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Trek 156A - Page 29

Trek 156A
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Specifications (cont.)
FEATURES (cont.)
Plate Voltage Digital Panel Meter 3 ½ digit red LED display.
Range 0 to ±1100 V.
Resolution 1 volt.
Accuracy Better than 0.1% of full scale, ±1 count.
Decay Time Digital Panel Meter 4-digit red LED display.
Range 0 to 9999 seconds.
Resolution 0.1 seconds, from 0 to 999.9 seconds;
1 second, from 1000 to 9999 seconds.
(The display will indicate “- - - -” when
the decay time exceeds 9999 seconds.)
Ion Collector Plate
Standard Option Meets ESD Association Standard
ANSI/ESD-STM3.1 requirements for:
Dimensions 15.3 cm x 15.3 cm square, (6² x 6²
square).
Capacitance 20 pF ±2 pF.
Non-standard Option
Dimensions Specify when ordering.
Capacitance Specify when ordering.
Mode Select A three-position toggle switch that selects
the +Decay, the -Decay, or the Float mode
of operation. This switch is also used in
combination with the Test/Reset Control
switch to program the start and stop
voltages.
IV - 3
Specifications