837T-D3N12B25PP-D4

Solid-State Temperature Sensor

Name: Solid-State Temperature Sensor
Brand: Rockwell Automation
SKU: 837T-D3N12B25PP-D4

Serial #:

Lifecycle status: Active

Description

Solid-State Temperature Sensor, Standard, Display/ Push-button, -4 ... +176 F / -20 ... +80 C, 1/2 NPT - Male, 250 mm, 2 PNP - IO-Link, 4-Pin DC Micro(M12) Integral QD

Lifecycle status: Active

Description

Solid-State Temperature Sensor, Standard, Display/ Push-button, -4 ... +176 F / -20 ... +80 C, 1/2 NPT - Male, 250 mm, 2 PNP - IO-Link, 4-Pin DC Micro(M12) Integral QD

Unique Product Identifier	837T-D3N12B25PP-D4
UPC	191326325110
Estimated Lead Time	5 days
Standard Warranty Duration	1 year See details
Country of Origin	Germany

Adjustment accuracy switching points	≤ ±0.5% of span
Analog signal	≤ ±0.5% of span ± temperature sensor error
Display	≤ ±0.8% of span ± temperature sensor error ±1 digit
Load	Analog signal 4...20 mA: ≤0.5 kΩ
Scaling analog signal	0...25% of span, Full scale: 75...100% of span
Switching output	≤ ±0.8% of span ± temperature sensor error
Temperature error	(0.15 + 0.002 (t - 32)/1.8) for fahrenheit

Ambient temperature	-20 °C
Reverse polarity protection	V+ vs. V-
Storage temperature	-20 °C
Temperature measuring range	-20 °C

Atmospheric pressure	950 mbar
Humidity	45...75 % r. h.
Nominal position	Process connection lower mount (LM)
Operating pressure	150 bar (2175 psi) maximum, with high temperature model (compression fitting is included) 50 bar (725 psi) at 120 °C (248 °F)
Power supply	24V DC
Temperature range	15 to 25 °C (59-77 °F)

Insulation voltage	500V DC
Overvoltage protection	40V DC
Short circuit protection	4...20 mA, out 1/out 2 vs. V-

Application	Measurement and monitoring of set temperatures
Current consumption	Switching outputs with: analog signal 4...20mA @ 70mA, without analog signal: 45 mA
Display type	Display/push button
Element measurement	Pt1000, 2-wire, DIN EN 60751/Class A
Process connection	1/4 NPT male

Output Signals

Output mode	Selectable - normally open, normally closed, window, hysteresis
Output threshold	OUT 1 and OUT 2 are individually adjustable
Output type	IO-link™ - Version 1.1 (Pin 4). With the IO-link option, switching output OUT 1 is always PNP
Output voltage	Power supply -1 V
Rated output current	OUT 1 maximum 100 mA, OUT 2 maximum 250 mA
Response time	T05 <5 s (per DIN EN 60751), T09 <10 s (per DIN EN 60751)
Service life	100000000 switching cycles
Zero offset adjustment	Maximum 3% of span

Mechanical

Diameter measuring insert	6 mm
Ingress rating	IP65 and IP67. The stated ingress protection (per IEC 60529) only applies when plugged in with mating connectors that have the appropriate ingress protection
Length measuring insert	250 mm
Shock	50 G (1.76 oz) (IEC 60068-2-27, mechanical)
Vibration	Probe Length ≤150 mm (5.91 in): 6 G (0.21 oz) (IEC 60068-2-6, under resonance), Probe Length ≥250 mm (9.84 in): 2 G (0.07 oz) (IEC 60068-2-6, under resonance)

Construction

Connection type	4 pin DC micro (M12)

Construction

Display head material	Personal computer + ABS-blend
Display window material	Polycarbonate
Housing material	Stainless Steel 304
Keyboard material	TPE-E
Temperature sensor material	Stainless Steel 316Ti

Drawings
3D STEP Model (STP)	Download (ZIP)
Product Drawing	Drawing (DWG)

Drawings
3D STEP Model (STP) Download (ZIP)
Product Drawing Drawing (DWG)

