ECOTEST MKS-UM Operating Manual page 26

1.3.7 Earpiece
Earpiece allows searching for radiation anomalies using the dosimeter in the
areas with high acoustic noise. When you connect the earpiece to the control unit,
the buzzer of the latter stops generating all sound signals and similar sound signals
begin to be generated by the earpiece.
1.3.8 Storage battery
Li-Ion Battery of 26650 size with the integrated protection board against
overcharging, prevention of discharge and short-circuit is used to power the
dosimeter. Storage battery rated voltage is 3.7 V, capacity – 4 Ah.
Important! Only similar batteries with a capacity of maximum 4500 mAh
can be used.
Figure 1.7 – Earpiece
Figure 1.8 – Storage battery
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