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247000 Series

Digital Low Resistance Ohmmeters

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Resolution to 0.1 µΩ on 599.9 µΩ range

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Standard accuracy of ±0.25%

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Digital readout

247000 Series

Digital Low Resistance Ohmmeters

DESCRIPTION

Digital Low Resistance Ohmmeters (DLRO

) are a family of

highly accurate instruments that provide a simple, practical

and reliable means of making low-resistance tests in the

field. They also are ideal for production quality control.

They operate on the four-wire measurement principle, thus

eliminating lead and contact resistances. With basic

accuracies of ±0.25% and resolution down to 0.1 µΩ, they

are nonetheless designed to be rugged and portable for

use at the job site. A variety of optional test leads and

calibration resistance standards are offered for use with

DLROs.

APPLICATIONS

Operation is simple: just connect the leads, turn the

instrument on and read the measurement directly from

the digital LED display. No warm-up is required.

Typical applications include measuring the resistance of:

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Switch and circuit breaker contacts

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Transformers and generators

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Motor windings

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Busbar and other joints

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Aircraft, rail and pipe bonds

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Cable splices, welds and fuses

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Metal alloys

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Graphite electrodes and other composites

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Wire and cable

General-Purpose DLROs

Two models specially designed for general-purpose testing

applications are available.

Each provides up to 10 amperes of test current for

measuring resistances to 60 ohms with 1 µΩ resolution

and ±0.25% accuracy.

Dual-Pak General-Purpose Model, Cat No. 247000

This battery-powered unit features separate measuring and

charger modules for maximum portability. The charger can

be left in the shop, and the measuring module taken to

the job site.

It weighs less than 8 pounds (3.6 kg) and provides hours

of testing.

Single-Pak General-Purpose Model, Cat. No. 247001

This compact instrument packages measuring circuits,

rechargeable batteries and charger in one self-contained

unit.

Ruggedly built to handle the most demanding field

applications, the Single-Pak is housed in a tough Noryl

case with hinged, removable lid and carrying handle.

This model also includes captive wing nuts.

Single-Pak/Low-Range Model

Cat. No. 247002

This model provides an extra range, 0 to 599.9 µΩ, for

applications requiring 0.1 µΩ resolution. It also features a

current-reversing switch to average out any voltage offset

in the test sample. Captive wing nuts are also standard.

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247000 Series 1
ORDERING INFORMATION 4

Résumé du contenu

Page 1 - 247000 Series

247000 SeriesDigital Low Resistance Ohmmeters Resolution to 0.1 µΩ on 599.9 µΩ range Standard accuracy of ±0.25% Digital readout247000 SeriesDigital

Page 2

247000 SeriesDigital Low Resistance OhmmetersLow-Range/High-Current ModelsCat. No. 247100 and 247101These instruments are used when a continuous test

Page 3

Helical HandSpikes withSpring PointsHeavy-DutyFixed-PointHand SpikesReplaceableNeedle Points2 in. (5 cm)Heavy-DutyC-Clamps4 in. (10 cm)Heavy-DutyC-Cla

Page 4 - ORDERING INFORMATION

UK Archcliffe Road, DoverCT17 9EN England T (0) 1 304 502101 F (0) 1 304 207342UNITED STATES 4271 Bronze WayDallas, TX 75237-1019 USAT 1 800 723 28

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Atec Megger-247000 Series Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Équipement Atec Megger-247000 Series. Atec Megger-247000 Series User Manual Manuel d'utilisatio

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