Cropico DO7010 Low & Bonding Resistance Ohmmeter

DO7010

The DO7010 is a practical instrument for low resistance and bonding resistance measurement, ideal for use in the workshop, field or test facilities. It is of rugged construction, contained in a sealed case .

The DO7010 has many advanced features including, Auto ranging, Auto power off, Auto measure trigger when leads are connected to the DUT, data logging, replaceable battery pack, Hi-Lo limits , Graphics display with backlight, and built in test resistance for confidence check.

Rechargeable NiMhd batteries means real portability with more than 1000 readings from a single charge, to ensure that downtime is minimised the battery pack can be easily and quickly withdrawn from the front panel and replaced with a fully charged unit, battery charge indicators are provided.

A front panel socket provides a serial RS232 output which may connected direct to a PC or used with the optional remote terminal which will allow operation of the DO7010 up to 15 metres distance.

The DO7010 is supplied ready for use with batteries and mains charger and a variety of test lead configurations are offered. For special lead sets we offer a variety of different styles which are listed on the accessories page, together with calibration standards.

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Key Features

True 4 wire measurement eliminates lead resistance errors
4 ranges 6 milliohms to 6 ohms
Resolution 1 microhm on 6 millohm range
Graphics Display with backlight 3 languages
1 and 10 Amp measuring current even on the 600milliohm range
Forward and reverse current measurement
Auto average of forward and reverse measurement
True zero offset
Built in test resistor for confidence check
Data logging with up to 1000 readings stored with date and time stamp.
Hi-Lo limits with audible and visual warning
Automatic measurement trigger when leads are connected to DUT
Small size and light weight (< 9lbs.)
RS232 interface with option remote terminal to enable operation up to 15 metres distance.
Rechargeable NiMh batteries with charge indicator and easily replaceable battery pack

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Technical Specification

Measurement	4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage =5V dc.
Display	240 x 64 dot Graphics with backlight, 3 language selection
Ranges	4 ranges auto or manual selection
Battery	NiMhd battery pack that can be quickly and easily replaced with a fully charged unit. External charger
Terminals	The measurement leads are connected via Jaeger connectors
Working Temp	0...50°C rel. humidity 80% max. non-condensing
Storage Temp	-20...+50°C
Safety	Conforms to EN61010-1 Main Instrument Class 111(SELV) Battery Pack Class 111 (SELV) External mains charger Class 11
Dimensions	330 x 120 x 200 mm (W D H) approx.
Mass	8.8 lbs. (4 kg) approx.
Accessories	Supplied complete with battery pack and external charger, operating handbook, and calibration certificate.

Resistance Ranges

Range	Resolution	Typical Current	Accuracy @ 20°C ±5 °C, 1 year	Temperature Coefficient / °C
6 Ohm	1 mOhm	100 mA/1A	±(0.1% Rdg +0.1% FS)	40 ppm Rdg + 30 ppm FS
600 millOhm	100 microhm	1A/10A	±(0.1% Rdg +0.1% FS)	40 ppm Rdg + 30 ppm FS
60 mOhm	10 microhm	1A/10A	±(0.1% Rdg +0.1% FS)	40 ppm Rdg + 30 ppm FS
6 mOhm	1 microhm	1A/10A	±(0.1% Rdg +0.1% FS)	40 ppm Rdg + 30 ppm FS

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