Chauvin Arnoux C.A 6536 User Manual Download Page 1 | Manualshive

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Megohmmeter

GB - User’s manual

C.A 6536

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Summary of Contents for C.A 6536

Page 1: ...Megohmmeter GB User s manual C A 6536 ...

Page 2: ...ize the effects of the product on the environment In particular this appliance exceeds regulation requirements with respect to recycling and reuse The CE marking indicates conformity with European directives in particular LVD and EMC The rubbish bin with a line through it indicates that in the European Union the product must undergo selective disposal in compliance with Directive WEEE 2002 96 EC T...

Page 3: ...oned Observe the environmental conditions of use Except for voltage measurements make no measurements on live devices Do not use the instrument if it seems to be damaged incomplete or poorly closed Before each use check the condition of the insulation on the leads housing and accessories Any item of which the insulation is deteriorated even partially must be set aside for repair or scrapping There...

Page 4: ...n 17 2 7 HOLD function 17 2 8 Backlighting 18 2 9 SET UP 18 2 10 Alarm function 19 2 11 Automatic stop 20 2 12 Errors 20 2 13 Resetting the instrument 21 3 TECHNICAL CHARACTERISTICS 22 3 1 General reference conditions 22 3 2 Electrical characteristics 22 3 3 Variation in the range of use 24 3 4 Intrinsic uncertainty and operating uncertainty 26 3 5 Power supply 26 3 6 Environmental conditions 26 3...

Page 5: ... on the cords and on the accessories Comply with these values Use specific individual safety protections when hazardous live parts can be accessible in the installation where the measure is performed Before using your instrument check that it is in good working order for example by measuring a known dangerous voltage If the manual states how to replace the fuse s of your instrument use only the re...

Page 6: ...ygrometer C A 846 1 3 REPLACEMENT PARTS 2 straight right angle safety leads red and black 1 50 m long 2 crocodile clips red and black 2 test probes red and black 2 wire grips red and black Carrying case that also allows hands free use For accessories and spare parts visit our website www chauvin arnoux com ...

Page 7: ...AC k ALARM VAR k M mAµA G VHz G M HOLD REL P Connection terminals Backlit digital display unit 6 function keys Five position switch to choose the function or to switch the instrument off TEST button to start the measurements 1 4 PRESENTATION OF THE INSTRUMENT 1 4 1 C A 6536 ...

Page 8: ...8 1 4 2 ON THE BACK Captive quarter turn screw Battery compartment cover Prop Magnet for attachment to a metallic surface Non skid pads ...

Page 9: ...y a short press and a second function marked under the key obtained by a long press Key Function The TIMER key is used to select the and functions The key is used to switch the display unit backlighting on and off HOLD The HOLD key is used to freeze then unfreeze the display of the measurement SET UP The SET UP key is used to access the parameters and information of the instrument 0 The 0 key is u...

Page 10: ...1T2 k nF km M mAµA G VHz G M HOLD REL P Logarithmic bargraph to display insulation measurements Secondary display unit Main display unit When the measured value is below the minimum the instrument displays In voltage measurement when the measurement exceeds the limit either positive or negative the instrument displays OL or OL ...

Page 11: ...instrument indicates the remaining battery life If the battery voltage is too low to ensure correct operation of the instrument it so reports The batteries must then be replaced see 4 2 since the battery life indication is no longer reliable Except for the voltage measurement all measurements are made on devices in the power off condition It is therefore necessary to check that there is no voltage...

Page 12: ...ou can change it using the key Press to go to the next digit and to change it Press one last time to validate VDC VAR G V VAC VAR G V Use the leads to connect the device to be tested to the terminals of the instrument The device to be tested must not be live Pressing the key during the measurement changes the secondary display unit to display the current or the elapsed time 2 3 INSULATION MEASUREM...

Page 13: ... TEST button once to start the measurement then press it a second time to stop there is no need to keep the button pressed However if you forget to stop the measurement it will stop automatically after 15 minutes In the timed test mode simply press the TEST button once to start the measurement it will stop automatically at the end of the programmed time 2 3 2 TIMER KEY This key is active only for ...

Page 14: ... 200 or 20 mA 2 3 3 REMOTE CONTROL PROBE OPTION The remote control probe is used to trigger the measurement using the remoted TEST button on the probe To use this accessory refer to its operating instructions Set the switch to Ω V kΩ OFF Ω MΩ VAR Press the key to choose current measurement MEM The standard requires that the measurements be made at 200 mA But a current of 20 mA reduces the consumpt...

Page 15: ... the leads are changed with no change of compensation the display may become negative The instrument reports that the compensation must be redone by displaying blinking 2 4 2 ELIMINATION OF THE COMPENSATION OF THE LEADS To eliminate the compensation of the leads leave the leads open and long press the 0 key 0 2s 2 4 1 COMPENSATION OF THE LEADS To ensure precise measurements it is necessary to comp...

Page 16: ...and note the value R2 Calculate the mean M mA If an external voltage 15 V appears during the continuity measurement the instrument is protected without a fuse The continuity measurement is stopped and the instrument reports an error until the voltage disappears 2 5 RESISTANCE MEASUREMENT The resistance measurement is made with a weak current and can measure resistances up to 1000 kΩ R R1 R2 2 V kΩ...

