Chauvin Arnoux C.A 5275 User Manual
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Chauvin Arnoux C.A 5275 User Manual

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C.A 5275
AC+DC TRMS MULTIMETER
ENGLISH
User's manual

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Summary of Contents for Chauvin Arnoux C.A 5275

  • Page 1 C.A 5275 AC+DC TRMS MULTIMETER ENGLISH User’s manual...
  • Page 2 E.g. Measurement on equipment installed upstream of the main fuse or building installation cut-off switch . You have just purchased a C.A 5275 multimeter and we thank you for your confidence in our products. To obtain the best service from your instrument: Read these instructions carefully;...

  • Page 3: Table Of Contents

    CONTENTS 1. OVERVIEW ................................. 4 The display ............................4 1.2. The keys ..............................6 1.3. The switch .............................. 6 1.4. The terminals ............................7 2. Use ..................................7 First use ..............................7 Starting up the multimeter ........................7 Turning off the multimeter ........................7 The stand ...............................

  • Page 4: Overview

    1. OVERVIEW The C.A 5275 is a stand-alone portable digital multimeter specially designed to combine all the functions for measurement of the following electrical quantities in a single instrument: AC voltage measurement with low input impedance (voltage measurements for electrical and electrical engineering...
  • Page 5 1.1.1 The display symbols Symbols Description Measurement of the AC signal Measurement of the DC signal AC + DC Measurement of the AC and DC signal AUTO Auto-ranging HOLD Memorisation and display of memorised values Maximum RMS value Minimum RMS value .run r.un ru.n Capacitance meter, acquisition in progress -----...

  • Page 6: The Keys

    1.2. The keys The keyboard has four keys: MODE AC/DC/AC+DC, RANGE, MAX/MIN and HOLD. These are the keys: Figure 2: the keyboard keys N°. Function Selection of the display mode. Selection of the measurement scale and activation/deactivation of the screen backlighting ( Activation of the MAX/MIN mode Memorisation of the values and display mode Activation or deactivation of the automatic instrument shut-down...

  • Page 7: The Terminals

    1.4. The terminals These are the multimeter terminals: N°. Input 6 A, 10 A current 20 µA, 6000 µA, 60 mA, 600 mA current Other measurements Common Figure 4: the terminals The terminals can be used to carry out the measurements using test-probe leads shipped with the instrument. The connection principles are described in paragraph 3.

  • Page 8: Functions

    3. FUNCTIONS 3.1 Switch functions To access the , or function, turn the switch to the selected function position. Every position (except OFF) is confirmed by a beep. 3.1.1 Measurement types Below are the possible combinations depending on the type of measurement: Measurement types Max / Min Auto / Range...
  • Page 9 To measure a voltage, proceed as follows: 1. Set the switch to 2. Select the type of signal (AC, DC or AC+DC) by pressing Depending on your selection, the screen will display AC, DC or AC+DC 3. Connect the black lead to the COM terminal and the red lead to "+"; 4.
  • Page 10 3.1.4 Resistance measurement To measure the resistance, proceed as follows: 1. Set the switch to 2. Connect the black lead to the COM terminal and the red lead to "+"; 3. Place the test probes on the terminals of the component; Remark: all resistance measurements must be performed with the power off.
  • Page 11 3.1.6 Diode test To measure and check a semiconductor junction, proceed as follows: 1. Set the switch to 2. Press twice on . The symbol is displayed; 3. Connect the black lead to the COM terminal and the red lead to "+"; 4.
  • Page 12 3.1.8 Current measurement To measure the current: Measurement in 1. Set the switch to 2. Select the type of signal (AC, DC or AC+DC) by pressing . Depending on your selection, the screen will display AC, DC or AC+DC 3. Connect the black lead to the COM terminal and the red lead to "µmA"; 4.
  • Page 13 Detection of fuse tripping - or meltdown: If the fuse has melted, the circuit between COM and the 10 A socket is cut. The display shows zero. Set the switch to Ω. Connect the V socket to the 10 A socket (see above); leave the "COM" socket free. The display should show a result <...

  • Page 14: Key Functions

    3.2 Key functions The functions: , can be accessed by pressing a key repeatedly, using short or long presses. The long-press function is shown by the pictogram under the key. The functions are not exclusive, they can be combined. It is therefore possible to have min/max.
  • Page 15 3.2.2 This key is used to manually select a measurement range or to activate the screen backlighting. The range defines the maximum range for measurements performed with the instrument. Remark: the Auto Range mode is activated by default. • In normal mode Type of press Resulting action short...
  • Page 16 3.2.3 This key displays the MAX, MIN modes. Max and Min fill in the highest and lowest values of the RMS measurement. • In normal mode Type of press Resulting action enters the MAX/MIN mode. Note that is displayed short in permanent operation.
  • Page 17 3.2.4 This key is used to memorise the measurements and quantities or to deactivate the automatic power-off function on the instrument. • In normal mode Type of press Resulting action memorises a measurement status at a given moment and then short makes it possible to view them successively on the display.
  • Page 18 • mode Type of press Resulting action short freezes the display of each MAX, MIN quantity displayed. MAX, MIN, acquisition continues in the background. This is indicated by blinking of the MAX, MIN symbols. If you press a second time, you quit the mode .

