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Operating Instructions

Electric Field Meter EM03

BA-en-1020-1804

F0

002

9

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Summary of Contents for EM03

Page 1: ...Operating Instructions Electric Field Meter EM03 BA en 1020 1804 F00029y ...

Page 2: ...2 BA en 1020 1804_EM03 ...

Page 3: ... 2 3 Proper Use 6 2 4 Work and operational safety 7 3 Operation 8 3 1 Startup 8 3 2 Taking measurements 8 3 3 Power supply 10 3 4 Battery monitoring 10 4 Maintenance 11 4 1 Changing the batteries 11 4 2 Zero setting 11 4 3 Calibration 11 5 Warranty 12 6 Technical specifications 13 7 Accesories and spare parts 13 Declaration of Conformity 15 ...

Page 4: ... can be measured if 1 000 Volts are detected the instrument automatically switches over into the kV display range The electric field meter is a parametric amplifier The charges influenced by the electrical field generate an alternating current proportional to the field strength This alternating current is measured via a selective amplifier without drawing time averaged energy from the electrical f...

Page 5: ...ring electrode is built into an aluminium front plate A modulation wind mill type wheel of the same star shape connected to frame rotates a short distance ahead of the electrode A ring electrode system enclosing the influence electrode serves as mechanical protection Fig 1 Outline of appli ance EM03 1 Spacer 2 cm 2 Modulator system measuring sensor with protective cap 3 Zero trimmer side mounted 4...

Page 6: ...in the operating instructions refers to operations which if carried out improperly may result in damage to property 2 2 Technical advance The manufacturer reserves the right to make changes to the technical specifications without prior notice in order to adapt the units to state of the art engineering Eltex will provide the latest information on any changes or modifications in the operating instru...

Page 7: ...ields 1 Hz cannot be measured with this instrument When measuring high static charges the electric field meter must be grounded using the alligator clip supplied with the unit The first measurement must be made from a sufficient distance to ensure that the maximum applied surface potentials are determined from a safe measuring distance Spark discharges onto the modulator system must be avoided ...

Page 8: ... Fig 1 Pressing the key twice in brief succession during normal opera tion will switch the unit off Note The unit will switch off automatically after five minutes to avoid battery exhaustion Switch the unit back on for subsequent measurements 3 2 Taking measurements Remove the protective cap from the modulator system The preset measuring distance after switching on is 2 cm If this setting is used ...

Page 9: ...out pres sing the function on key until the bottom line again shows the current measuring value The top line now shows the newly selected distance This measuring distance is now used for any subsequent measurement The measuring distance results from the distance between the measuring electrode behind the modulator wheel and the measured object The measuring electrode is located 3 mm ahead of the f...

Page 10: ...s case the 9 V block battery must be replaced or recharged If the battery voltage drops below 7 0 V the bottom line of the display signals auto off for about 2 seconds The unit will then switch off automatically to avoid battery exhaustion and battery leakage Caution Use only alkaline or lithium 9 V block batteries or Ni Cd or Ni MH rechargeable batteries When using rechargeable batteries recharge...

Page 11: ...nt Remove the battery and pull off the battery clip Push the battery clip over the new battery put the assembly back in the compartment and close the compartment 4 2 Zero setting Before each use of the unit we recommend a check of the zero point If with the modulator system protected e g by covering the modulator sys tem by hand and the testing person being grounded should it any time fail to disp...

Page 12: ... the operating and assembly instructions spe cified by Eltex have been observed The warranty period begins on the date of delivery In the event of defects occurring during the warranty period the units or defective components will be repaired at Eltex Defective components will be replaced and installed free of charge If repairs are required at the customer s premises the costs for sending a techni...

Page 13: ...Dimensions 114 x 68 x 25 mm L x W x H 141 mm with spacer and grounding socket Weight 175 g with battery Sensor star shaped influence measuring electrode Display 2 line alphanumerical LCD 2 x 12 digits Batteries 9 V alkaline or lithium block battery Type IEC 6F22 or Ni Cd or Ni MH batteries Operating period approx 10 hours continuous operation Measurement system calibration In the homogeneous field...

Page 14: ...14 BA en 1020 1804_EM03 ...

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Page 16: ... 67 69 D 79576 Weil am Rhein Phone 49 0 76 21 79 05 230 Fax 49 0 76 21 79 05 330 eMail static control eltex com Internet www eltex com Eltex offices and agencies The addresses of all Eltex agencies can be found on our website at www eltex com Z01007y ...

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