Page 17: ... only the digital display is modified by the REL The bargraph continues to display the true measured value To exit from the REL function it is necessary to press the REL key again or turn the switch 2 7 HOLD FUNCTION x 100 HOLD Pressing the HOLD key freezes the display of the measurement This can be done in all functions except voltage in the MΩ setting To unfreeze the display press the HOLD key a...

Page 18: ...ge it to OFF then to validate the change The symbol disappears from the display when Set up is exited 2nd press on P Automatic switching off is activated To deactivate it press to make OFF blink to change it to On then to validate the change The P symbol appears on the display when Set up is exited 3rd press on Display of the type of instrument 4th press on Display of the internal software version...

Page 19: ...to using the key This symbol indicates the direction of the alarm threshold for a low threshold and for a high threshold Press the key again to go to the first digit then to the decimal point then to the second digit etc down to the unit and one final time on the key to validate the programming of the threshold When the alarm threshold is crossed i e when the measurement is below the low alarm thr...

Page 20: ... 1 PRESENCE OF A VOLTAGE BEFORE AN INSULATION MEASUREMENT G M mAµA G If during an insulation measurement the value to be measured exceeds the measurement range which depends on the test voltage the instrument so reports With a 100 V test voltage the screen is as shown opposite V Before the insulation measurement the instrument is in voltage measurement mode If there is a voltage on the terminals i...

Page 21: ...21 Press the and keys simultaneously Then turn the switch HOLD 0 V kΩ OFF Ω MΩ VAR The instrument reboots 2 13 RESETTING THE INSTRUMENT If your instrument crashes it can be reset like a PC ...

Page 22: ...points ct a R b ct 3 2 ELECTRICAL CHARACTERISTICS 3 2 1 VOLTAGE MEASUREMENTS Particular reference conditions Peak factor 1 414 in AC sinusoidal signal Specified measurement range 0 3 399 9V 400 700V Resolution 0 1V 1V Intrinsic uncertainty 3 2 ct Input impedance 400kΩ Frequency ranges DC and 15 3 at 800Hz 3 2 2 INSULATION MEASUREMENT Particular reference conditions Capacitance in parallel on resis...

Page 23: ...aximum test current 2mA 0 50 Specified measurement range 0 01 39 99 µA 40 0 399 9 µA 0 400 2 000 mA Resolution 10 nA 100 nA 1 µA Intrinsic uncertainty 10 3 ct Typical test voltage vs load curve The voltage as a function of the measured resistance takes the following form I 1 mA UN RN UN 1 mA The range of operation per IEC 61557 is from 100kΩ to 2 GΩ see 3 4 3 2 3 CONTINUITY MEASUREMENTS Particular...

Page 24: ... 4 00 39 99 kW 40 0 399 9 kW 400 1000 kW Resolution 1 W 10 W 100 W 1 kW Intrinsic uncertainty 3 2 ct No load voltage approximately 4 5 V 3 2 5 TIMER Specified measurement range 0 00 39 59 Resolution 1 s Intrinsic uncertainty 1 s 3 3 VARIATION IN THE RANGE OF USE 3 3 1 VOLTAGE MEASUREMENT Quantities of influence Range of influence Quantity influenced Influence Typical Maximum Temperature 20 to 55 C...

Page 25: ...1GΩ 0 2V UN 100V from 100kΩ to 10MΩ 20V from 10MΩ to 1 GΩ 0 3V Capacitance in parallel on resistance to be measured 0 to 5µF at 1mA MΩ 1 1 ct 0 to 2µF UN 10V and 25V from 10kΩ to 1 GΩ 2 1 ct 3 2 ct UN 50V and 100V from 10kΩ to 3 GΩ 6 2 ct 10 2 ct 0 to 1µF UN 50V 5GΩ 6 2 ct 10 2 ct Common mode rejection in AC 50 60 Hz 0 to 600Vac V 50dB 40dB 3 3 3 RESISTANCE AND CONTINUITY MEASUREMENT Quantities of...

Page 26: ...measurements at a test voltage UN 100V and R 100 kΩ at the rate of one measurement per minute 3 000 5 second continuity measurements at the rate of one measurement per minute 3 6 ENVIRONMENTAL CONDITIONS Indoor use Range of operation specified 20 to 55 C and 20 to 80 RH Range of storage without the batteries 30 to 80 C and 10 to 90 RH without condensation Altitude 2000m Degree of pollution 2 3 7 M...

Page 27: ...se the instrument again until it is completely dry 4 2 REPLACING THE BATTERIES When the symbol starts blinking on the display unit the batteries must all be replaced Disconnect the unit completely and turn the rotary switch to OFF Use a tool or a coin to turn the quarter turn screw of the battery compartment cover Remove the battery compartment cover Withdraw the batteries from the compartment Spe...

Page 28: ...the following cases Inappropriate use of the equipment or use with incompatible equipment Modifications made to the equipment without the explicit permission of the manufacturer s technical staff Work done on the device by a person not approved by the manufacturer Adaptation to a particular application not anticipated in the definition of the equipment or not indicated in the user s manual Damage ...

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Page 30: ... Fax 33 1 46 27 73 89 info chauvin arnoux com www chauvin arnoux com INTERNATIONAL Chauvin Arnoux Group Tél 33 1 44 85 44 38 Fax 33 1 46 27 95 69 Our international contacts www chauvin arnoux com contacts 694698A02 Ed 2 11 2015 Chauvin Arnoux All rights reserved and reproduction prohibited ...

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