- LED display for daylight viewing
- Mains / rechargeable battery operation
The DO7e is a practical low cost micro ohmmeter for low resistance measurement, ideal for utilities in the workshop, field or test facilities. This micro ohmmeter is of rugged construction, contained in a sealed ABS plastic case with lid and carrying handle.
The DO7e microhmmeter has many advanced features, digital calibration and long scale length, 6,000 count. The measuring ranges may be automatically or manually selected.
Automatic Power Off ensures maximum battery life. The internal charger will boost charge to 90% of full charge, switching automatically to a trickle maintenance charge.
Technical specification
Measurement - 4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage~5V dc
Display - 0.8" LED 6000 count with automatic decimal point and polarity indication
Ranges - 6 push button or auto selected with LED indication
Calibration - Digital, security code protected
Battery - Sealed lead acid, rechargeable cell. Internal charger with battery state indicator
Terminals - 6mm binding posts accept spade tags and 4mm banana plugs
Working Temp - 0...40°C rel. humidity 80% max. non-condensing
Storage Temp - -20...+50°C
Mains Supply - 10/230 Volts +10% -10% 47 - 63Hz 20VA
Safety - EN 61010-1
EMC - Complies with EN61326
Dimensions - 343 x 327 x 152mm (W D H) approx
Mass - 6kg approx
Accessories - Supplied complete with mains cord, measuring leads with Kelvin Clips, handbook, and calibration certificate