DO4002 Ohmmeter
930139

Cropico DO4002

Ohmmeters


Cropico DO4000 Series Comparison

Features DO4000 DO4001 DO4002
True 4 terminal measurement eliminates lead resistance errors      
Measuring range from 40 milli ohm to 4 kilo ohm      
Measuring range from 4 milli ohm to 400 ohm      
10 micro ohm resolution      
1 micro ohm resolution      
True zero capabilities      
Digital Calibration      
Auto / Manual range selection      
Automatic temperature compensation      
Temperature measuring range -50 to +800°C      
Open circuit lead warning LED      
100mA measuring current      
1A measuring current      
Auto power off to maximise battery life      

Cropico 4002

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.


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Technical Specifications

Technical specification
MeasurementDefault Spec Value4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage approx. 5V dc.
Display15mm LCD 4,000 count with automatic decimal point and polarity indication
Ranges6 Ranges with automatic or manual selection
Auto ZeroPermits the automatic zero of amplifiers and external circuits eliminating errors due to thermal emf.
CalibrationDigital
Protection415 rms maximum at input terminals
Battery5 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 CompensationThe 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 MeasurementThe 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.
Terminals4mm safety sockets
Working Temperature0...40°C rel. humidity 80% max. non-condensing
Storage Temperature-20 ... +50°C.
Charger Mains Supply100/120/220/240 Volts +10% -13%. 47 ... 63Hz. 20VA
SafetyEN61010-1 EMC - EN61326
Dimensions215 x 130 x55mm (W H D)
Weight0.8kg
AccessoriesSupplied complete batteries, measuring leads with Kelvin Clips, handbook, and calibration certificate

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