Battery Knowledge
Please use the battery specified in this PHR/PHBR-300 Automatic Magnetic hardness tester.
Do not throw batteries into fire, they may explode.
Do not disassemble the battery. The electrolyte released from the battery is corrosive and may damage eyes or skin.
Overdischarge may damage the battery. If the battery is not used for a long time, check the remaining power periodically.
Do not expose the battery to conductive objects.
Battery Specifications
The hardness tester adopts two 18650 lithium batteries for power supply, and the recommended capacity is not less than 3400mAh.
Due to transportation safety restrictions, batteries may not be included in the hardness tester shipping list. Users are requested to purchase it locally after receiving it.
Power consumption of hardness tester
Use a group of lithium battery capacity is greater than 3400mAh, can meet the Brinell hardness test more than 300 times, Rockwell hardness test more than 400 times
Replacing a Battery
The battery is installed in the battery compartment on the back of the hardness tester. When replacing the battery, remove the battery compartment cover.
Note: When installing the battery, check the direction of the positive and negative poles. Otherwise, battery short circuit may occur.
Charging Batteries
There is a Type-c port on the side of the hardness tester to charge the battery inside the instrument. Select the charging line of the corresponding interface and the adapter of 5V1A to connect. The full time does not exceed 4 hours.You can also take out the battery and charge it with a charger of the corresponding specifications.