Chauvin C.A 6505

Chauvin Arnoux authorised distributor and calibration house.

In its site-proof casing suitable for the severest measurement conditions, the CA 6505 megohmmeter offers you the best in insulation testing in terms of accuracy and expertise.

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Chauvin Arnoux


New product

£ 1,677 tax excl.

£ 1,973 tax excl.

- 15%


Buy a Chauvin C.A 6505 Megohmmeter and get a Chauvin C.A 5231 TRMS digital multimeter for FREE whilst stocks last (RRP £114). Offer may be withdrawn at any time.

The C.A 6505 megohmmeter is a portable instrument housed in a rugged field case with lid and operates on either battery or line power. It makes voltage, insulation, and capacitance measurements.

As soon as the switch is set to an insulation measurement position, the instrument automatically measures the presence of any AC/DC voltage. This voltage is measured at all times and indicated on the small display unit. The CA6505 automatically determines AC or DC: the AC measurement is an RMS value.

Insulation is sensitive to temperature and humidity variations. In addition, measurement is affected by the appearance of disturbance currents. To overcome these effects, long-term measurements must be performed and the PI and DAR coefficients must be calculated. They will then allow qualification of the insulants and their ageing.


Automatic voltage measurement,
Automatic detection of the presence of an external AC or DC voltage on the terminals.
Simple user interface,
Calculation of the PI and of the DAR.
Fuse protection of the instrument, with detection of a defective fuse.
Operator safety thanks to the automatic discharging of the device tested.
Automatic power-down of the instrument to extend battery life.
Indication of the battery charge condition.
Large backlit LCD display unit with many announciators for very easy reading.

Chauvin CA6505 Specifications:

  • Voltage ranges: Fixed 500, 1,000, 2,500, 5,000V DC or programmable from 40V to 5,100V DC.
  • Measurement range: 10 kΩ to 10 TΩ.
  • Programmable alarms: No.
  • Smoothing of display: No.
  • Calculation of ratios: DAR - PI.
  • Locking of test voltage: Yes.
  • Capacitance: 0.001 to 49.99 F.
  • Display: Giant LCD.
  • Backlighting: Yes.
  • Power supply: NiMh rechargeable battery.
  • Compliant with IEC 61557.
  • Protection IP53.
  • Dimensions: 270 x 250 x 180 mm.
  • Weight: 4.3 kg.
  • Chauvin Arnoux C.A6505 warranty: 1 year.

Includes: carrying bag, 2 m safety leads with a HV plug at each end (one red and one blue), 2 m guarded safety lead with a HV plug at one end and a HV plug with a rear pick-up jack at the other end (black), 0.35 m guarded safety lead with a HV plug at one end and a HV plug with a rear pick-up jack at the other end (blue), 3 alligator clips (red, blue and black), 1.80-m mains power lead, user manuals on CD-ROM.

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Chauvin C.A 6505

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