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stt 3000 smart temperature transmitters

STT170 Smart Temperature Transmitter

STT170 is a measurement solution for temperature monitoring applications. It helps end users and Original Equipment Manufacturers (OEMs) achieve reliable and accurate temperature measurement in a cost-effective manner

Overview
​The STT170 is Honeywell’s economy-tier family of temperature transmitters to flank the existing mid-tier STT700 and high-tier STT750 & STT850 temperature transmitters. It helps convert low level signals from temperature sensors such as RTDs and TCs into current signals and is capable of transmitting long distances through noisy plant environments.  The STT170 line consists of three temperature transmitters and one configuration tool:
  • STT171 – Analog output, RTD-only sensor input
  • STT173  – Analog output, RTD or thermocouple sensor input
  • STT17H – HART output, RTD & thermocouple sensor input
  • STT17C  – PC-based configuration tool for configuring the STT171, STT173 and STT17H transmitters
Specifications

Overview

  • Models
    • STT171
    • STT173
    • STT17C
    • STT17H

I/O Capabilities

  • Sensor Types Supported
    • Pt100, Pt1000, Ni100, B, E, J, K, L, N, R, S, T, U, W3, W5, v, mV
  • Response Time
    • 1 to 60 sec (STT173, STT17H) millisecond
    • Programmable: 0.33 to 60 sec (STT171) millisecond
  • Configuration
    • STT17C Configuration Tool (PC-based, graphical UI, not for hazardous environments)
  • Update Time
    • STT171: 135 ms
    • STT17H: 440 ms

Functional & Control Features

  • Sensor Error Response
    • NAMUR NE43 (upscale 23 mA, downscale 3.5 mA)
    • Programmable Alarm Levels

Electrical Specifications

  • Output Current Range
    • 4 to 20 mA
    • Update time: 135 ms (STT171), 440 ms (STT173, STT17H)
  • Power Supply Effect
    • ≤ 0.005% of span per VDC
  • Supply Voltage
    • 8 to 30 VDC (STT171)
    • 8 to 35 VDC (STT173, STT17H)
  • Input Type
    • RTD, T/C, Ohm, mV (varies by model) voltage direct current
    • Single or dual sensor input (STT17H) voltage direct current

Environmental Conditions

  • Relative Humidity
    • 0 to 95% RH (Non-Condensing)
  • Load Resistance
    • 0 to 870 Ω
    • ≤ (V supply - 8)/0.023 A
  • Vibration
    • Max 4g over 25 to 100 Hz

Applications & Compatibility

  • Applications
    • Cost-effective, programmable temperature monitoring
    • Replaces direct-wired sensor monitoring for improved accuracy, safety, reliability, and reduced wiring costs
  • Mounting
    • DIN Form B Head Mount

Dimensions & Weight

  • Dimensions
    • 44 mm Dia x 20.2 mm H

Standards & Certifications

  • Approvals
    • ATEX, ATEX: EN 50014, CE, CSA, EMC: EN 61326, EN 50020, EN 50281, FM, IECEx, KEMA Approvals for Hazardous Areas, NAMUR NE43, RoHS, UL

Processing & Performance Metrics

  • Accuracy
    • Pt100: ±0.1 deg C, Ni100: ±0.1 deg C
    • T/C: varies by type (see detailed specs below)

Others

  • Ambient Temperature Range
    • -40 to 185 deg F
    • -40 to 85 deg C

Overview

  • Models
    • STT171
    • STT173
    • STT17C
    • STT17H

I/O Capabilities

  • Sensor Types Supported
    • Pt100, Pt1000, Ni100, B, E, J, K, L, N, R, S, T, U, W3, W5, v, mV
  • Response Time
    • 1 to 60 sec (STT173, STT17H) millisecond
    • Programmable: 0.33 to 60 sec (STT171) millisecond
  • Configuration
    • STT17C Configuration Tool (PC-based, graphical UI, not for hazardous environments)
  • Update Time
    • STT171: 135 ms
    • STT17H: 440 ms

Functional & Control Features

  • Sensor Error Response
    • NAMUR NE43 (upscale 23 mA, downscale 3.5 mA)
    • Programmable Alarm Levels

Electrical Specifications

  • Output Current Range
    • 4 to 20 mA
    • Update time: 135 ms (STT171), 440 ms (STT173, STT17H)
  • Power Supply Effect
    • ≤ 0.005% of span per VDC
  • Supply Voltage
    • 8 to 30 VDC (STT171)
    • 8 to 35 VDC (STT173, STT17H)
  • Input Type
    • RTD, T/C, Ohm, mV (varies by model) voltage direct current
    • Single or dual sensor input (STT17H) voltage direct current

Environmental Conditions

  • Relative Humidity
    • 0 to 95% RH (Non-Condensing)
  • Load Resistance
    • 0 to 870 Ω
    • ≤ (V supply - 8)/0.023 A
  • Vibration
    • Max 4g over 25 to 100 Hz

