Linear Resistance Measurement Unit ResTest 90

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Product ID: 3777

Linear Resistance Measurement Unit ResTest 90

Product Overview

An ultra-high precision instrument for conductors up to 1000 mm2. Very easy to operate thanks to its quick release clamps and the integrated LED-monitoring system. The ResTest 90 is compatible with the AESA axial injection system.

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Categories: Conductor resistance measurement, Machinery, Equipment and Materials for Cable, Rod, Wire, Strand and Rope Manufacturing Industry, Measuring and test equipment for Cable, Rod, Strand and Rope

Description
Technical Specification

Description:

Quick-Release System:
- Designed for efficient and intensive use.
- Ensures uniform current distribution across all conductor wires.
- Crucial for achieving accurate and reproducible measurements.
Integrated Equipment:
- Simplifies usage.
- Manages all measurement uncertainties.
AESA Specification:
- Specifies overall measurement accuracy, rather than just the accuracy of the micro-ohmmeter.

Key Features:

Broad Measuring Range:
- High accuracy with fine wires and up to 1000 mm² (2000 MCM) conductors.
- Prepared for axial current injection option.
Adjustable Gripping System:
- Two manually adjustable clamping jaws allowing the tightening of each cable’s end individually.
Ideal for Various Conductors:
- Class 1 (rods & wires).
- Class 2 (stranded conductors).
- Class 5/6 (flexible conductors).
- Sector conductors.
Enhanced Comfort:
- LED monitoring system.
Ease of Use:
- Direct readings in Ω/km @20ºC.
- Push button or touchscreen interface.
- Embedded PC.
Overall Accuracy:
- Specifications relate to the entire measurement system, not just the instrument.

Measuring range	10 µΩ - 200 µΩ
Measuring length	1000 mm
Minimum sample length	2’500 mm / 99”
Sample Ø min	Ø 0.8 mm / 0.03” (0.5 mm²)
max	Ø 38 mm / 1.49” (1000 mm²)
	Copper	Aluminium
Accuracy (± 3 digits) Class 1	< 1000 mm² ± 0.1%	< 1000 mm² ± 0.1%
Class 2	< 1000 mm² ± 0.1%	< 35 mm² ± 0.1%
Sector	<1000 mm² ± 0.1%	< 95 mm² ± 0.2%
	<1000 mm² ± 0.1%	b) < 630 mm² ± 0.3%
	<1000 mm² ± 0.1%	b) < 1000 mm² ± 0.5%
Class 5&6	< 1000 mm² ± 0.1%	< 35 mm² ± 0.1%
	< 1000 mm² ± 0.1%	< 95 mm² ± 0.3%
		a) The conditions of the conductor are of increased importance and requiring special care.
		Therefore the accuracy is given as typical value.
		b) Requires the axial injection option.
Resolution	4 ½ digits
Display	State-of-the-art interface thanks to a 7” touchscreen
Operating mode	Simple (buttons) / Advanced (touch screen)
	Measuring ruler with all integrated components (temperature probes, voltage and current knives)
Consisting of	Embedded Metrology
	Embedded windows based PC
	ISO 17025 certificate
Supply voltage	100 - 240 VAC / 50-60Hz
Interfaces	2 x USB (e.g. for printer)
	1 x Display Port connector for external monitor
	2 x RJ45 for LAN connection
Dimensions	2580 x 220 x 465mm
Weight	≈30 kg