Operator’s Manual
Charged Plate Analyzer
Model 268A-1
100 Housel Ave
⏐
PO Box 535 Lyndonville NY 14098 1-800-821-6001
585-765-2254
fax: 585-765-9330
monroe-electronics.com
Страница 1: ...Operator s Manual Charged Plate Analyzer Model 268A 1 100 Housel Ave PO Box 535 Lyndonville NY 14098 1 800 821 6001 585 765 2254 fax 585 765 9330 monroe electronics com...
Страница 2: ...epairing or replacing the non conforming goods and or defective work and in accor dance with the foregoing Monroe Electronics shall not be liable for any other damages either direct or consequential R...
Страница 3: ...eneral Information Section 3 Operation Section 4 Maintenance APPENDIX I Variable Timer Trip Point Option APPENDIX II Application Note APNE 0017 Plate Self Decay of Charged Plate Monitors Copyright 199...
Страница 4: ...ing 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...
Страница 5: ...n of the three used for plate control These are mechanically interlocked so that only one function can be selected at a time Controls are grouped by function The three pushbutton switches directly ben...
Страница 6: ...e set voltage within 5 minutes at relative humidity of less than 50 At high humidity surface leakage currents increase and air ionizes readily and self decay time can be expected to decrease regardles...
Страница 7: ...n should concur with the meter range selected 6 Zero the plate by pressing the ZERO button This removes all voltage from the plate It connects the plate to ground through a 10k ohm resistor 7 Charge t...
Страница 8: ...h into the PK position 5 Allow the plate to float by depressing the DECAY button This ungrounds the plate The meter will now indicate the highest peak voltage attained by the plate in the selected pol...
Страница 9: ...ng IMPORTANT DO NOT USE SOAP DETERGENT OR TAP WATER TO CLEAN THESE INSULATORS Clean the exposed surfaces of the insulators with mixture of 70 clean technical grade isopropyl alcohol and 30 distilled w...
Страница 10: ...ed aftermarket upgrade to the basic Model 268A 1 VARIABLE TIMER OPTION OPERATING INSTRUCTIONS 1 Power unit on 2 Select either 5kV or 2kV plate voltage level measuring range 3 Make sure NORM PEAK butto...
Страница 11: ...factors may exist that cause the isolated plate to discharge In the absence of air ions any discharge of the isolated plate is known as plate self decay or plate isolation The Problem As the isolated...
Страница 12: ...area are the most effective ways to manage plate self decay The warm air lowers the relative humidity When the CPM is stored in areas with higher humidity use a heat gun to warm the insulative suppor...
