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產品型號：Cropico DO7e
更新時間：2024-06-20

簡要描述：Cropico DO7e微歐計

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產品詳情

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, including protection up to 415 volts rms at the measuring terminals, 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

Cropico DO7e

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
Protection	415 rms maximum at input terminals
Battery	Sealed lead acid, rechargeable cell gives a minimum of 1 hour of continuous measurement on the lowest 10 amp ranges and 20 hours on all other ranges. 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% 47Þ63Hz 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

Resistance ranges

Range	Resolution	Typical Current	Accuracy @ 20°C ±5°C, 1 year	Temperature Coefficient / °C
600Ohm	100mOhm	1mA	±（0.25% Rdg +0.05% FS）	40 ppm Rdg + 30 ppm FS
60Ohm	10mOhm	10mA	±（0.25% Rdg +0.05% FS）	40 ppm Rdg + 30 ppm FS

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