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

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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

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)

This manual is related to the following products: