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428 Detector Bias Supply PERFORMANCE NOISE AND RIPPLE <0.0002%. TEMPERATURE INSTABILITY £±0.02%/°C, 0 to 50°C.LINE INSTABILITY Directly proportional to dc power supply instability (<±0.02% for 105 to 125 V ac when using one of the ORTEC Model 4002 Series Power Supplies). CONTROLS AND INDICATORS A/B (0–1000 V) Front-panel 10-turn direct-readout potentiometers for bias control. POS/OFF/NEG Front-panel switch selects positive or negative outputs for both detectors.CURRENT MONITOR Front-panel jacks for accommodating external meter in each output circuit. OUTPUTS A/B SHV connectors on front panel provide short-circuit-proof outputs for each detector; range 0–1000 V; positive or negative polarity for both detectors; impedance ~1.3 MW. ELECTRICAL AND MECHANICAL POWER REQUIRED +24 V, 165 mA; –24 V, 165 mA. WEIGHTNet 1.82 kg (4.0 lb). Shipping 3.3 kg (7.25 lb). DIMENSIONS NIM-standard double-width module 6.90 X 22.13 cm (2.70 X 8.714 in.) per DOE/ER-0457T. ORDERING INFORMATION
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