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Related Manuals for Chauvin Arnox C.A 6543
Summary of Contents for Chauvin Arnox C.A 6543
- Page 1 C.A 6541 Mégohmmètres Megohmmeters Megohmmeter C.A 6543 Megaohmmetri Megaóhmetros F R A N Ç A I S Notice de fonctionnement E N G L I S H User's manual D E U T S C H Bedienungsanleitung I T A L I A N O Libretto d’Istruzioni...
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Page 2: Safety Precautions
The voltage of parts indicated with this symbol can be ≥ 120 V DC. For safety reasons, this symbol lights up on the LCD screen as soon as a voltage is generated. Thank you for purchasing a C.A 6541 or C.A 6543 megohmmeter. To get the best service from this instrument : read this user’s manual carefully... -
Page 3: Table Of Contents
6.1 RS 232 Specifications ......................49 6.2 Saving / recalling values ( MEM/MR button) ................. 49 6.3 Printing out measured values (PRINT/PRINT MEM button) (C.A 6543) ....... 52 6.4 Printing with the serial-to-parallel adapter ................54 7. SPECIFICATIONS .......................... 54 7.1 Reference conditions ...................... -
Page 4: Presentation
Megohmmeters Megohmmeters C.A 6541 and C.A 6543 are portable instruments, each housed in robust casing with lid and operating on batteries (C.A 6541), or on a rechargeable battery and the mains (C.A 6543). They can be used to measure :... - Page 5 “Megohm View” PC software (option for the C.A 6543) The PC software makes it possible to: - retrieve data from memory, to plot graphs of the changes in insulation as a function of the time over which the test voltage is applied, R (t), - to print out protocols of personalised tests depending on the user’s needs,...
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Page 6: Description
1 yellow START / STOP button: start/stop of the measurement 6 buttons (C.A 6541) or 8 buttons (C.A 6543) in elastomer, each with a first and a second function: Selection of the second function (in yellow italics below each button) -
Page 7: Display
Mains plug (direct operation on AC network/ battery recharge) RS 232 serial INTERFACE male plug (9 pin) for connection to a PC or printer Note : The battery compartment (C.A 6541) or the rechargeable battery compartment (C.A 6543) is situated inside the unit casing. - Page 8 During insulation measurement, the elapsed time or the output voltage is displayed. After recording a set of data (C.A 6543), the small display also indicates the time and date in MR (memory recall) mode. It also indicates the memory address with the OBJ. TEST number (see § 2.2.3.
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Page 9: Measurement Functions
3. MEASUREMENT FUNCTIONS AC / DC Voltage Select any insulation, resistance or continuity measurement position with the rotary selector switch and the device is automatically in AC / DC voltage measurement mode. The voltage is permanently measured and is shown on the small display. Proceeding with a measurement is prohibited if an external voltage is present at the terminals before pressing START / STOP. -
Page 10: Continuity (40 Ω ) / Resistance (400 Kω)
V-TIME button Main Small Small display Display display if the MR button is pressed (C.A 6543) Resistance duration (min. sec) date, time, test voltage, OBJ : TEST duration (min. sec) date, time, test voltage, OBJ : TEST duration (min. sec) -
Page 11: Special Functions
4. SPECIAL FUNCTIONS Button Use this button to select the second function activated by the buttons, it is always associated with the symbol. This symbol disappears upon pressing the function button chosen, except if the button is activated. In this case, it only disappears when the button is pressed again or if other function buttons are pressed. - Page 12 On these kinds of parts, measurement is disturbed at the beginning due to interference currents (from capacitive charges, dielectric absorption) which eventually cancel each other out. Therefore, in order to get an accurate measurement of the leakage current that is representative of the insulation, it is necessary to carry out the measurement over a long period of time so as to reduce the influence of any interference currents when measurement is commenced.
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Page 13: Alarm Button
SET-UP (the default value is 30 seconds). It is possible to save more than 20 samples, available processing memory space permitting. On the C.A 6543, the number of samples that can be saved is only limited by the read-write memory space available. -
Page 14: Smooth Button
/ SMOOTH Button First function Used to select the desired parameter to be modified – the selected parameter flashes. It is modified using the button (see § 4.6). Second function SMOOTH Used to activate a digital filter for insulation measurement. It only has an effect on the displayed values (which are smoothed) and not the actual measurements. - Page 15 Parameters Command button Display to modify main small symbols values Duration of 15 : 00 min. sec, 1 - 59 min “ time-controlled test” and 2 times for R-DAR-PI second time first time min : sec 00 : 59 PI calculation (10 min) (1 min) Time between interval...
- Page 16 4.7.1 Wiping the memory In SET-UP, press the MEM button: - The MEM symbol flashes - The small display indicates ALL - The main display indicates cLR To wipe the entire memory, press the MEM button again for 2 seconds: - The MEM symbol is displayed without flashing - The main display indicates FrEE To wipe the contents of a specific OBJ : TEST number:...
