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Overview
The 623M series bolt-on RTD probe sensor is a small multi-dimensional sensor for use in applications requiring retro fitting or where limited space is a factor.

These adaptable RTD probe sensors are typically mounted to an available hole that is threaded close to the desired temperature location and features simple installation.  All configurations can be customized for your application.

Benefits

  • Bolt-On Styles: Threaded Bolt, Tube, Flat Rectangular
  • Elements, Single: Platinum, Nickel
  • Leadwire/Cable Options
  • Simple Installation 
  • Retro Fitting 
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Applications

  • Process 
  • Aerospace 
  • Defense 
  • Electric Motors 
  • Generators
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FAQ

Frequently Asked Questions

Q: What is an RTD?
A: An RTD (Resistance Temperature Detector) is a sensor whose resistance changes as its temperature changes.  The resistance increases as the temperature of the sensor increases.  The resistance versus temperature relationship is well known and is repeatable over time. An RTD is a passive device.  It does not produce an output on its own.  External electronic devices are used to measure the resistance of the sensor by passing a small electrical current through the sensor to generate a voltage.
Read More: Understanding RTDs

Q: What is the standard resistance of a platinum RTD?
A: Download the PDF: RTD Resistance Temperature Table Application Note

 

Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Connection Head Type  None

  • Resistance Tolerance @ Reference Temperature  1000 Ohm ±.12% at 0°C | 100 Ohm ±.12% at 0°C | 100 Ohm ±.5% at 0°C

  • Housing Style  Flat Rectangular Mount | Threaded Bolt | Tube Style w/ Flat Mount

  • RTD Sensor Type  Bolt-On Probe

  • Element Type  Thin Film

  • Element Material  Platinum

  • Lead Wire Style  PTFE Conductors With TFE Jacket | PTFE Insulated | Standard PTFE With Braided Shield

Configuration Features

  • Lead Wire Configuration  2 Wire Single (Red / White) | 3 Wire Single (Red / White / White)

Dimensions

  • Lead Wire Length (mm) 914.4 | 1016

  • Lead Wire Length (in) 36 | 40

  • Wire Size (AWG) 26

Usage Conditions

  • Temperature Coefficient (Ω/°C) .00385

  • Operating Temperature (Max)  250 °C [ 482 °F ]

Other

  • Sheath Style  Standard Stainless Steel

Related Materials

Datasheets & Catalog Pages