Batteries

Battery type

CBR™ 2 motion sensor is designed to operate with 4 AA alkaline batteries. CBR™ 2 motion sensor can run without batteries only if attached to a CBL 2™.

Battery installation

Exit the Vernier EasyData® App before changing batteries.

1. Holding the CBR™ 2 motion sensor upside down, use your thumb to slide the battery compartment cover toward the back of the CBR™ 2 motion sensor.

2. Position batteries according to the diagram on the inside of the CBR™ 2 motion sensor battery compartment.
3. Two batteries fit positive side up in the side marked +. Two batteries fit negative side up in the side marked
4. Slide the cover back on. CBR™ 2 motion sensor is ready to begin sampling.

CBR™ 2 motion sensor low battery warnings

The CBR™ 2 motion sensor has two mechanisms to alert you that the batteries are low:

The Vernier EasyData® App displays a warning message on calculator screen while trying to collect data.
The red light flashes intermittently while the CBR™ 2 motion sensor is collecting sample data.

Battery precautions

DO NOT use rechargeable batteries.
Replace all four batteries at the same time. Do not mix brands of batteries. Do not mix types within a battery brand.
Install batteries according to the diagrams inside the battery compartment.
Properly dispose of used batteries immediately. Do not leave them within the reach of children.
Do not heat, burn, or puncture batteries. Batteries contain hazardous chemicals and may explode or leak.
Do not mix rechargeable and non-rechargeable batteries.
Do not place non-rechargeable batteries in a battery recharger.