Marquette Hellige GmbH
MicroSmart V 2.xx
Page 63
Servicing Instructions 227 470 35 B - 97.12
Copy function
After recording an ECG, the unit allows in the "Auto" mode to record copies from the memory
and/or to transfer these to a connected PC.
Test
Automatic function control during power-up of the unit, with tests of the signal path from the
patient input.
Power supply
From line voltage or via built-in rechargeable battery, automatic switchover function, battery
charged during mains system operation via built-in charger.
Mains operation:
*
Structural unit design in Protection Class I in compliance with IEC 601-1
*
Rated voltage range
100…240V
*
Operating voltage range
90V…264V; 49…65Hz
*
Current input
0.12...0.3A
*
typical power input:
charging the battery
13VA
Unit on + battery charging
17VA
Rec battery charging
22VA
Operation via built-in battery
*
Type: lead battery
*
Rated battery voltage
12V
*
Rated battery capacity
1.2Ah
*
Operation with fully charged battery sufficient for minimum 50 ”ECGs", if unit is
activated only for recording.
*
Charge duration for completely discharged battery
approx. 6h
*
Minimum charging time for 1 "Auto" ECG 20 min
*
Battery life approx. 3 years, replacement by Service Unit only
*
Lithium battery for built-in clock, approx. life 5 years, replacement by Service Unit only.
*
Automatic unit shutdown after approx. 5 minutes, if no electrodes are connected and no
operations are carried out (only if HR control is switched off) or in case of supply
voltage too low (during battery operation: if battery voltage too low).
