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AVO300 series digital multimeters from Megger

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article image AVO300 series digital multimeter

Available now from Megger , the AVO300 series of digital multimeters is tough and compact, designed for the contracting electrician but also suitable for a wide range of applications and users.

AVO300 digital multimeters offer a range of measurement modes for AC and DC applications, resistance and current measurement.

AVO300 series digital multimeters feature tough rubber armoured cases offering the maximum amount of protection from the extreme use found in modern industrial environments. They draw on extensive experience of Megger engineers in designing safe reliable instruments for the electrical industry.

Neither of the two instruments in the AVO300 series of digital multimeters are burdened with functions that never get used. This keeps the instruments simple to operate without the continued need to refer to the user manual.

Every measurement range of these digital multimeters is fully auto-ranging. The operator simply switches on the instrument and starts testing, leaving their hands free for holding probes, or hanging onto ladders.

The battery and fuse compartment of these digital multimeters are accessed by a separate cover on the back. This allows both battery and fuses to be replaced without opening the main instrument body, and if the meter is sealed with a calibration seal, the seal will not be broken which will invalidate the calibration.

The large LCD screen on these digital multimeters has a high contrast 31/2 digit display which is easily read from a distance. Additionally the AVO310 has a backlit LCD for use in poor lighting and a bar graph range showing the percentage of range used.

The Data hold function on these digtial multimeters allows a displayed result to be held on the display until needed, rather than trying to remember a measurement. The result will be held until the HOLD button is pressed again, or until the unit switches off.

When making current measurements the mode function allows the selection of AC or DC measurement.

The Max/Min function on the AVO310 digital multimeter freezes the maximum or minimum measured result on the screen. The display does not have to be continually watched to capture a momentary increase or fall in circuit voltage, resistance or current.

Both AC and DC voltage measurement is possible with these digital multimeters thanks to the auto ranging function that matches the voltage at the test probes. Voltage measurements up to 1000V are permitted without damage to the instrument.

Three ranges are also provided for current measurement of either AC or DC current from 0.1uA to 10A. Fused inputs protect both the user and the instrument in the case of excess current.

Resistance can be measured directly on the ohms range from 0ohms up to 1.999Mohms. A continuity buzzer range is also available for checking low resistance between two points. The buzzer sounds if the resistance is less than 50ohms (35ohms on the AVO310). Additionally a diode range exists for testing forward and reverse bias operation of transistors and diodes.

Additional features of AV0300 series digital multimeters from Megger include:

  • low battery indicator warns when batteries are low
  • auto-off function ensures no unnecessary battery wastage occurs
  • built-in rear stand provides both a bench stand for comfortable use on the bench
  • rear stand also extends round 180° to act as a hanging bracket.

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