(2)
Set the multimeter to measure resistance.
(3)
Place the positive probe on pin 2 and the negative probe on pin 3.
(4)
The resistance should be less than 10W.
Quick Reference Chart - Battery Tests
Test
Multimeter
Setting
Positive
Probe
Negative
Probe
Switch
Setting
Value
Open Circuit Voltage Switch Circuit
Voltage
Pin 1
Pin 2
Off/On
0/ >4.8
Volts
Open Circuit Voltage Recharge Circuit
Voltage
Pin 4
Pin 2
On or Off
> 4.8 Volts
Thermistory Resistance Charger
Control Circuit
Resistance
Pin 3
Pin 2
On or off
7KΩ- 18KΩ
OptimAir® MM PAPR
25
US
7 Test Method for the OptimAir MM PAPR