{"id":7388,"date":"2024-09-09T07:05:29","date_gmt":"2024-09-08T22:05:29","guid":{"rendered":"https:\/\/coreinsight.co.kr\/esd-measurement_\/cvm-780\/"},"modified":"2025-08-18T18:05:45","modified_gmt":"2025-08-18T09:05:45","slug":"cvm-780","status":"publish","type":"esd-measurement_","link":"https:\/\/coreinsight.co.kr\/en\/esd-measurement_\/cvm-780\/","title":{"rendered":"CVM-780"},"content":{"rendered":"\t\t
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SPECIFICATION<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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<\/div><\/div><\/th>
<\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t
Basic Description<\/div><\/div><\/div><\/td>
High impedance contact voltmeter with active probe<\/div><\/div><\/div><\/td><\/tr>
DC Characteristics<\/div><\/div><\/div><\/td>
Intended Operating Range: 0 to \u00b1525 volts<\/div><\/div><\/div><\/td><\/tr>
Resolutions<\/div><\/div><\/div><\/td>
1 volt, 3 digit display<\/div><\/div><\/div><\/td><\/tr>
Circuit Accuracy<\/div><\/div><\/div><\/td>
< \u00b11% (Note: Maximum measurement range is \u00b1575 Volts for brief periods )<\/div><\/div><\/div><\/td><\/tr>
Dynamic Characteristics<\/div><\/div><\/div><\/td>
Response Time: Approximately 1ms for a voltage step of 200V at the probe tip to the monitor output.
\nDigital display update: 3 readings per second.<\/div><\/div><\/div><\/td><\/tr>
Input Charge \/ Measurement<\/div><\/div><\/div><\/td>
Approximately 100 femptocoulomb\/volt (1.0×10-13 C\/V)<\/div><\/div><\/div><\/td><\/tr>
Input Impedance<\/div><\/div><\/div><\/td>
= 1.0xE14 ohm in parallel with < 1pF Capacitance<\/div><\/div><\/div><\/td><\/tr>
Recording Deviation<\/div><\/div><\/div><\/td>
Typically < \u00b110 volts at \u00b1 500 Volts<\/div><\/div><\/div><\/td><\/tr>
Probe Tips<\/div><\/div><\/div><\/td>
Probe Tips Metal Nominally 0.95 and 0.45 inch Ceramic 0.90 and 0.40 inch \u00b10.05\u201d<\/div><\/div><\/div><\/td><\/tr>
Power<\/div><\/div><\/div><\/td>
4 each Energizer NH15-2500 Nickel-Metal Hydride rechargeable batteries (AA Size)<\/div><\/div><\/div><\/td><\/tr>
Measurement Tolerance<\/div><\/div><\/div><\/td>
When measuring DC voltage reference\n500 V Less or Equal to \u00b12 V\n100 V Less or Equal to \u00b12 V\n50 V Less or Equal to \u00b12 V\n10 V Less or Equal to \u00b11 V\nWhen measuring floating conductors\n500 V Less or Equal to \u00b15% \u00b12 Counts\n100 V Less or Equal to \u00b15% \u00b12 Counts\n50 V Less or Equal to \u00b15% \u00b12 Counts\n10 V Less or Equal to \u00b110% \u00b12 Counts<\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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What's included<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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