GBS Elektronik MCA 166 - Manual (Page 49)

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• Maximum current: 30 mA for each of the voltages
• Maximum total power: at least 2 W
4.1.5 High Voltage:
• Single positive or negative modular HV supply reaching from 50 to 3000 V
• Indication of high voltage sign and value by software
• Calibration within 1% at maximum of bias voltage
• Maximum current 0.5 mA or 0.25 W (e.g. 1000 V and 0.25 mA)
4.1.6 Battery:
• Rechargeable Li battery with no memory effect
• Deep discharge protected
• Battery capacity 2.5 Ah at 20 °C
Measured values of the battery life time
•
If no detector connected: 16 hours
• Expected battery life time with detection systems connected:
Standard IAEA NaI detector (ORTEC/SCIONIX): 14 hours
Bias: 500 V, 100 µA
Preamplifier: 100 mW
Miniature CdTe detection probe (SDP310, RITEC, Latvia): 12 hours
Bias:
400 V, 100 nA
Preamplifier: +12 V/20 mA, -12 V/9.5 mA
Standard planar HPGe detector (e.g. Canberra, Ortec): 6 hours
Bias:
2000V, 1 nA
Preamplifier: +12 V/21 mA, -12 V/7 mA;
+24 V/18 mA, -24 V/8 mA
4.1.7 Computer Interface
RS-232C port (Baud rate: 38400, proprietary software protocol)
4.1.8 Mechanical specification
Size: 155 mm x 95 mm x 45 mm (footprint of palmtop HP 200LX)
Weight: Box (incl. battery) ca. 700 g
Line voltage sensing Charger ca. 320 g
4.1.9 Environmental ratings
•
Range of storage temperature:
•
-20 ... +60 degrees C
•
Range of operational temperatures:
•
0 - 50 degrees C