Industrial Benchtop Micro-ohmmeter – High accuracy: 0.03 % – AOIP OM22 Milliohmmeter

Features

The OM 22 table-top industrial micro-ohmmeter is intended for 4-wire measurement of very low resistance resistances up to 20 KΩ with an excellent maximum accuracy of 0.03% and a resolution of only 0.1 µΩ. Equipped with 6 programs, it is particularly suitable for use on a bench for the execution of repetitive measurement tasks. The reliability and the precision of the measurements is reinforced by the low temperature coefficient (10 ppm / ° C), the automatic compensation of the electromagnetic forces before each measurement carried out, the temperature compensation of the nature of the metal and the room temperature compensation.

Enquiry
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The OM 22 table micro-ohmmeter is intended for 4-wire measurement of very low resistance resistances up to 20 KΩ with an excellent maximum accuracy of 0.03% and a resolution of only 0.1 µΩ. Equipped with 6 programs, it is particularly suitable for use on a bench for the execution of repetitive measurement tasks. The reliability and the precision of the measurements is reinforced by the low temperature coefficient (10 ppm / ° C), the automatic compensation of the electromagnetic forces before each measurement carried out, the temperature compensation of the nature of the metal and the compensation of the ambient temperature. .

With three forms of measurement current available – continuous, pulsed or alternating – from 100 µA to 10 A and flexibility in start-up and sampling conditions, the OM 22 covers a wide range of activity sectors and applications : resistance and resistivity measurement of cables, measurement of inductive resistances (motor coils, transformers, etc.), measurement of contact resistance (connectors, switches, relays, etc.), test of low power electrical components (fuses, etc.) and devices reacting to temperature, metallization control / earthing / earth continuity.

The OM 22 is a personalized device, ideal for use on a test bench: it has 6 programmable configurations that the user will select according to his wishes thanks to the 6 direct access keys on the front panel. Each program is complete and makes it possible to define the caliber, the current (shape and value), the number of measurements per cycle with their timing, the storage of the measurements, the possible temperature compensation, the unit of measurement, the calculations temperature or in W / km, the value of the alarms, the maximum measurement voltage, the analog output, the measurement triggering conditions, etc. If necessary, the OM 22 programs can be modified using the software LOG OM delivered as standard.

Up to 1000 measurement bursts can be saved in the instrument’s memory and can be read on the device screen directly or on a PC via LOG OM. Used on mains or rechargeable batteries, the electronic calibration of the instrument does not require any internal adjustment.

Specification

Dimensions L x W x H 225 x 88 x 310 mm
Mass 2 to 3 kg depending on options
Screen 26,000-dot LCD, 16 illuminated segments 11.5 mm high
Food 115/230 V (50/60 Hz)
Battery with integrated charger (optional) Type: 12 V battery
Autonomy: 2 to 8 h depending on use
Charging time: 14 h
Communication interfaces • RS 232 as standard
• IEEE 488-2 optional
Allow the complete programming of the instrument, the exploitation of the measurements, the electronic calibration of the instrument
Memory 1000 measurements with average, minimum or maximum value
Memory read-back on the screen or operation by digital and analog interfaces
Reference area 23 ° C ± 1 ° C (45 to 75% RH non-condensing)
Nominal operating range 0 to 50 ° C (20 to 80% RH non-condensing)
Operating limit range -10 ° C to + 50 ° C (10 to 80% RH non-condensing)
Storage conditions – 30 ° C to + 55 ° C
(-15 ° C to + 50 ° C with charged battery)
Protection sign IP40 according to EN60529
Maximum altitude 2500 m
Protections •  Electronics on ‘voltage’ wires
•  By fuse on the ‘current’ wires
•  Against the opening of the ‘current’ circuit in measurement of inductive resistances
Classroom Complies with European standard EN 61010-1
Category III, pollution 2
Assignment voltage with respect to earth 50 V
Shock and vibration resistance EN61010-1
EMC compliance Immunity:
• EN 50082-1 / 1992Radiated emission and conduct:
• EN 55022, class B
• Radiated fields: IEC 801-3 / 1984
• Conducted disturbances: IEC 801-4 / 1988.
• Electrostatic discharges: IEC 801-2 / 1991

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AOIP OM 22 Industrial benchtop micro-ohmmeter – High accuracy 0.03 _-DpstarGroup

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