The series 4000 digital ohmmeters offer true portability without any sacrifice to accuracy or functionality. These ruggedly constructed instruments are housed in a stylish plastic case with an easy to use keyboard, the measured values are displayed in large LCD panel. Many advanced measurement features are included, Long scale length 4000 count, Auto average of forward and reverse current measurement, true zero of measured value and temperature compensation (model 4001). Rechargeable batteries with automatic power off ensures the best possible battery performance.

The series 4000 portable digital ohmmeters are a practical range of instruments for low resistance measurement, ideal for use in the workshop on site or in the laboratory. Constructed in a hand portable plastic case sealed to IP54 standard the series 4000 offers many advanced features, including auto reverse of measurement current, which eliminates errors due to thermal emf. A true zero button, which will allow the measurement to be set to zero. Protection up to 415Vrms at the measurement terminals and automatic temperature compensation (model 4001).

Range selection may be either automatic or manually selected, and the rechargeable battery pack is easily and quickly replaced with a spare unit, ensuring minimum measurement down time. To further enhance the battery life an automatic power off facility is incorporated.

The measured values are displayed in a large LCD screen with LED indicator lamps to show the measurement units and open circuit lead condition.

The 4000 series are delivered ready to use with battery pack, test leads, and calibration certificate.