NF A5 modèle - Chauvin Arnoux
Contents
1. not defined U lt 1 mV S ES U Use Une gt 42 V A flashes S ES Spurious voltage of which the D frequency and or value is likely to interfere with the measurement L t Mi A Ya Le Current Le measured on startup of measurement before les or La Not active if the SMOOTH function is selected The symbol may also appear if there is an external voltage gt 42 V on the terminals of the device You should change to manual mode and modify the measurement voltage and or frequency to make a valid measurement when the NOISE symbol is no longer illuminated SG LIST OF CODED ERRORS On initial operation the C A 6472 automatically runs a self diagnosis If a fault appears during self diagnosis or measurement the instrument displays a message in the format Err XX These errors are classified into 3 categories H Not serious Errors 6 7 11 and 17 The message is displayed for around 1 second to inform the user Envisage repair if the error recurs H Recoverable Errors 5 9 14 15 18 19 30 31 32 and 33 The error concerns the measurement function in process and disappears if the function is changed The instrument can therefore be used but will need to be repaired if the error persists Special cases m An 18 error indicates it is impossible to recharge the internal battery of the instrument H an 18 error is declared while the battery is being recharged and remains present once the instrument h2. SE ap V pot earth loop resistance 2 clamps value of resistance R Act PASS for passive measurement made with the spurious current flowing in the installation resistance of the electrode connected to terminal S selective earth resistance current measurement using clamp or AmpFLEX resistance between electrodes S and ES used for the resistivity measurement measurement leads compensation resistance terminal S acquisition of measurement potential for the earth resistance calculation present Act external voltage on the terminals of the device voltage measured between terminals H and E voltage generated by the device between its terminals H and E 32V or 16V voltage measured between terminals S and E voltage measured between terminals S and ES frequency chosen by the user user shortened voltage of terminal S with respect to E in relative rEL form dimensionless value soil potential measurement soil resistivity measured by the Schlumberger method soil resistivity measured by the Wenner method 1 The suffix Act becomes In for Input when this value is recorded in the device then read in order to distinguish between present value and recorded value In both cases the quantity displayed is associated with its frequency 2 In this case the resistances of the 4 electrodes used for the measurement are indicated by P R P S 03 2008 Code 691307A02 Ed 2 DEUT
3. use the instrument if its accessories appear damaged E Apart from the applications specified never measure resistance on a powered up circuit or with a link to the electricity network maintained m Never exceed the protection limits indicated in the specifications H n general boots gloves and insulated mats should be used A The equipotentiality of the various locations of the stakes used to measure the earth may be compromised if there are major faults on nearby electrical installations or in certain meteorological conditions stormy weather It is up to the operator to judge whether to continue with or postpone a measurement campaign for each situation A Using a specific power unit the C A 6472 can also be recharged from a 12 VDC socket in a vehicle In this case the low point of the vehicle 12 VDC socket is located at the potential of the E and ES inputs of the instruments For safety reasons the instrument must not be used or connected to this power supply unit if the presence of voltage in excess of 32V is suspected on these inputs 4 MAINTENANCE For maintenance use only the specified spare parts The manufacturer cannot accept any responsibility for accidents occurring following repairs carried out outside its after sales department or approved maintenance network Changing the battery The battery for this instrument is specific it contains precisely adapted protection and safety elements Failure to replace the battery wi
