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SEFRAM MW 9040D User Manual

Digital insulation tester
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Summary of Contents for SEFRAM MW 9040D

  • Page 2 MW 9040D M 01...
  • Page 3 (2). Catégorie d’installation: CAT III 600V MW 9040D M 01...
  • Page 4 MW 9040D M 01...
  • Page 5 MW 9040D M 01...
  • Page 6 MAX. AC600V MW 9040D M 01...
  • Page 7 Gamme : 0-600V MW 9040D M 01...
  • Page 8 Protection : par fusible 0.5A / 600V (dimensions 5x20mm) Sécurité : IEC61010 CAT III – 600V MW 9040D M 01...
  • Page 9 (0.5A/600V – 5 x 20mm). MW 9040D M 01...
  • Page 11 MW9040D DIGITAL INSULATION TESTER INSTRUCTION MANUAL...
  • Page 12 INDEX PAGE 1. INSTRUMENT LAYOUT...... 1 2. INTRODUCTION ....... 2 3. SAFETY NOTES ........ 3 4. FEATURES ........4 5. MEASURING METHODS ....5-7 6. SPECIFICATIONS ......8-9 7. MAINTENANCE ......... 10-11...

  • Page 13: Instrument Layout

    1. INSTRUMENT LAYOUT TEST DISPLAY INDICATOR OUTPUT TERMINAL TEST DATA HOLD FUNCTION BUTTON BUTTON SWITCH...
  • Page 14 2. INTRODUCTION NOTE This meter has been designed and tested according to IEC/EN 61010-1, EN 61326-1 and other safety requirements for electronic measuring apparatus. Follow all warnings to ensure safe operation. WARNING READ “SAFETY NOTES” (NEXT PAGE) BEFORE USING THE METER.

  • Page 15: Safety Notes

    3. SAFETY NOTES ● Read the following safety information carefully before attempting to operate or service the meter. ● Use the meter only as specified in this manual otherwise the protection provided by the meter may be impaired. ● Rated environmental conditions (1) Indoor use. (2) Installation Category III. (3) Pollution Degree 2. (4) Altitude up to 2000 Meter. (5) Relative Humidity 80% Max.
  • Page 16 4. FEATURES ● 3½ Digit Insulation Tester. ● 68mm x 34mm (1.338" x 2.677") large LCD display. ● Three insulation test voltage: 250V, 500V, 1000VDC. ● Automatic circuit discharge. ● Test insulation at rated voltage into a 1 mA load. ● 200 mA resistance tests short circuit test current. ● AC voltage measurement. ● Fuse protection. ● Meet IEC/EN 61010-1 CAT III 600V, BS 16 edition. ● Data hold function. ● Backlight function.

  • Page 17: Measuring Methods

    5. MEASURING METHODS OPERATION CAUTION Observe all safety precautions when the FUNCTION switch is set to 250V, 500V, 1000V position. Connect the meter test leads to the circuit under test before operating the TEST button. Do not touch the clip ends of the test leads when the TEST button is pressed.
  • Page 18 ● Test Lead Resistance Tests Select the 200Ω range. Short the test leads together. An over-range ("1") indication means that the leads are faulty or instrument fuse is blown. (See "Fuse Replacement" section). ● Insulation Resistance Testing Warning: Insulation tests should be conducted on circuits that are de-energized. Ensure circuits are not live before commencing testing. ■ Select the required test voltage (250V, 500V or 1000V) by rotating the FUNCTION switch.
  • Page 19 Caution: Never turn the function dial while the button is depressed. This may damage the instrument. Never touch the circuit during insulation testing. When testing is complete, ensure the TEST button is released before the test leads are disconnected. This is because the system may be charged up and it must be allowed to discharge through the tester's internal discharge resistor.

  • Page 20: Specifications

    6.SPECIFICATIONS ● Insulation Resistance Auto range 20MΩ / 200MΩ / 2000MΩ 20MΩ Resolution: 1 count / 10kΩ Accuracy: ± 1.5% rdg ± 5 dgt 200MΩ Resolution: 1 count / 100kΩ Accuracy: ± 2.5% rdg ± 3 dgt 2000MΩ Resolution: 1 count / 1MΩ Accuracy: ± 5% rdg ± 5 dgt Output current 1mA DC min. at 0.25MΩ (250V range) 1mA DC min. at 0.5MΩ (500V range) 1mA DC min. at 1MΩ (1000V range) Power consumption: Max. consumption current Approximately: 120 mA ● AC Voltage Range...
  • Page 21 ● Withstand: Meet IEC-1010 safety requirements Category III ● Dimension: 175(L) x 85(W) x 75(H) mm ● Weight: Approx. 600g ( batteries included ) ● Standard Accessories Batteries 1.5V, size AA 8 pieces Test Leads 1 pair Fuse 500mA/600V 1 piece Instruction Manual 1 vol...

  • Page 22: Maintenance

    7.Maintenance Caution: Always disconnect the test leads from instrument before batteries or fuse. ● Batteries Replacement Please replace batteries when the "Battery Low" indicator is shown on the LCD. Disconnect the test leads from the instrument and remove the battery compartment lid and the batteries. Replace with eight 1.5V AA batteries, taking care to observe correct polarity.
  • Page 23 CAT IV - Is for measurements performed at the source of the low-voltage installation. CAT III - Is for measurements performed in the building installation. CAT II - Is for measurements performed on circuits directly connected to the low-voltage installation. Due to our policy of constant improvement and development, we reserve the right to change specifications without notice.
  • Page 24 SEFRAM 32, Rue Edouard Martel- BP 55 42009 SAINT-ETIENNE Cedex 2 Tel : 04 77 59 01 01 Web : www.sefram.com E-mail : sales@sefram.com...

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