General	Publication
Product Specifications	--
Product Cutsheet	--

Installation Instructions	Publication
837t-in002_-en-p	837T-IN002

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This product was certified with the above certifications as of 2026-05-20. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

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Overview

Unique Product Identifier	837T-D3N12B25PP-D4
UPC	191326325110
Estimated Lead Time	5 days
Standard Warranty Duration	1 year See details
Country of Origin	Germany

Technical Specifications

Adjustment accuracy switching points	≤ ±0.5% of span
Analog signal	≤ ±0.5% of span ± temperature sensor error
Display	≤ ±0.8% of span ± temperature sensor error ±1 digit
Load	Analog signal 4...20 mA: ≤0.5 kΩ
Scaling analog signal	0...25% of span, Full scale: 75...100% of span
Switching output	≤ ±0.8% of span ± temperature sensor error
Temperature error	(0.15 + 0.002 (t - 32)/1.8) for fahrenheit

Compliance & Environment

Ambient temperature	-20 °C
Reverse polarity protection	V+ vs. V-
Storage temperature	-20 °C
Temperature measuring range	-20 °C

Atmospheric pressure	950 mbar
Humidity	45...75 % r. h.
Nominal position	Process connection lower mount (LM)
Operating pressure	150 bar (2175 psi) maximum, with high temperature model (compression fitting is included) 50 bar (725 psi) at 120 °C (248 °F)
Power supply	24V DC
Temperature range	15 to 25 °C (59-77 °F)

Insulation voltage	500V DC
Overvoltage protection	40V DC
Short circuit protection	4...20 mA, out 1/out 2 vs. V-

Electrical & Connectivity

Application	Measurement and monitoring of set temperatures
Current consumption	Switching outputs with: analog signal 4...20mA @ 70mA, without analog signal: 45 mA
Display type	Display/push button
Element measurement	Pt1000, 2-wire, DIN EN 60751/Class A
Process connection	1/4 NPT male

Output Signals

Output mode	Selectable - normally open, normally closed, window, hysteresis
Output threshold	OUT 1 and OUT 2 are individually adjustable
Output type	IO-link™ - Version 1.1 (Pin 4). With the IO-link option, switching output OUT 1 is always PNP
Output voltage	Power supply -1 V
Rated output current	OUT 1 maximum 100 mA, OUT 2 maximum 250 mA
Response time	T05 <5 s (per DIN EN 60751), T09 <10 s (per DIN EN 60751)
Service life	100000000 switching cycles
Zero offset adjustment	Maximum 3% of span

Physical Characteristics

Mechanical

Diameter measuring insert	6 mm
Ingress rating	IP65 and IP67. The stated ingress protection (per IEC 60529) only applies when plugged in with mating connectors that have the appropriate ingress protection
Length measuring insert	250 mm
Shock	50 G (1.76 oz) (IEC 60068-2-27, mechanical)
Vibration	Probe Length ≤150 mm (5.91 in): 6 G (0.21 oz) (IEC 60068-2-6, under resonance), Probe Length ≥250 mm (9.84 in): 2 G (0.07 oz) (IEC 60068-2-6, under resonance)

Construction

Connection type	4 pin DC micro (M12)

Construction

Display head material	Personal computer + ABS-blend
Display window material	Polycarbonate
Housing material	Stainless Steel 304
Keyboard material	TPE-E
Temperature sensor material	Stainless Steel 316Ti

Drawings

Drawings
3D STEP Model (STP)	Download (ZIP)
Product Drawing	Drawing (DWG)

Drawings
3D STEP Model (STP) Download (ZIP)
Product Drawing Drawing (DWG)

Documents

Product Specifications General
--

Product Cutsheet General
--

837t-in002_-en-p Installation Instructions
837T-IN002

General	Publication
Product Specifications	--
Product Cutsheet	--
Installation Instructions	Publication
837t-in002_-en-p	837T-IN002

Looking for more documentation?

Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.

Search the Literature Library

Certifications

${name=Australian RCM, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/837t-ct003_-en-e.pdf}$ ${name=UKCA DOC, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/837t-ct004_-en-e.pdf}$

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Explore certifications for this product and more in our comprehensive Literature Library.

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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

Accessories

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Technotes

Technotes

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