Milli-Temp Bearing Sensor


The Milli-Temp series can be used on any application where bearing temperature monitoring is needed.  The Milli-Temp is a loop powered analog sensor with a 4-20 mA linear output that is scaled across a temperature range for continuous temperature monitoring.  


The sensor has been designed to allow the depth of the probe to be adjustable depending on the application. This adjustability allows the tip of the probe to be placed in the optimal position for monitoring bearing temperature.


The sensor screws directly into the bearing housing using the threads of the existing grease zerk. The body of the Milli-Temp has an integrated zerk, allowing lubrication of the bearing without the need to remove the sensor.  For surface mount applications, a lug style adapter bolts directly onto a bearing housing, motor, gearbox, or machine casing. The mounting hole is 3/8” from the factory, but can be drilled up to 1/2” if needed.


The sensors are supplied with a nine foot cable. The connections are not polarity sensitive therefore special connection requirements are eliminated, and the cable can be extended in the field.



  Milli-Temp Bearing Temperature Sensor  

• Analog with 4-20 mA Output


• Screws Into Existing Grease Zerk Location


• Integrated Zerk For Bearing Lubrication


• Adjustable Depth Temperature Probe


• 304 Stainless Steel Body (1/2" NPT Conduit Entry)

  Product Questions? (309) 698-5611Phone or Email  Email    
  • Specifications
  • Downloads
  • Accessories
  • Monitoring Systems
  • FAQ's
  • Images
  Milli-Temp Technical Specifications:   Literature:  
  • Supply Voltage - 24 VDC Nominal (15 to 28 VDC)   Product Datasheet Download PDF  
  • Overvoltage Rating - CAT I      
  • Reverse Polarity Protection - Yes   Technical:  
  • Current at -40 °F (-40 °C) - 4 mA   Product Manual Download PDF  
  • Current at 248 °F (120 °C) - 20 mA      
  • Temperature Accuracy - Typical ±1 °F (0.6 °C)   Product Dimensions:  
  • Default Temp. Resolution Over Current Loop - 0.09 °F (0.05 °C)   Download AutoCAD .dwg (AutoCAD)      Download PDF .pdf  
  • Operating Temperature (Probe) - Min. -40 °F (-40 °C)  Max. 248 °F (120 °C)      
  • Output Resolution (Typical) - 5 -10 µA      
  • Current Out of Range - 20.5 mA of < 4 mA      
  • Body Housing - 304 Stainless Steel      
  • Fixing Thread - 1/8" NPT      
  • Cable - 9 ft. (3 m)  2 Conductor      
  • CSA Class II Div 1 Groups E, F & G -T4 (U.S. & Canada)      
  • IP66      
  CSA Certified   CE / European Conformity      
  Part Numbers and Accessories:      
  • ADBMIL1V4C/D2 ~ 2" Probe      
  • ADBMIL1V4C/D3 ~ 3" Probe      
  • ADBMIL1V4C/D4 ~ 4" Probe      
  • ADBMIL1V4C/D6 ~ 6" Probe      
  • ADBMIL1V4C/D8 ~ 8" Probe      
  • KIT-LUG-MIL ~ Lug Style Adapter for Surface Temperature      
  • ADBT4 ~ ADB Sensor TesterMonitoring      
    *Longer probe lengths available on request      
  Literature:   Product Dimensions:  
  Product Datasheet Download PDF   Download AutoCAD .dwg (AutoCAD)      Download PDF .pdf  
  Product Manual Download PDF      
ADB Bearing Sensor Tester

ADB Bearing Sensor Tester

The ADB Sensor Tester has been designed to test 4B adjustable depth bearing (ADB) temperature sensors in the field.  During planned maintenance or periodic testing, this diagnostic tool to verify the alarm and shutdown sequences of the control unit are functioning as expected.

More Info

Watchdog Super Elite Hazard Monitor

Watchdog™ Super Elite Hazard Monitor

The Watchdog™ Super Elite processes signals from sensors for belt misalignment, belt speed & slip, continuous bearing temperature, pulley misalignment and plug conditions for bucket elevators or belt conveyors.

More Info

T500 Elite Hotbus Hazard Monitor

T500 Elite Hotbus™ Hazard Monitor

The T500 Elite Hotbus is a serial communications system designed to monitor up to 256 sensors on multiple bucket elevators and conveyors for belt speed, belt alignment, bearing temperature, level and plugged conditions.

More Info

  How can I test the Milli-Temp bearing temperature sensor to make sure it is working correctly?  
  The ADB Sensor Tester (sold separately) is available to test all Milli-Temp sensors in the field.  See the  
  "Accessories" tab for more information.  
Milli-Temp Bearing Sensor
Bearing Sensor Installed
Bearing Sensor Installation Diagram
Pillow Block Bearing Cut Away Diagram
  Enlarge Magnify Enlarge Magnify Enlarge Magnify  
Hot Bearing Failure
  Enlarge Magnify