OM21-2C

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Prog Micro-ohmmeter/RS232/Battery

Prog Micrometer/RS232/Battery
High resolution: 0.1 μW
Programmable by RS232 or IEEE 488 link
High accuracy: 0.03%
Choice of current waveforms
Storage and analysis of 1 000 measurements

Applications:

Cable resistance and resistivity measurements: High resolution (0.1 μW), Compensation for sample temperature and thermal emfs, Display in W/km.
Metallisation and ground continuity measurements: GAM-EG13 standards, Pulsed or alternate current (10 A), Automatic compensation for thermal emfs.
Contact resistance measurements (connectors, switches, relays), Standard NFC 93050, DIN/IEC, Maximum measurement Voltage limited to 20 or 50 mV, Automatic compensation for thermal emfs.
Inductive resistance measurement (motors, transformers, etc.): Total protection against overvoltages, Direct current, Compensation for thermal emfs and for sample temperature, Automatic calculation of winding heating.
Measurement of heat-sensitive devices (thermistors, temperature-sensitive components): Single-shot, pulsed current, very low power delivered.

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List Price: $7,045.00

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Description

OM21-2C micro-ohmmeter with battery and charger is used for four-wire resistance measurement of very low values (with a resolution of 0.1 ohm)up to 20kohm, with an excellent accuracy It can be powered from mains or from rechargeable batteries. The instrument is calibrated electronically, with no internal adjustment needed.

Sample Product Number Configuration - OM21-2C

Manuals/Guides

Manufacturer Specs

General Specifications
Display	26 000 counts, 16-segment illuminated LCD, 11.5 mm high, alphanumeric characters for messages, measurement indication includes value and unit of measurement. Incorrect connections or measurements going beyond range are indicated by an error message. Manual or automatic range change. Manual or automatic measurement triggering, with measurement rate programmable from one measurement per second to one per hour. Four-wire measurement.
Measurement current	Amplitude selection (from 100 μA to 10 A) Waveform selection continuous, alternate pulses, positive pulses With each type of current, measurements can be single-shot or repetitive (possibility to select the repetition rate) Current may also be supplied from an external source.
Measurement time	< 1 second in continuous mode < 1.5 second in pulsed mode < 2 seconds in alternating pulsed mode.
Protection	Electronic protection against break-off currents when measuring an inductive resistance Possibility of limiting the voltage across the resistor terminals to 20 or 50 mV.
Nominal operating range	0 to 50°C, 20 to 75% relative humidity.
Operating range limits	-10 to 55°C, 10 to 80% relative humidity.
Power supply	110/220 VAC ± 10%, 50/60 Hz optional battery with built-in charger.
Presentation	Bench unit with optional rack mounting kit.
Dimensions	225 x 88 x 300 mm.
Weight	2 to 3 kg depending on options.