WDB Series Bearing Sensors
4B Braime WDB815V3AI WDB Series Bearing Sensors
The WDB series bearing sensors are designed to screw directly into a bearing housing. Each sensor is fitted with a grease zerk to allow lubrication of the bearing without the need for removal of the sensor.
The WDB8 series have a 1/4” BSPT thread. The WDB2 series have a 1/8” NPT thread. Three versions are available; an NTC thermistor or Pt100 RTD type for continuous temperature monitoring, and a PTC thermistor model with the following trip points (specify when ordering): 60°C, 70°C, 80°C, 90°C for step (Cold/Hot) temperature monitoring.
The sensor is supplied with a three meter attached cable and can be connected to a hazard monitoring system, such as 4B’s T500 Hotbus Elite, Watchdog Super Elite, or T400 Elite or to a PLC. The connections are not polarity sensitive therefore special connection requirements are eliminated, and the cable can be extended in the field.
| Brand |
|---|
| | Part Number | Description | Thermistor Type | Thread | ATEX Zone | IECEx |
| # | ||||||
| WDB810V3AI | Continuous Temperature Monitoring | NTC | 1/4” BSPT | 20 | yes | |
| WDB819V3AI | Continuous Temperature Monitoring | PT100 | 1/4” BSPT | 20 | yes | |
| WDB812V3AI | 60°C Trip Point | PTC | 1/4” BSPT | 20 | yes | |
| WDB813V3AI | 70°C Trip Point | PTC | 1/4” BSPT | 20 | yes | |
| WDB814V3AI | 80°C Trip Point | PTC | 1/4” BSPT | 20 | yes | |
| WDB815V3AI | 90°C Trip Point | PTC | 1/4” BSPT | 20 | yes |



















