Gossen MetraWatt METRAOHM 413 Quick Start Manual

Gossen MetraWatt METRAOHM 413 Quick Start Manual

Low-resistance ohmmeter

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413
METRAOHM⏐
Low-Resistance Ohmmeter
Handy measuring instrument per VDE 0413 part 4 / EN 61557-1 / -4
Large measuring range from 0.01 to 1999 kΩ
Measurement cable zero balancing
Compact and durable
For rugged service calls and laboratory use
Overvoltage protection
Protects the instrument in the event of inadvertent connection
to mains voltage
Indication of interference voltage
IP 65 protection

Applications

413
The METRAOHM
is a battery powered instrument for the mea-
surement of low-value resistances in electrical systems.
Large protective conductor, earthing, equipotential bonding and
lightning protection systems can also be tested quickly and safely
with the METRAOHM 413. Resistance is measured between
reference earth (e.g. an equipotential bonding strip) and any
desired points to this end.
A measuring current of 200 mA and automatic functions assure
reliable measuring results.
Adjustment of shunts in instrumentation applications
Testing of electrical connections at busbars in open-pit
mining, in industry and in household applications
Testing of cable resistance, wiring, shunt resistors in printed
circuit boards and thick-film circuits
Measurement of contact resistance in relays, power
contactors and load interrupters
Measurement of fuse resistance, as well as cable resistance in
heavy current circuits
Testing of coil resistance in transformers, coils, small motors
etc.
GMC-I Messtechnik GmbH

Description

Easy Operation

Operation is very easy. Measurement cables of almost any length
can be used thanks to the offset balancing function.
Measurement polarity can be reversed, and both measured
values are stored to memory for subsequent comparison.
Resultant deviations in the measuring results (e.g. possible
galvanic voltages) can thus be recognized.

Offset Balancing

Offset balancing compensates for measurement cable resistance.
The offset value is saved to memory and is utilized for all future
measurements until balancing is performed once again. The value
remains in memory, even after the measuring instrument has
been switched off.
A variety of measurement cables with resistances of up to 3.5 Ω
can be used.

Protection Against Operator Error

413
The METRAOHM
is protected against inadvertent connection
to devices under test with fault voltages of up to 500 V by means
of protective devices.

Interference Voltage Warning

Interference voltage is indicated visually with a red LED, and
audibly with an acoustic warning signal. The voltage value is
displayed at the LCD as well, as long as the test probe makes
contact.
3-348-810-03
6/7.15

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Summary of Contents for Gossen MetraWatt METRAOHM 413

  • Page 1 Measurement polarity can be reversed, and both measured with the METRAOHM 413. Resistance is measured between values are stored to memory for subsequent comparison. reference earth (e.g. an equipotential bonding strip) and any Resultant deviations in the measuring results (e.g.
  • Page 2: Electrical Safety

    METRAOHM⏐ Low-Resistance Ohmmeter Applicable Regulations and Standards Electrical Safety Safety class II per IEC 61010-1 IEC 61010–1 Safety requirements for electrical equipment DIN EN 61010–1 for measurement, control and laboratory use Test voltage 3.2 kV VDE 0411 Part 1 Part 1: General requirements Measuring category CAT II 600 V, CAT III 300 V EN 61557-1 / -4 /...
  • Page 3 METRAOHM⏐ Low-Resistance Ohmmeter Accessories Order Information Designation Type Article Number TR25 Reel with Measurement Cable Low-Resistance Ohmmeter METRAOHM M630A Reel with 25 m Reel with 25 m Measurement Cable TR25 GTZ3303000R0001 measurement cable. Cable ends are equipped with banana plugs. Drum with 50 m Measurement Cable TR50 GTY1040014E34...
  • Page 4 METRAOHM⏐ Low-Resistance Ohmmeter Edited in Germany • Subject to change without notice • A pdf version is available on the internet PHone +49 911 8602-111 GMC-I Messtechnik GmbH +49 911 8602-777 Südwestpark 15 E-Mail info@gossenmetrawatt.com 90449 Nürnberg • Germany www.gossenmetrawatt.com...

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