Section 2
SPECIFICATIONS
CHARGED PLATE/PROBE ASSEMBLY:
■ Designed to EOS/ESD Association standard
■ Standard tripod mount
■ Dimensions: 6" X 6"
■ Capacitance: Total discharge test circuit with plate 20 picofarads, ±2 pf
■ Plate self-discharge: Less than 10% of set voltage within 5 minutes below 50% RH
at 25°C
POWER SUPPLY:
±6000 volts maximum output; ±1000 volts/±5000 volts charging of isolated plate
available, adjustable from 1100 to >5000 volts
ELECTROSTATIC FIELDMETER:
RANGE: 0 to ±7500 volts; 0 to ±2000 volts—switch selectable
ACCURACY: Better than 2%
DRIFT: < 0.4% per hour non-cumulative after 10 minutes stabilization, typical
SPEED OF RESPONSE: Less than 100ms for 10% to 90% of full scale either range
OUTPUT: Divide input by 1000, impedance 100Q
TIMER: Full scale 999.9 sec. (>16 min.), 0.1 sec. Resolution
POWER REQUIREMENTS:
117 or 220 volts ±10% (factory preset), 50/60 Hz, 5 watts
SIZE AND WEIGHT:
Height 6", Width 6", Depth 9"; (17 x 17 x 24 cm, 2.3kg)
Weight 5.5 lbs.