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5. Earth and resistivity tester C A 6472 CHAUVIN G ARNOUX Overview CHAUVIN ARNOUX GROUP INTRODUCTION This is an overview of the complete C A 6472 user manual which enables the user to easily find The rules for using the instrument The operation of keys and measurement setting configuration The general configuration of the instrument The meaning of alarm indicators The meaning of the various error codes A glossary lists the terms and abbreviations used on the instrument and the digital display RULES FOR USE WARNING risk of DANGER Read the user s manual In these operating instructions failure to follow or carry out instructions preceded by this symbol may result in personal injury or damage to the device and the installations Instrument fully protected by double insulation or reinforced insulation The rubbish bin with a line through it means that in the European Union the product must undergo selective disposal for the recycling of electric and electronic material in compliance with Directive WEEE 2002 96 EC Earth terminal DEFINITION OF MEASUREMENT CATEGORIES H Measurement category IV corresponds to measurements taken at the source of low voltage installations H Measurement category Il corresponds to measurements on building installations Measurement category Il corresponds to measurements taken on circuits directly connected to low voltage installations H Measurement category corresponds
6. S acquisition of reference potential for the 4P earth resistance calculation terminal H measurement current injection terminal external current presently Act measured by the clamp I or the AmpFLEX sensors lge current measured by the clamp connected to terminal ES selective earth measurement with clamp measurement current flowing between terminals H and E current measured using the C A 6474 selective earth measurement with AmpFLEX indicates that a spurious external voltage is present and interfering with the earth or resistivity measurement mean resistance calculated from R and R resistance measured with a positive current flowing from terminal H to terminal E resistance measured with a negative current flowing from terminal H to terminal E present Act resistance calculated from values U Act and l Act first value measured to calculate the coupling between 2 earth electrodes R R Ro second value measured to calculate the coupling between 2 earth electrodes R R Ro third value measured to calculate the coupling between 2 earth electrodes R2 R R first earth value calculated R R Ra second earth value calculated R R Ro coupling resistance between earths R and R R R R R 2 resistance of the earth connected between terminal E and electrode S resistance of the electrode connected to terminal H U Act 1 U U U Uses USr U HE OUT
7. SCHLAND Chauvin Arnoux GmbH Stra burger Str 34 77694 Kehl Rhein Tel 07851 99 26 0 Fax 07851 99 26 60 ESPANA Chauvin Arnoux Ib rica S A C Roger de Flor N 293 Planta 1 08025 Barcelona Tel 902 20 22 26 Fax 934 59 14 43 ITALIA Amra SpA Via Sant Ambrogio 23 25 20050 Bareggia di Macherio MI Tel 039 245 75 45 Fax 039 481 561 OSTERREICH Chauvin Arnoux Ges m b H Slamastrasse 29 3 1230 Wien Tel 01 61 61 961 0 Fax 01 61 61 961 61 SCANDINAVIA CA Matsystem AB Box 4501 SE 18304 TABY Tel 46 8 50 52 68 00 Fax 46 8 50 52 68 10 SCHWEIZ Chauvin Arnoux AG EinsiedlerstraBe 535 8810 Horgen Tel 044 727 75 55 Fax 044 727 75 56 UNITED KINGDOM Chauvin Arnoux Ltd Waldeck House Waldeck Road Maidenhead SL6 8BR Tel 01628 788 888 Fax 01628 628 099 MIDDLE EAST Chauvin Arnoux Middle East PO BOX 60 154 1241 2020 JAL EL DIB Beirut LEBANON Tel 01 89 04 25 Fax 01 89 04 24 CHINA Shanghai Pu Jiang Enerdis Instruments Co Ltd 3 F 3 rd Building N 381 Xiang De Road 200081 SHANGHAI Tel 86 21 65 21 51 96 Fax 86 21 65 21 61 07 USA Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Blvd Foxborough MA 02035 Tel 508 698 2115 Fax 608 698 2118 http www chauvin arnoux com 190 rue Championnet 75876 PARIS Cedex 18 FRANCE T l 33 1 44 85 44 85 Fax 33 1 46 27 73 89 info chauvin arnoux fr Export T l 33 1 44 85 44
8. address DISPLAY 4 press 1 247 EE speed ConFIG 3 press 9 6k 19 2k 38 4k 38 4k Configuration by default CONFIG 4 press xxx out of 512 total Memory occupied MEM possible number of locations Verification and adjustment of AmpFLEX via the C A 6474 accessible on the 5th press on the CONFIG key Please refer to the C A 6472 user manual for the procedure to be followed Display of the instrument serial number and software version Hold down the CONFIG key while turning the rotary switch on the SET UP position Viewing all the display segments Hold down the DISPLAY key while turning the rotary switch on the SET UP position INDICATORS OF LIMITS OF USE After the measurement has started there are indicators of when m The values R and or R are too high m The measurement current lye les Or lge is too low BR Measurement instability is high Those conditions that may give uncertain results are indicated on the display of the unit as follows 3P 4P Vpot f gt 513 Hz 4Psel AmpFLEX LA ashes esu 82 4PP Veot Oie All except p and f gt 513 Hz R gt 5kQ ann SC i A flashes ep Ry gt 90 ka hashes A flashes 4P sel ls lt 1mA Ge flashes A flashes AmpFLEX flashes Values measured U R unstable Z fixed E varying by more than 5 of their average value flashes ls lt 3 MA ES l lt 30 mA flashes SEL U s lt 10 mV S ES l lt 0 3 MA ES La lt 3 MA
