Specifications – Monroe Electronics Charge Plate - Analyzer - model 268A User Manual
Page 4

Section 1
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
picofarads
Plate self-discharge: Less than 10% of set voltage within 5 minutes below
50% RH at 25°C
POWER SUPPLY:
±7500 volts maximum output; ±1000 volts/±5000 volts charging of isolated
plate available, adjustable from <±1000 to >±5000 volts
ELECTROSTATIC FIELDMETER:
RANGE: 0 to ±7500 volts; 0 to ±2000 volts—switch selectable
ACCURACY: Better than 2%
DRIFT: Less than 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 100
Ω
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 6¾”, Width 6¾”, Depth 9½”; 5.5 lbs.
(17 x 17 x 24 cm, 2.3kg)