AOIP OM16 Onsite 10 A Micro-Ohmmeter For Inductive And Non-Inductive Resistance

Features

  • Test current: 1 mA to 10 A
  •  4-wire measurement
  •  Auto power-off of current
  • Continuous measurement current for inductive loads: Coils, transformers, motor windings, twisted cables
  •  Pulse measurement current for non-selfic resistances: Earth bonding, ground continuity, contact resistances, non-twisted cable
  •  Automatic compensation of thermal E.M.F.
  • Temperature compensation
  •  Metal temperature compensation
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AOIP OM16 is built for both indoor and outdoor field use. It conducts 4-wire measurements of inductive and non-inductive resistances using continuous, pulse, or AC measuring current, reaching up to 10 A. With high accuracy at 0.05% and resolution at 0.1 µΩ, it covers a wide range of resistances from 5 mΩ to 2.5 KΩ.

All parameters are user-programmable, either using the instrument interface or through the optional Log OM software. These include parameters like measuring current, range, units, alarms, automatic averaging, and absolute auto-zero. Before every measurement, EMFs are automatically measured and eliminated to enhance measurement accuracy. When measuring non-inductive resistances, only one operator is needed as the measurement is automatically triggered once continuity is detected between the two points.

Users can adjust the metal type or its temperature coefficient, along with setting the reference and ambient temperatures. The ambient temperature can also be measured using an external probe. Additionally, two programmable alarm thresholds can alert users through signals on the screen, lights, or a loud beeper.

The large interactive display of OM 16 informs in real time the operator about the type of measurement, range, calculation conditions and threshold values. It runs on batteries and can store up to 1,000 measurements, which can be viewed on the display or downloaded using Log OM software or an optional printer. It provides protection up to 250 V at each measurement terminal, and LEDs and messages alert the user to any overrange, open circuit, or low battery situations.

Easy-to-use, rugged and protected agains rough environment (IP 53 when opened, IP 64 when closed), OM 16 is widely used indoors and outdoors in many industries:

  • Aerospace
  • Energy field
  • Domestic electrical appliances
  • Cable manufacturing
  • Telecommunication
  • Electronics
  • Automotive industry
  • Railway

Specification

Size L x W x H 270 x 250 x 180 mm
Weight 4 kg
Supply 100 to 240 V (50 / 60 Hz)
Batteries (option) Type: Ni/Mh 8.5 Ah
Charging time: 5 h
Battery life: 5,000 measurements at 10 A
Communication ports RS 232
Storage capacity 1,000 measurements identified by numbers
Memory reading directly on the display, via software or printer
Reference range 23°C ± 5°C (RH: 45 to 75 % w/o condensing)
Operating reference range 0 to 50°C (RH: 20 to 75 % w/o condensing)
Limit operating range -10°C to +55°C (RH: 10 to 80 % w/o condensing)
Storage temperature limits -40°C to +60°C
IP protection IP53 according to EN60529
Protections • Electronic protection up to 250 V for ‘voltage’ wires
• Fuse protection for ‘current’ wires
• Protection against ‘current’ circuit breaking during inductive resistance measurements
Class In accordance with EN 61010-1
Category II, pollution 2
Rated voltage 60 V
Chocks and vibrations EN61010-1
EMC conformity Immunity
• EN 61000-4-2
• EN 61000-4-3
• EN 61000-4-5
• EN 61000-4-6
• EN 61000-4-11EN 61000-4-4
Conducted and radiated emissions:
• EN 55022, class B
• EN 61000-3-2
• EN 61000-3-3

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AOIP OM 16 Onsite 10 A micro-ohmmeter for inductive and non-inductive resistance-DpstarGroup

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