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Page 17: Use
4.7.5 Barring of insulation measurement This function prohibits insulation measurement from being carried out at certain test voltages. This makes it possible the entrust the instrument to less experienced operators, for specific applications for example (telephone ...). In SET-UP, press 5 times or more (depending on voltage to be barred): - The test voltages appear in succession on the small display with the button and On/OFF on the... -
Page 18: Continuity Measurement
The open circuit voltage is equal to the voltage of the battery (C.A 6541) or rechargeable battery voltage (C.A 6543). NOTE : the R-DAR-PI and V-TIME buttons are not active in this function. -
Page 19: Memory / Rs 232 (C.a 6543)
6. MEMORY / RS 232 (C.A 6543) RS 232 Specifications The signalling speed in Bauds can be set to 300, 600, 1200, 2400, 4800, 9600, or “Parallel” for the printing of results on parallel printers via the optional serial-to-parallel adapter. - Page 20 An object represents a ‘box’ into which we can place 99 tests. Thus, an object can represent a machine or an installation upon which a certain number of various measurements (insulation, resistance, continuity) are carried out. 1. When the button is pressed, the MEM symbol flashes and the small display indicates the first free OBJ : TEST number, e.g.
- Page 21 If a new is OBJ is selected, TEST is automatically set to the maximum memorised number. At this stage it is possible to consult the entire memory with the buttons, since the measurement values corresponding to the selected OBJ : TEST number are displayed on the main display.
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Page 22: Printing Out Measured Values (Print/Print Mem Button) (C.a 6543)
Printing out measured values (PRINT/PRINT MEM button) (C.A 6543) If you use a serial printer, choose the appropriate communication speed in the SET-UP menu, between 300...9600 bauds, then program the printer to the format run by the instrument (see § 6.1). - Page 23 Continuity or resistance measurement CHAUVIN ARNOUX C.A 6543 Instrument number : 000 001 CONTINUITY TEST or RESISTANCE TEST OBJECT : 01 TEST : 01 (only printed in MR) Description: ........................Date : ......... 31.03.1998 Start time : ........14 : 55 Test current : ........
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Page 24: Printing With The Serial-To-Parallel Adapter
5. To start printing out values that haven’t been saved (immediate printing), press PRINT after a measurement. 6. To start printing out saved measurements, press the “PRINT MEM” button WARNING: This adapter is designed exclusively for use with the C.A 6543 and is not suitable for any other application. 7. SPECIFICATIONS... - Page 25 Accuracy : ±1% R ±3 cts, AC sinusoidal or DC voltage Input resistance : approx. 750 kΩ WARNING: This instrument is Cat III 600 V, according to EN 61010-1 + A2 (ed. 95). It shall not be connected to voltages > 600 V in relation to the earth. 7.2.2 Insulation resistance Method: Voltage-current method according to EN 61557-2 (ed.
- Page 26 100 V test voltage Resistance (k 250 V test voltage Resistance (k 500 V test voltage Resistance (k...
- Page 27 1000 V test voltage 1200 1000 1000 Resistance (k Typical settling time of the measurement as a function of the elements tested These values include the influences on the auto-range and supply voltage regulation system due to the charge of the capacitive component. Non-capacitive load Load with 1 µF capacitor 1 MΩ...
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Page 28: Power Supply
Power supply The device supply is via: - 8 x 1.5 V batteries, LR 14 (C.A 6541) - Rechargeables battery NiMh (C.A 6543) Recharge: 85 to 256 V / 50-60 Hz (electrical safety: 256 V Cat. III) Instrument C.A 6541 C.A 6543... -
Page 29: Mechanical Specifications
Temperature influence on measurement accuracy (for all functions) ±0.15 % per °C Altitude: < 2000 m Mechanical specifications Outside dimensions of casing (L x W x H): 240 x 185 x 110 mm Weight : approx. 3.4 kg Conformity to international standards Electrical safety according to: EN 61010-1 + A2 (ed. -
Page 30: Warranty
8.1.2 Recharging the battery (C.A 6543) If the symbol appears flashing, then it is necessary to recharge the battery. Connect the instrument to the mains AC network via the connector, charging starts automatically: bAt on the small display and CHrG on the main display, signifies fast charging in progress... -
Page 31: To Order
Set of 2 test probes (red + black) .................. P01.1018.55 Set of 3 x 3 m safety leads (red + blue + black guarded) ..........P01.2951.70 PC software (C.A 6543) ....................P01.1019.38 Serial printer (C.A 6543) ....................P01.1029.03 Serial-to-parallel adapter (C.A 6543) ................P01.1019.41 Spares : 3 x 1.5 m safety leads straight-straight (red + blue + black guarded ) ......