9. as been started again stop recharging and replace the battery m In the event of a 19 error erasing the instrument memory may remove this error m For errors 31 32 and 33 excessively high voltage or current appeared during measurement Check the measurement circuit E Fatal Errors 0 1 2 3 8 12 13 15 16 18 when recharging batteries and 21 These errors stop the instrument from working Stop the instrument and start it again If the error persists the instrument needs to be repaired GLOSSARY This glossary lists the terms and abbreviations used on the device and its digital display unit 3 poles 4 poles AmpFLExX EARTH EARTH COUPLING ES H l Act ES HE SEL NOISE R R R R Act R 4 R OH W a Wa Ay D D DDD Ta earth resistance measurement with 2 auxiliary electrodes 3P 4 wire measurement of low earth resistance using 2 auxiliary electrodes 4P selective earth measurement using the C A 6474 accessory and AmpFLEX current sensors coupling coefficient of earth R with earth R C R R coupling coefficient of earth R with earth R C R R distances to be programmed for the resistivity calculation depending on the measurement method used low resistance continuity measurement terminal E earth electrode measurement current return terminal earth measurement 3 pole or 4 pole measurement of coupling between 2 earth electrodes terminal E
10. eter flashes aa Incrementation in roll mode of the value of the flashing parameter selected e Decrementation in roll mode of the value of the flashing parameter selected OPERATING MODES The instrument has 3 measurement modes AUTO mode Measurement is activated by pressing the START STOP key and measurement frequency selection is automatic Measurement stops as soon as the results are available on the display MANUEL mode Measurement is activated by the START STOP key and stopped by pressing the START STOP key again The operator can modify measurement frequency during measurement without it being stopped SWEEP mode The measurement sequence is activated by pressing the START STOP key The instrument then carries out n measurements automatically corresponding to a sweep in a sequence of n measuring frequencies These n measuring frequencies are defined inside the instrument and can be modified via the application software for this instrument The measuring frequency stops automatically once the n measurement has been carried out All the measurements in a sequence are automatically memorised at the OBJ TEST address proposed or chosen after selection of the SWEEP mode SET UP MODE Modifiable parameters Command keys Values possible Default value Distances unit DISPLAY 1 press m metres or ft feet ON OFF mQ alarm measure 2 wires DISPLAY 2 press direction gt or lt OFF gt 20 value 1 999 Q Modbus
11. oltages over 42 V are present on inputs the A warning symbol appears and flashes on the top left of the display 3 PRECAUTIONS FOR USE A This measuring instrument should be used by personnel trained in the functions of the instrument as well as in the safety rules and standards applicable to its use This rule also applies to the use of accessories made by other manufacturers If there is a suspicion that use of the appliance may be dangerous for the operator the instrument must be taken out of service making accidental use impossible This is particularly true if the instrument HR Shows visible sign of deterioration H Does not work properly H Has been exposed to climatic conditions not within specifications H Has been subjected to significant mechanical stress For safety reasons RN Only use accessories the overvoltage category and assigned voltage of which are at least equal to or higher than those of the instrument EN 61010 2 031 and 32 BR Only use the mains adapter unit supplied with the instrument to recharge the battery this is adapted to charging conditions and meets overvoltage category Il requirements ensuring the user s safety from an electrical standpoint To obtain the best use from your battery and prolong its efficiency m Only charge the instrument between 0 and 40 C Comply with the conditions for use defined in the user manual Comply with the conditions for storage defined in the user manual H Do not
12. te to the function Select MANUAL mode Choose the various measurement parameters using the CONFIG key Press the START button The measurement frequency or the direction of the current resistance measurement can be changed during the measurement to view their impact upon the measurement and the parameters relevant to the measurement can be viewed using the DISPLAY key When the measurement results are acceptable stop the measurement by pressing the STOP button View the result on the display and toggle through the relevant parameters using the DISPLAY key You can save all of this information to the internal memory of the device FUNCTIONS OF KEYS The primary functions of keys are indicated above the keys in white The secondary key functions indicated in yellow italics beneath them are accessible by pressing then releasing the yellow key then the relevant key The same operation is used to return to the primary function Setting measurement parameters before measuring AUTO 2 wire 4 wire measurement MANU 2 wire 4 wire measurement measurement current flow direction AUTO U V MANU U measuring frequency coupling EARTH COUPLING SWEEP and OBJ TEST U OUT CONFIG 4poles AUTO Your FREQUENCY U measuring frequency AmpFLEX SWEEP and OBJ TEST Up p AUTO measuring method U ur V pot MANU measuring method Uur measuring frequency AUTO MANU measuring frequency Se
