Digital microhmmeter DO4002

portable

- 1A Test Current - 1 Micro Ohm Resolution The DO4002 digital microhmmeter offers true portability without any sacrifice to accuracy or functionality. This micro ohmmeter is a ruggedly constructed instrument is housed in a stylish plastic case with easy to use keyboard. The measured values are displayed on a large LCD screen which allows for ease of viewing. Automatic or manual range selection is available and many advanced features are included. Technical specification Measurement - Default Spec Value4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage approx. 5V dc. Display - 15mm LCD 4,000 count with automatic decimal point and polarity indication Ranges - 6 Ranges with automatic or manual selection Auto Zero - Permits the automatic zero of amplifiers and external circuits eliminating errors due to thermal emf. Calibration - Digital Battery - 5 AA size manganese Alkaline supplied with unit. Rechargeable battery pack option includes 5 AA size Ni/Mhd, housed in removable cassette plus docking station and charger. Automatic Power OFF ensures maximum battery life Temperature Compensation - The model 4002 also includes temperature compensation which references the measurement to an ambient temperature of 20 Deg.C. Coefficients for copper and aluminium are pre programmed and a user coefficient facility enables coefficients for any material to be entered. Temperature Measurement - The Model 4002 also include temperature measurement over the range -50...+800 Deg C. Using a Pt100 temperature probe which may be ordered as an option.