GBS Elektronik MCA166-USB - Manual (Page 18)

MCA166-USB
6.1.3 Power supply
●
Power supply adequate for commonly used NaI, HPGe, CdTe and proportional
counters
●
Current limited mode with indication of overload condition through software; short
circuit protected and automated recovery after overload or shortening
6.1.4 Preamplifier Voltages
●
± 12V; maximum current 60mA for each of the voltages
●
± 24V; maximum current 60mA for each of the voltages
●
Maximum total power at least 2W
6.1.5 High Voltage
●
Single positive or negative modular HV supply reaching from 50V to 3000V
●
Indication of high voltage sign and value by software
●
Calibration within 1% at maximum of bias voltage
●
Maximum current 0.5mA or 0.25W (e.g. 1000V and 0.25mA)
6.1.6 Battery
●
Rechargeable Li-ion battery with no memory effect
●
Deep discharge protected
●
Battery capacity 32Wh at 20°C
●
Charger input: 9V ... 14V / 0.8A
●
Measured values of the battery life time
● If no detector connected: 30 hours
● Expected battery life time with detection systems connected:

Standard IAEA NaI detector (ORTEC/SCIONIX): 27 hours

Bias: 500V, 100µA

Preamplifier: 100mW

Miniature CdTe detection probe (SDP310, RITEC, Latvia): 25 hours

Bias: 400V, 100nA

Preamplifier: +12V/20mA, -12V/9.5mA (@8.4V)

Standard planar HPGe detector (e.g. Canberra, Ortec): 14 hours

Bias: 2000V, 1nA

Preamplifier: ±12V: 35/-25mA; ±24V: 55/-27mA (@8.4V)
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