ELT-S Ground Loop Impedance Tester

Ground Loop Resistance Tester (0-440V)

The Seaward ELT-S is the next generation microprocessor-controlled instrument developed for earth loop resistance measurements. Ergonomically shaped for easy use and using the latest technology the instrument is the choice for professionals.

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Key Features

Performs voltage, frequence and net impedance measurements, phase rotation, prospective short circuit current and earth loop resistance.

Auto-off circuit switches the unit off 10 minutes after last usage.

Testing neutral to earth the unit does not trip due to the unique measuring principle.

Unique internal memory storing up to 500 test results.

Ability to download to conventional PC for analysis and storing.

Meets requirements of EN61557, the new European Standard.

Supplied with all necessary leads.

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Technical Specification

Voltage Measurement
Measuring
Range	0-440V
Resolution	1V
Accuracy	± 2% + 2 digits
Frequency Measurement
Measuring
Range	25 - 199.9 Hz,	Resolution 0.1 Hz
	200 - 500 Hz,	Resolution 1 Hz
Accuracy	± 0.1% + 1 digit
Net Impedance Phase- Neutral /Phase

Measuring
Range	0 - 19.99W	Resolution 0.01W
	20 - 199.9W)	Resolution 0.1W
	200 - 1999W	Resolution 1W
Accuracy	± 2% + 2 digits
Prospective Short Circuit
Measuring
Range	0.06 - 19.99 A,	Resolution 0.01A
	200 - 199.99 A	Resolution 0.1A
	200 - 1999 A	Resolution 1A
	200 - 19.99 kA	Resolution 10A

	20.0 - 40 kA	Resolution 100A
Accuracy	± 2% + 2 digits
Earth Loop Resistance
Measuring
Range	0 - 19.99W	Resolution 0.01W
	20.0 - 199.9W	Resolution 0.1W
	200 - 1999W	Resolution 1W
Accuracy	± 2% + 2 digits
General
Dimensions	110 x 65 x 290 mm
Display	31/2 digit LCD
Memory	500 memory locations
Communication	RS232 serial 4800 Baud

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