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User's Manual Charged Plate Monitor  

 

 

Part No. 7100.CPM74 

 

 

  _ 

Page 9 of 10 

 

V0508

 

In MK11 mode you must confirm that the high voltage head MK11 is mounted properly. 

 

In PLATE mode you must confirm the plate is mounted properly. 

 

In MK11 mode the high voltage head must be grounded for zero adjust. 

 

In PLATE mode the plate voltage must be zero. You might ground the plate to assure this. 

 

The zero adjust starts after confirming with button 

«A»

 

Important: 

No foreign voltage must be appied to the unit or the plate electrode during 

calibration. Calibration without high voltage head can be performed by using the supplied 
protection cap. Put on the cap and confirm zero adjust with grounded MK11.  

6.  Additional Messages 

If the electrofield-meter is defect, the following message will appear: 

 

If the power of the NiCd Battery is less than 6,7 volts, the unit will provide the following 
message alternating every second with the actual first row:  

 

The battery has to be recharged, but the ongoing or the upcoming measurement could be 
finished first. 

Important:

 Only use the supplied power supply. The battery will be charged if the unit is 

switched off. The maximum charge time is 14 hours.  
If the battery voltage will become less than 6,4 volts, the following message will appear for 
approximately 2 seconds:  

 

and the unit will switch off automatically to prevent a total discharge of the battery. A total 
discharge can cause damage or destroy the battery! 

AUTO OFF 

LOW BATTERY ! 

 

LOW BATTERY ! 

 

EFM DEFECT ! 

REPAIR IS NEEDED 

 

PLEASE WAIT ! 

CALIBRATION ! 

 

PLATE FREE ? 

A<YES                       NO>B 

 

GROUND MK11  ? 

A<YES                       NO>B 

 

MK11 FIXED ? 

A<YES                       NO>B 

 

MK11 FIXED ? 

A<YES                       NO>B 

 

Содержание 7100.CPM74

Страница 1: ...anual Charged Plate Monitor Part No 7100 CPM74 _ Page 1 of 10 V0508 Wolfgang Warmbier GmbH Co KG Untere Gie wiesen 21 D 78247 Hilzingen Germany www warmbier com User s Manual Charged Plate Monitor 710...

Страница 2: ...M74 is battery powered and due to its compact design it is very suitable for the mobile use in industrial areas It can also be operated at a power supply The CPM74 is menu driven and will be controlle...

Страница 3: ...V0508 1 2 Overview 1 Plate electrode 8 Handle 2 LCD Display 9 Power supply 12V 3 Button A 10 Serial interface 4 Protection cap 11 Analogue output 5 Electrofield Sensor 12 Ground socket 6 Button B 13...

Страница 4: ...then the time will be measured for the positive voltage decay first and then followed automatically for the negative voltage This mode is recommended for checking air ionizer equipment as the Start b...

Страница 5: ...POS DECAY NEG DECAY or both alternate in auto mode Press button A to continue 4 2 Saving measurement values The measured values can be saved in the internal memory after each measurement by pressing...

Страница 6: ...Button B switches to the ZERO ADJUST menu 4 3 1 Set up The current settings will appear Select the mode with button B accept the displayed mode with button A Available modes are POSITIVE NEGATIVE and...

Страница 7: ...mory must be cleared because the stored data relates to those parameters Press button A to clear Button B will skip all changes 4 3 2 Zero Adjust The Zero adjust menu is displayed when selecting NO in...

Страница 8: ...values are double 100V 400V 1kV and 4kV PLATE instead of MK11 is indicated in the lower left corner in this case 5 3 Configuration Press button A and B simultaneously to enter the set up function Pre...

Страница 9: ...s If the electrofield meter is defect the following message will appear If the power of the NiCd Battery is less than 6 7 volts the unit will provide the following message alternating every second wit...

Страница 10: ...power utilities This unit is not suitable to measure alternating fields with a frequency higher than 1 Hz Sparking discharge to the electro fieldmill sensor has to be avoided Do not charge the batteri...

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