CPM 374 Charge Plate Monitor
The Charge Plate Monitor CPM 374 measures the voltage potential on its integrated plate electrode according to the fieldmill influence principle. The device is suitable to determine the static decay time from a selected higher voltage threshold to a lower voltage threshold level.
It consists of an integrated timer, a high voltage unit and an electro fieldmill sensor and achieves therefore the high impedance of 1015Ohm to measure electrostatic voltage potentials and static decay times of air ionizer equipment.
The unit complies to EN 61340-5-1 and EOS/ESD S.3.1
The high voltage unit is protected by a high-ohmic resistor and therefor touch safe.
The CPM 374 is battery powered and due to its compact design, it is very suitable for the mobile use in industrial areas. It can also be run on the power supply (230/115 VAC). The CPM 374 is menu-driven and controlled by means of 2 switches for simple operation. All selected parameters are shown in the 2-line LC-display for a better orientation of the operator.
Technical data:
| Dimensions: |
152mm x 152mm x 152mm (L x W x H) |
| weight: |
Approx. 990g |
| Display: |
Double-spaced alphanumeric 16-digit display (100mm x 24mm) |
| PC interface: |
Serial interface for device supervision and data output (9-pol. SUB D - connector) |
Power supply:
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Internal with storage battery 7.2V / 1300mAh (permanent supervised), operating time approx. 4h continuous operation with fully charged storage battery, external with mains adapter 12V DC / 750mA |
| Charge time: |
Max. 14h |
| Charging rate: |
Approx. 150mA in battery operation / approx. 600mA in mains operation |
| Self power-off: |
Approx. 5min after measuring end if no button touched |
Scope of delivery
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Charge Plate Monitor CPM 374
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Conductive plastic transport case with antistatic foam insert
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Mains adapter 230V... / 50Hz - 12V DC / 750mA
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Grounding cable with alligator clip
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Manual
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3 spacers for horizontal measuring
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Teflon-coated measuring lead with banana plug
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Serial PC cable
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CPM software
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Calibration certificate (works calibration)
Product safety information
Manufacturer information:
Kleinwächter GmbH
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