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    GMC-I Messtechnik GmbH 

 

g) After completing the measurements on the last leg of the structure and after displaying (for 5 

seconds) the resistance result (R

4

), the following screen will be displayed: 

 

 

 

After completing a series of measurements (on each leg), the screen will display the resultant earth 
resistance R

E

. Use buttons   and   to change results displayed by the auxiliary screen on the 

right. 

 
 
 

Summary of Contents for GEOHM ERP-1

Page 1: ...Operating Instructions GEOHM ERP 1 Adapter for flexible AC Current Sensors GEOHM FLEX 1 3 3 447 062 03 1 8 19 ...

Page 2: ...s 10 4 3 Charging the reachargeable batteries 10 5 Cleaning and maintenance 11 6 Storage 11 7 Dismantling and Disposal 11 8 Technical specifications 12 8 1 Basic data 12 8 2 Additional data 14 9 Scope of Delivery 15 10 Optional accessories 15 11 Device Return and Environmentally Compatible Disposal 15 12 Repair and Replacement Parts Service Calibration Center and Rental Instrument Service15 13 Pro...

Page 3: ... safety regulations and with other relevant fire regulations required during the performance of a particular type of work Before starting the work with the device in special environments e g potentially fire risk explosive environment it is necessary to consult it with the person responsible for health and safety it is damaged and completely or partially out of order its cords and cables have dama...

Page 4: ...ng a point of danger Attention observe documentation Switching the adapter ON OFF Selected flexible AC current sensor connected to the device Selected number of flexible AC current sensor wraps around the pole leg LEDs indicating the number of flexible AC current sensors wraps around the pole leg LEDs indicating selected type of flexible AC current sensors F GEOHM FLEX 1 FS GEOHM FLEX 2 FSX GEOHM ...

Page 5: ...urrent sensors follow the labelling on the current sensors 7 Press button on the adapter to specify the number of flexible AC current sensors wraps around the leg of the structure object 8 On the earth tester select the measurement method as 3p clamps setting the rotational function selector in the position shown here 9 Flexible AC current sensors connected to ERP 1 adapter should be wrapped aroun...

Page 6: ... legs of the object Note In case of measurements on a damaged structure or on a structure with defective grounding system the result calculated with the above formula 1 may be burdened with a considerable error IE1 IE4 current flowing to the ground through the individual legs of the pole IS current flowing upwards to the lightning protection wire E S H markings on the meter sockets Fig 1 Schematic...

Page 7: ...uring the measurements APPENDIX for earth testers GEOHM PRO and GEOHM XTRA As additional functions are available in earth testers GEOHM PRO and GEOHM XTRA measurements with flexible AC current sensors the manufacturer provided an additional option for automatic calculation of the resultant resistance of the earth tester a After selecting 3P clamps the following screen is displayed b After pressing...

Page 8: ...current e Press START button to display the following screen Follow the command on the screen and fix the clamps to the first leg if not already done The measurement will be triggered by pressing again START button f This screen is shown for 5 seconds from the moment of displaying calculated R1 value then screen before the second measurement will be shown You may recall the last measurement result...

Page 9: ...e and after displaying for 5 seconds the resistance result R4 the following screen will be displayed After completing a series of measurements on each leg the screen will display the resultant earth resistance RE Use buttons and to change results displayed by the auxiliary screen on the right ...

Page 10: ...replace the rechargeable batteries Disconnect current sensors and switch the adapter off Unscrew the screw and remove the cover of the battery compartment in the bottom of the housing Replace all rechargeable batteries observing the correct polarity Install the cover back and fix it with the screw CAUTION Do not use the adapter when the battery compartment is removed or open Do not power the adapt...

Page 11: ...current sensors from the adapter and earth tester Thoroughly clean the adapter and current sensors If adapter is to be stored for a prolonged period of time the batteries must be removed from the adapter In order to prevent a total discharge of the battery in the case of a prolonged storage remove and charge the batteries in an external charger from time to time 7 Dismantling and Disposal During t...

Page 12: ...certainty unspecified in the range of 0 mA 199 mA above 5 A the uncertainty is unspecified Flexible AC current sensors GEOHM FLEX 2 RE measurement Uncertainty of the adapter Range 0 000 Ω 1999 Ω 6 m v 8 digits 6 m v 8 digits 6 m v 6 digits 6 m v 4 digits Uncertainty specified for earth tester GEOHM PRO und GEOHM XTRA Basic uncertainty for Un 25 V Range Resolution 0 000 Ω 3 999 Ω 0 001 Ω 14 m v 4 d...

Page 13: ...m v 4 digits 12 m v 4 digits 10 m v 4 digits 10 m v 4 digits 4 00 Ω 39 99 Ω 0 01 Ω 12 m v 3 digits 12 m v 3 digits 10 m v 3 digits 10 m v 3 digits 40 0 Ω 399 9 Ω 0 1 Ω 400 Ω 1999 Ω 1 Ω Basic uncertainty for Un 50 V Range Resolution 0 000 Ω 3 999 Ω 0 001 Ω 10 m v 4 digits 10 m v 4 digits 8 m v 4 digits 8 m v 4 digits 4 00 Ω 39 99 Ω 0 01 Ω 10 m v 3 digits 10 m v 3 digits 8 m v 3 digits 8 m v 3 digit...

Page 14: ...8 2 Additional data Thresholds for triggering NOISE LED for sinusoidal current of 50 Hz GEOHM FLEX 1 F 5 A GEOHM FLEX 2 FS 5 A 3 3 A 2 5 A GEOHM FLEX 3 FSX 3 5 A 1 7 A 1 2 A 0 9 A Additional uncertainty of the electrodes determined for earth tester GEOHM PRO und GEOHM XTRA RE RH RS Additional uncertainty caused by the electrodes for Un 25 V 0 000 Ω 3 999 Ω RH 500 Ω und RS 500 Ω Within the basic un...

Page 15: ...t com by entering the search term WEEE We identify our electrical and electronic devices in accordance with WEEE 2012 19 EU and ElektroG with the symbol shown to the right per DIN EN 50419 These devices may not be disposed with the trash Please contact our service department regarding the return of old devices 12 Repair and Replacement Parts Service Calibration Center and Rental Instrument Service...

Page 16: ...Deutschland Änderungen vorbehalten Eine PDF Version finden Sie im Internet Telefon 49 911 8602 111 GMC I Messtechnik GmbH Telefax 49 911 8602 777 Südwestpark 15 E Mail info gossenmetrawatt com 90449 Nürnberg Germany www gossenmetrawatt com ...

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