Cropico DO5002 Low Current Digital Micro Ohmmeter

Digital Microhmmeter DO5002 Low Current Resistance Measurement

The model 5002 digital micro ohmmeter offers all the features of the standard DO5000 ohmmeter but with lower measuring current. The bottom two ranges are disabled in this model. The DO5002 is particularly suited to the measurement of switch contact resistances.

Open circuit voltage ~ 5V dc with Limit options for 20mV and 50mV

With all the functionality of the standard DO5000 but with limited measuring current and the ability to limit the open circuit voltage to either 20mV or 50mV.

This model has been primarily developed to satisfy those applications where open circuit voltage and the measuring current needs to be limited. A typical application is for the measurement of switch contact resistance to conform to standards such as NFC93050.

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Key Features

Low current digital micro ohmmeter
The resolution is 200 mohm to 30Kohm
Measuring current is 10 Amps
Programmable Hi/Lo limits
Automatic Temperature Compensation
Digital Calibration
Data Logging store up to 4000 readings
High Accuracy ±0.03% Large LCD Display
Forward and reverse measuring current
Fast Measuring Mode at 50 measurements/second
Open Circuit Voltage Limit can be set to 20 or 50mV
RS232 and IEEE-488 interfaces

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Cropico DataLogger

Technical Specification

Measurement	4 wire eliminates lead resistance
Display	LCD Graphics panel with backlight 30000 count
Ranges	Manual / Automatic
Auto Zero	Value Average Hold
Systems Interface	RS232 fitted as standard, IEEE-488, PLC option
Terminals	4 mm safety sockets
Working Temperature	0°C ... 45 °C
Storage Temperature	-10°C...+60 °C
Mains Supply	230 V ±10%, 115 V ±10% 47...63Hz
Safety	IEC 1010 Class 1
Dimensions	339 x 324 x 131 mm (W D H)
Weight	23 lbs. (10.5 kg) approx
Accessories	Supplied with RS232 interface, mains cord, handbook and certificate of conformity

Resistance Ranges

Range	Resolution	Min. Current	Max. Current	Accuracy at full rated current
30 kOhm	1 Ohm	10 mA	100 mA	±(0.03% Rdg +0.02% FS)
3 kOhm	100 mOhm	100 mA	1mA	±(0.03% Rdg +0.01% FS)
300 Ohm	10 mOhm	1 mA	10mA	±(0.03% Rdg +0.01% FS)
30 Ohm	1 mOhm	10 mA	100mA	±(0.03% Rdg +0.01% FS)
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