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Bertan 380P mwpc dc high output power sup*nim-bin


BERTAN 380P MWPC DC Output High Voltage Power Supply
Multiwire Proportional Chamber DC Output High Voltage Power Supply
Front Independent Dual Outputs to 10kV
Front Panel & Remote Monitoring
Fast & Slow Overload Detectors
(1) Bertan 380P MWPC Power Supply
The Bertan MWPC Series are precision high voltage power supplies designed for use with multiwire proportional
chambers. They utilize Bertan's proprietary linear circuitry for the generation of highly stable, regulated, low noise
output voltages. Each double width NIM MWPC power supply contains two identically rated high voltage power
The two high voltage outputs are fixed polarity, both positive, both negative or one of each. Each output is
completely independent of the other, allowing greater local and remote programming flexibility.
Fast and slow automatic overcurrent detectors insure protection of sensitive MWPC loads. Trip mode control and
monitoring is provided for each output. Precision output current sensing eliminates the need for zero offset
adjustment and provides front panel current monitoring for each output, with sensitivities of 100nA, 1 A, 10 A,
Front panel, precision, 10-turn potentiometers and counter dials provide an accurate setting of each of the high
voltage outputs. Independent remote programming of the outputs can also be selected.
POLARITY FOR BOTH OUTPUTS = POSITIVE
12Vdc at 900mA maximum from NIM bin power supply
0.001% for 1% change in input bin dc voltage
0.002% for full output current change
50 mV peak to peak maximum at maximum power output
Stability (after 1/2 hour warm-up):
Temperature Coefficient (0 to 50 C):
Independent high voltage power supply ON-OFF power switches and power on indicators for control of each
Precision High Voltage Control:
Two independent multi-turn potentiometers and precision indicator dials control the output high voltages for each
power supply when operating in the local mode
Remote High Voltage Programming:
Rear REMOTE-LOCAL switches (one for each power supply) select front panel control or remote programming of
the high voltage outputs. A programming voltage of +1V per 1kV output is applied at the rear panel REMOTE
INPUT connector. Separate connector pins allow independent programming of each output. Accuracy is (0.25%
of setting + 0.25% of maximum)
Two miniature coaxial connectors are provided on the front panel for monitoring each high voltage output. The
monitor output is 1V per kV. Monitor accuracy is (0.1% of reading + 0.02% of maximum). The output
Two miniature coaxial connectors are provided on the front panel for monitoring each power supply output current.
The current monitor output is 1V per 100 A. Monitor accuracy is (1.5% of reading + 1.5% of maximum). The
output impedance is 10 kilohms
Two 5 position front panel rotary switches select the desired current meter range for each power supply (1mA,
100 A, 10 A, 1 A and 0.1 A current full scale can be selected)
Application of 0 volts to the "Gate Input" allows decrease of preprogrammed output voltage by 10%
Two front panel meters read the true output current with a full scale sensitivity of from 100nA to 1mA. The meter
range switches (see above) select the full scale sensitivity
Current trip and automatic high voltage shutdown will occur when the output current of a supply exceeds 80% of
the range selected by the meter range switch
Trip Hold/Auto Reset Switches:
Independent front panel toggle switches select the TRIP HOLD or AUTO RESET mode for each power supply. In
TRIP HOLD mode, the high voltage will stay off after an overload. In the AUTO RESET mode the high voltage will
cycle off and then on again until the overload is removed
Front panel, parallel, miniature coaxial connectors provide trip monitoring for each power supply. When either or
both supplies trip, the monitor is grounded. The two connectors permit daisy-chaining multiple units to a single
Short circuit and arc protected, overvoltage limited, fast and slow overcurrent sensing
2.7" W x 8.7" H x 9.7" D (69 x 221 x 246mm)
10kV panel receptacles, Kings type 1064-1. The mating 10kV connectors, Kings type
1065-1 (BERTAN part number PBA), are not supplied and must be ordered separately (two per unit)
Standard NIM bin power connector
Rear Panel Remote Program Connector:
GOB12-88PNE. Mating connector kit (P/N 413290) must be ordered separately if required
Front panel connectors, Kings K-LOC 1074-1, are provided for high voltage monitoring, current monitoring, and for
trip monitoring of each output. The six mating connectors, Kings 1075-2, must be ordered separately if required
Rear Panel Bin Gate Connector:
Kings K-LOC 1074-1. The mating connector, Kings 1075-2 must be ordered separately if required
Item is Used in Perfect Working Order
Very Limited Hours on This Unit
(1) Bertan 380P MWPC Power Supply ONLY



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