13. th the specified model may lead to material damage and bodily injury due to explosion or fire To ensure continued safety only replace the battery with the original model defined in the user manual If the battery is changed the following safety instructions must be adhered to Never short circuit the positive and negative poles Never dismantle the battery and its cells Never incinerate or expose to heat sources Never clean with water or corrosive agents Never use the battery if it shows signs of leakage or mechanical deterioration Collect used batteries for recycling within the framework of protection of the environment To ensure continued safety only replace a faulty fuse by a fuse with characteristics that are strictly identical to those defined in the user manual OPERATING PRINCIPLE The device has 2 operating modes DR RR A Automatic mode for routine applications Manual Expert mode in which the user can change the parameters of the measurement functions AUTOMATIC MODE Set the switch to the desired function Make the connections appropriate to the function Press the START button The device makes the measurement and stops automatically Read the measurement result on the display unit and the relevant parameters using the DISPLAY key You can record all of this information in the internal memory of the device MANUAL OR EXPERT MODE Set the switch to the desired function Make the connections appropria
14. to measurements taken on circuits not directly connected to the network Thank you for purchasing a C A 6472 earth and resistivity tester To obtain the best service from your unit m read these operating instructions carefully BR comply with the precautions for use that is to say temperature humidity altitude degree of pollution and site of use 1 CHARACTERISTICS LABEL Stick one of the 5 characteristics labels supplied in the appropriate language inside the instrument lid 2 INSTRUMENT FUNCTIONS The instrument is designed and made for the verification and measurement of the various electrical parameters of earthing installations As an instrument powered by 8 x 1 2 V rechargeable internal batteries with a maximum voltage output of 16 V or 32 V as required the tester is not dangerous for the user The instrument meets the safety criteria of standards IEC 61010 1 61010 2 31 amp 32 and IEC 61557 parts 1 4 and 5 subject to the following conditions Maximum altitude for use Use Max voltage relative to earth Installation category Pollution level Maximum differential voltage at inputs Maximum short term voltage 3 000 m indoor or outdoor 50V IV 2 75 Vrms 250 Vrms on any 2 of the 4 inputs The tester also meets standards IEC 60479 1 2 and 3 and IEC 61326 1 Between the H and E inputs the instrument is protected by a 0 63 A 250 V 5 x 20 mm fast fuse with high 1 5 kA cutout power If v
15. tting measurement parameters during manuel mode measurement m All functions except mQ measuring frequency E mi measurement current flow direction Only when measuring ground resistivity p and potential V pot programming DISTANCE distances A and or d before or after measurement Display of the various screens and results available in roll mode DISPLAY Exit of the E function without recording SMOOTH Activation deactivation of the Activation deactivation of the smoothing of measurement display of measurement display Memorisation of a measurement and all the information relating to an address defined by an object number OBJ and test number TEST An index for the following functions is automatically associated with the test number H 1 2 3 4 for coupling measurements EARTH COUPLING m DISTANCE for resistivity p and ground potential measurements V pot H FREQUENCY for measurements carried out in SWEEP mode MEM needs to be pressed twice m Jg press confirmation of the memorisation address can be changed with the P and AV keys m 24 press memorisation at the chosen address Reading of the values memorised The address OBJ TEST and as applicable the associated index are selected with the P and AV keys All the information linked to the recalled measurement can be displayed with the DISPLAY key Selects the parameter to be modified in roll mode from left to right The modifiable param
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