Applications & Compatibility

  • Applications
    • Cost-effective, programmable temperature monitoring
    • Replaces direct-wired sensor monitoring for improved accuracy, safety, reliability, and reduced wiring costs
  • Mounting
    • DIN Form B Head Mount

Dimensions & Weight

  • Dimensions
    • 44 mm Dia x 20.2 mm H

Standards & Certifications

  • Approvals
    • ATEX, ATEX: EN 50014, CE, CSA, EMC: EN 61326, EN 50020, EN 50281, FM, IECEx, KEMA Approvals for Hazardous Areas, NAMUR NE43, RoHS, UL

Processing & Performance Metrics

  • Accuracy
    • Pt100: ±0.1 deg C, Ni100: ±0.1 deg C
    • T/C: varies by type (see detailed specs below)

Others

  • Ambient Temperature Range
    • -40 to 185 deg F
    • -40 to 85 deg C
  • Ambient Temperature Range : -40 to 185 deg F|-40 to 85 deg C
  • Models : STT171|STT173|STT17C|STT17H
  • Sensor Types Supported : Pt100, Pt1000, Ni100, B, E, J, K, L, N, R, S, T, U, W3, W5, v, mV
  • Sensor Error Response : NAMUR NE43 (upscale 23 mA, downscale 3.5 mA)|Programmable Alarm Levels
  • Output Current Range : 4 to 20 mA|Update time: 135 ms (STT171), 440 ms (STT173, STT17H)
  • Power Supply Effect : ≤ 0.005% of span per VDC
  • Relative Humidity : 0 to 95% RH (Non-Condensing)
  • Load Resistance : 0 to 870 Ω|≤ (V supply - 8)/0.023 A
  • Supply Voltage : 8 to 30 VDC (STT171)|8 to 35 VDC (STT173, STT17H)
  • Response Time : 1 to 60 sec (STT173, STT17H) millisecond|Programmable: 0.33 to 60 sec (STT171) millisecond
  • Configuration : STT17C Configuration Tool (PC-based, graphical UI, not for hazardous environments)
  • Applications : Cost-effective, programmable temperature monitoring|Replaces direct-wired sensor monitoring for improved accuracy, safety, reliability, and reduced wiring costs
  • Update Time : STT171: 135 ms|STT17H: 440 ms
  • Input Type : RTD, T/C, Ohm, mV (varies by model) voltage direct current|Single or dual sensor input (STT17H) voltage direct current
  • Dimensions : 44 mm Dia x 20.2 mm H
  • Vibration : Max 4g over 25 to 100 Hz
  • Approvals : ATEX, ATEX: EN 50014, CE, CSA, EMC: EN 61326, EN 50020, EN 50281, FM, IECEx, KEMA Approvals for Hazardous Areas, NAMUR NE43, RoHS, UL
  • Mounting : DIN Form B Head Mount
  • Accuracy : Pt100: ±0.1 deg C, Ni100: ±0.1 deg C|T/C: varies by type (see detailed specs below)
Application Note
Name
Description
File Size
Date
Size
Monitor and Improve Heat Exchanger Performance Through Differential Temperature Measurement.
application/pdf 655.79 KB
8/9/2021
655.79 KB
Improve power plant reliability with accurate temperature monitoring.
application/pdf 194.52 KB
8/9/2021
194.52 KB
Use effective grounding techniques to ensure uptime
application/pdf 718.2 KB
8/9/2021
718.2 KB
Brochure
Name
Description
File Size
Date
Size
1899308 HPS BRO Temperature Transmitter
application/pdf 2.01 MB
1/24/2024
2.01 MB
Data Sheet
Name
Description
File Size
Date
Size
STT3000 Smart Temperature Transmitter Technical Specification 34-TT-03-07 updated with the latest MSG.
application/pdf 1 MB
2/27/2026
1 MB
Name
Description
File Size
Date
Size
Monitor and Improve Heat Exchanger Performance Through Differential Temperature Measurement.
application/pdf 655.79 KB
8/9/2021
655.79 KB
STT3000 Smart Temperature Transmitter Technical Specification 34-TT-03-07 updated with the latest MSG.
application/pdf 1 MB
2/27/2026
1 MB
Improve power plant reliability with accurate temperature monitoring.
application/pdf 194.52 KB
8/9/2021
194.52 KB
1899308 HPS BRO Temperature Transmitter
application/pdf 2.01 MB
1/24/2024
2.01 MB
Use effective grounding techniques to ensure uptime
application/pdf 718.2 KB
8/9/2021
718.2 KB
Name
Description
File Size
Date
Size
Monitor and Improve Heat Exchanger Performance Through Differential Temperature Measurement.
655.79 KB
8/9/2021
Improve power plant reliability with accurate temperature monitoring.
194.52 KB
8/9/2021
Use effective grounding techniques to ensure uptime
718.2 KB
8/9/2021
1899308 HPS BRO Temperature Transmitter
2.01 MB
1/24/2024
STT3000 Smart Temperature Transmitter Technical Specification 34-TT-03-07 updated with the latest MSG.
1 MB
2/27/2026
Name
Description
File Size
Date
Size
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