)Criteria for Temperature Selection of T/C and RTD Sensor Types This is part three of a comprehensive three-part series that provides information for choosing an industrial temperature sensor from Thermocouple (T/C) and Resistance Temperature Detector (RTD) sensor types. Thermocouple vs RTD Many users simply look to fill the basic needs of their application and do...How to use RTDs for Temperature Measurement - 8500917 (Log in to view the file)Criteria for Temperature Selection of T/C and RTD Sensor Types This is part two of a comprehensive three-part series that provides information for choosing an industrial temperature sensor from Thermocouple (T/C) and Resistance Temperature Detector (RTD) sensor types. The Basics of Temperature Measurement Using RTDs A Resistance Temperature Detector (RTD) is a passive circuit element... -
Specs & Data Sheets
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Accessories
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PS5R: Slim Line Power Supplies
- 10W, 15W, 30W, 60W, 90W, 120W, and 240W models
- Universal Input (85-264V AC / 100-370V DC)
- Lightweight and compact size
Select options This product has multiple variants. The options may be chosen on the product page
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-
Additional information
Additional information
Weight 8 oz Dimensions 1.1 × 5 × 4.5 in Part Number 657T-0600: Single channel, 657T-0600-C: Single channel, with factory calibration. Specify ranges at checkout, 658T-0600: Dual channel, 658T-0600-C: Dual channel, with factory calibration. Specify ranges at checkout
Product Series 600 Series
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