AOIP OM22 Milliohmmeter Industrial Benchtop Micro-Ohmmeter – High Accuracy: 0.03 %

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.

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AOIP OM22 Milliohmmeter is designed for accurate 4-wire measurements of very low resistances up to 20 KΩ. It boasts exceptional accuracy at 0.03% and fine resolution of 0.1 µΩ. With 6 programs, it’s perfect for bench use in repetitive tasks. Its reliability and precision are enhanced by features like low temperature coefficient, automatic compensation of electromagnetic forces, and temperature compensation for metal nature and ambient temperature.

AOIP OM22 Milliohmmeter offers three measurement current options – continuous, pulsed, or alternating – ranging from 100 µA to 10 A. It’s highly versatile, covering a wide range of sectors and applications including cable resistance and resistivity measurement, inductive resistance measurement (such as motor coils and transformers), contact resistance measurement (like connectors and switches), testing low-power electrical components (such as fuses), and assessing devices responsive to temperature changes, metallization, grounding, and earth continuity.

AOIP OM 22 is a customizable device, perfect for test bench use. It offers 6 programmable configurations accessible through direct keys on the front panel. Each program allows users to set various parameters such as caliber, current, measurement timing, data storage, temperature compensation, units, alarms, and more. Programs can be adjusted using the included LOG OM software if needed.

The instrument can store up to 1000 measurement bursts, which can be viewed on its screen or on a PC using LOG OM. It operates on mains or rechargeable batteries and doesn’t need internal adjustment for electronic calibration.

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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