  • Page 19: Specifications

    4. SPECIFICATIONS 4.1 Reference conditions Influencing quantities: Reference conditions Temperature 23° C ± 5° C Relative humidity 45 % to 75 % Power supply voltage 9 V ± 1 V Frequency domain of the applied signal 40 Hz to 1 kHz Absence of electric field NB: below, the accuracy is given as X % of the reading (R) ±...
  • Page 20 4.2.2 AC voltages AC position LowZ The bandwidth is reduced to 300 Hz - 3 dB. In V , and there is no 60 mV scale. Frequency measurement is performed in LowZ the same way as the voltage measurement: with a bandwidth of 300 Hz Additional Specified measurement Input...
  • Page 21 4.2.3 AC+DC voltage 60 mV range: The measurement of high currents or over a long period can cause certain components to heat. In this case, a certain waiting time is needed to return to the specified metrological conditions. It is possible to check whether the offset has returned to an acceptable value by short-circuiting the + and COM terminals.
  • Page 22 4.2.5 Resistance Special reference conditions: the input (+, COM) must not have been overloaded following the accidental application of voltage on the input terminals when the switch is on the Ω or T ° position. If this is the case, the return to normal can take about ten minutes.
  • Page 23 4.2.9 Capacitance Display range 6 nF 60 nF 600 nF 6 µF 60 µF 600 µF 6 mF 60 mF Specified measurement 0.1-6.000 nF 0-60.00 nF 0-600.0 nF 0-6.000 µF 0-60.00 µF 0-600.0 µF 0-6.000 mF 0-60.00 mF range Incertainty (±) * 2% R +15 D 1% R + 8 D 1% R + 5 D 1% R + 5 D 1% R + 5 D 3% R + 5 D 4% R + 5 D 6% R + 5 D Resolution 0.001 nF 0.01 nF...
  • Page 24 4.2.11 AC currents μ/mA AC True RMS Specified Voltage Range Resolution Uncertainty ( Crest factor Protection ± measurement range drop 40 Hz to 1 kHz 2.6 at 6 000 µA 600 - 6000 µA 1 µA 25 mV / mA 1.2 % R + 5 D 5 mA Fast fuse...
  • Page 25 10A AC+DC Warning the sum of AC + DC must never exceed the 6 A or 10 A range. Specified AC Uncertainty measurement Uncertainty Range Resolution (±) Crest factor Voltage drop Protection range (±) 40 Hz to 1 kHz 0.001 A 0.6 to 6 A 1.2 % R + 10 D 2.8 at 5 A...

  • Page 26: Operating Conditions

    4.3 Operating conditions Operating conditions in use in storage Temperature -10° C to 50° C -20° C to 70° C Relative humidity (RH) 80 % RH at 50° C 90 % RH ( 45° C) ≤ ≤ 4.4 Construction specifications rigid case with yellow, elastomer thermo-adhesive over-moulding LCD Display Screen...

  • Page 27: Compliance With International Standards

    4.6 Compliance with international standards Electrical safety Application of safety rules in compliance with standards NF EN 61010-1 + NF EN 61010-2-030 1000V, CAT III - 600V CAT IV, pollution level 2, double insulation. Electromagnetic compatibility Compliance with the NF EN 61326-1 and NF EN 61326-2-2 standards Emission: class B Immunity:...

  • Page 28: Variations In The Field Of Use

    4.7 Variations in the operating range Influencing quantity Typical Range of Influence Influenced quantity influence < Battery voltage 7.5 V to 10 V 0.2 % R + 1 D 0.01 % R ± 0.2 D / 1° C V DC mV 0.02 % R ±...

  • Page 29: Maintenance

    Like all measuring or testing devices, the instrument must be checked regularly. This instrument should be checked at least once a year. For checking and calibration, contact one of our accredited metrology laboratories (information and contact details available on request), at our Chauvin Arnoux subsidiary or the branch in your country.

  • Page 30: Warranty

    An adaptation for a specific application not specified in the definition of the equipment or not indicated in the operating instructions; Damage due to shocks, falls or flooding. 7. TO ORDER The C.A 5275 The multimeter is delivered with: • Operating instructions on CD ROM in 5 languages •...
  • Page 31 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: (508) 698-2118...

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