Bearing Temperature Sensors & Monitoring Systems
Overheated bearings are one of the main risk factors for dust explosions in bucket elevators and need to be closely monitored.
4B offers a range of Atex, CSA and IECEx certified bearing temperature sensors and compatible monitoring systems.
Bearing Temperature Sensors

Certifications:
ADB81
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ADB2
ADB Series Bearing Sensors 
The ADB series bearing temperature sensors have been designed to allow the depth of the sensor to be adjustable depending on the application
- Screw in positive mount installation
- Grease zerk for bearing lubrication
- Adjustable depth probes (50, 100, 200 & 300mm)
- ADB81 - cable entry - stainless steel (SS) braided cable
- ADB2 - conduit entry - 1/2'' NPT conduit entry (steel body)
- NTC or PT100 thermistor - continuous temperature monitoring
- ADB Bearing Temperature Sensors Datasheet

- Manual - ADB81 Bearing Sensors

- Manual - ADB2 Bearing Sensors

- ATEX Certificate

- IECEx Certificate

- Request more information

Certifications:
ADB Bearing Sensor Tester 
- Diagnostic Tool for ADB Bearing Sensors
- Hand Held Portable Unit
- Exact Alarm Point Testing
- Exact Shutdown Point Testing
- Easy To Read Display
- ADB Bearing Sensor Tester Datasheet

- ADB Sensor Tester - GEAPS presentation

- Request more information

Certifications:
WDB1 & 8
WDB2
WDB Series "Screw in" Bearing Sensors
- Screw in positive mount installation
- Grease zerk for bearing lubrication
- WDB1 - 1/8” NPT cable entry (brass body)
- WDB2 - 1/2” NPT conduit entry (steel body)
- WDB8 - 1/4” BSP cable entry (brass body)
- NTC version - continuous temperature
- PT100 version - platinum RTD
- PTC version - trip points from 50°C to 90°C
- For use with T400, T400 Elite, T500 Elite or Watchdog Elite control modules
- WDB1 Bearing Sensors Datasheet

- WDB2 Bearing Sensors Datasheet

- WDB8 Bearing Sensors Datasheet

- ATEX Certificate

- IECEx Certificate

- Manual -WDB1

- Manual - WDB2

- Manual - WDB8

- Request more information

Certifications:

WDB7 Lug Style Bearing Sensors 
The WDB7 Lug Style Sensor bolts directly onto a bearing housing, motor, gearbox, or machine casing for continuous temperature monitoring.
- Surface mount type bearing sensors
- Suitable for mounting onto flat surfaces and any type of machinery, gearbox, or casing with a M8 mounting bolt or screw
- 1/2'' NPT conduit entry
- NTC version - continuous temperature
- PT100 version - platinum RTD
- PTC version - trip points from 50°C to 90°C
- Compatible with T400 Elite, T500 Elite or Watchdog Elite control modules
- WDB7 Lug Bearing Sensors Datasheet

- ATEX Certificate

- IECEx Certificate

- Manual - WDB7

- Request more information

Certifications:

MDB Series Bearing Sensors 
The MDB bearing temperature sensor is fitted with a M12 connector for use with a separately supplied cable and socket assembly which can be attached connected directly to a PLC or to a hazard monitoring system.
- Screw in installation
- Grease zerk for bearing lubrication
- Wiring connector
- NTC version - continuous temperature
- PT100 Version
- PTC or contact version - trip points from 50°C to 90°C
- Compatible with T400 Elite, T500 Elite or Watchdog Elite control modules
- MDB Series Bearing Sensors Datasheet

- ATEX Certificate

- IECEx Certificate

- Manual - MDB Bearing Sensors

- Request more information
Bearing Temperature Monitoring Systems
The systems below are all compatible with our bearing temperature sensors:

Certifications:


Part numbers:
T5004V4AI
T5004V46AI
T500 Elite
- Serial Network for Continuous Remote Sensor Monitoring
- Preventative maintenance tool fully compatible with existing systems
- Monitors bearing temperature and belt alignment
- Accepts input signals from a total of 256 sensors
- User adjustable trip-points for alarm & shut-down
- "BUS VIEW" Easy-to-use graphical monitoring software available
- Utilises the "HotBus" communications system
- T500 Elite Datasheet

- HazardMon.com - Cloud Based Hazard Monitoring

- Coors Casestudy - An Application in the Brewery Industry

- Go to Electronics Manuals
- Request more information

Certifications:

Part numbers:
T4004V4AI
T4004V46AI
T400 Elite
- Fixed Trip Point Bearing Temperature Monitoring System
- Microprocessor controlled unit - monitors 8 zones with up to 6 bearings in each zone
- Status LED's provide quick location of the hot bearing condition
- Easy installation – no set up!
- Extensive range of PTC sensors available from 50∫C to 120∫
- Sensors replace existing grease points without loss of maintenance function
- Alarm mute - with automatic time delayed reactivation
- T400 Elite Datasheet

- ATEX Certificate

- Go to Electronics Manuals
- Request more information

Certifications:

Part numbers:
WDC3NV4AI
WDC3NV46AI
Watchdog
- Multi-Function Hazard Monitor
- Belt speed/alignment, bearing temperature, pulley alignment, blockage detection
- Full Microprocessor control
- Fully programmable via keypad to optimise elevator operation
- Simple, reliable, consistent
- Watchdog Datasheet

- CASE STUDY: Watchdog at the Port of Tilbury Grain Terminal - Download as pdf

- Go to Electronics Manuals
- Request more information


Download complete electronics catalogue (12pp) 