4B Whirligig® Sensor Mount – 4 Pulse Target
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Sensor Sold Separately. The WG1-4B-4 is the Whirligig sensor mount / target / guard assembly. Electronic sensors such as the 4B M800 Elite, 4B M300 Slipswitch, proximity sensors, and speed sensors are not included.
The 4B Whirligig® Sensor Mount WG1-4B-4 is a fully guarded rotating target designed for easy installation of motion and speed sensors on rotating shafts.
It provides a universal shaft-mounted solution for standard cylindrical and DIN-style sensors and is designed for applications such as bucket elevators, belt conveyors, and other rotating grain handling equipment.
The WG1-4B-4 is the standard 4-pulse target model.
Key Features
- Standard 4-pulse target
- Universal shaft sensor mount
- Designed for standard cylindrical and DIN-style sensors
- Fully enclosed rotating target
- Protective plastic cover guard
- Helps improve personnel safety around rotating equipment
- Sensor assembly moves with the shaft, reducing the effect of machinery vibration on sensor performance
- Maximum operating speed: 1,500 RPM
- Compatible with 4B speed and proximity sensors
Mounting
The Whirligig assembly can be bolted directly to the machine shaft through a 1/2" UNC tapped hole or connected magnetically using the 4B Mag-Con™ adapter.
Specifications
| Model / Part Number | WG1-4B-4 |
| Product | Whirligig® Sensor Mount |
| Target | 4 Pulse |
| Model Type | Standard Model |
| Maximum Speed | 1,500 RPM |
| Direct Shaft Mount | 1/2" UNC tapped hole |
| Alternative Mounting | 4B Mag-Con™ magnetic adapter |
| Sensor Compatibility | Standard cylindrical or DIN-style sensors; compatible with 4B speed and proximity sensors |
| Sensor Included | No — sold separately |
Applications
Suitable for speed and motion monitoring on equipment including bucket elevators, belt conveyors, conveyors, rotating shafts, and grain handling equipment requiring speed or motion monitoring.
Manufacturer application examples show the Whirligig used with a 4B M800 Elite Speed Switch on a bucket elevator and a 4B M300 Slipswitch on a belt conveyor.
Sensor Sold Separately
Sensor Sold Separately. This product includes the Whirligig sensor mount / target / guard assembly only. Sensors and other electronic monitoring devices are not included.