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Megger LTW335 Loop Tester
  • Megger LTW335 Loop Tester
  • Megger LTW335 Loop Tester

Megger LTW335 Loop Tester

Megger approved distributor and service centre.

Includes: Megger LTW335 Earth Loop Tester, BS1363 to 3 x 4mm Socket Leadset, 2 Wire Leadset with Croc Clips, Schuko Plug Test Lead - EU-SC, AU/NZ Plug Test Lead - EU-AU, Hard Carry Case and User CD.

LTW335-EU-BS
Megger
£740.00
£577.20 Save 22%
Tax excluded
Quantity
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The Megger LTW335 is three-phase safe and category IV 300V rated, making it suitable for use on supplies from 50V to 300V AC single phase, as well as on 440V three-phase installations.

Megger Loop Impedance Testers use the latest digital processing techniques to separate the test signal from the fundamental frequency of the supply. This means the Megger LTW335 Loop Impedance Tester automatically averages a large number of results over the duration of the test. This enables non trip testing to be performed without DC injection, a technique which is, in any case, proving ineffective with electronic RCDs. The LTW335 includes facilities for storing and downloading test results.

FEATURES

2 Wire Non-tripping loop tester.
50 V to 440 V operation.
110 V centre-tap loop testing.
CATIV installation testing.
AUTO start - operation.
0.01 Ω resolution.

Megger LTW Summary Chart
Function LTW315 LTW325 LTW335 LTW425
2-Wire Non Tripping Loop Testing
2-Wire Fast Test (High Current)
110V to 280V Applications
50V to 440V Applications -
Phase to Phase Testing -
20KA PFC Range
40KA PFC Range - - -
0.01Ω Resolution
0.001Ω Resolution - - -
AUTO Noise Detection
AUTO Start Loop Test
Voltage Measurements
Frequency Measurements
Max Zs Display -
R2+R2 Display -
Backlit Display (White Light)
Built-In Front Cover (Foldaway)
IP54 Weatherproof Case
Accepts Rechargeable Batteries
Test Result Storage - - -
Downloading Test results - - -
Test Lead Set with Crocs
Mains Socket Test Lead
Full Calibration Certificate

Megger LTW335 Specifications
Accuracy
All accuracy statements are based on:
Ambient Temperature 23° ±2°C.
Nominal Voltage Source 230 V a.c ±1%.
Voltage Measurements
(ac only) 50 V to 440 V.
Accuracy ±2% ±1 V.
Frequency Measurements
Range 25 Hz to 99.99 Hz.
Accuracy ±0.1 Hz.
A warning will be shown if applied voltage exceeds 440 V.
Damage will occur if applied voltage exceeds 600 V rms.
Loop Testing Accuracy
±5% ±0.03 Ω @230 V a.c.
±10% ±0.03 Ω @100 V a.c and 300V a.c.
±15% ±0.03 Ω @50 V a.c.
No Trip Loop and High Current Loop Test
Source Voltage 50 V to 440 V (49 Hz to 50.1 Hz).
Display Range 0.01 to 2000 Ω.
Accuracy ±5% ± 0.03 Ω.
No Trip Loop Test Nominal Current 15 ma (at nominal 230 V a.c supply).
High Current Loop Test 4 A (at nominal 230 V a.c supply).
Operational Range 0.30 to 1000 Ω.
Prospective Fault Current (PFC)
Prospective Fault Current =Measured Source Voltage/Loop Resistance.
Maximum Range No Trip Mode: 20 KA.
Accuracy is derived from loop test and voltage measurement.
Safety

IEC 61010
Designed to IEC61010-1
Designed for 300 volts to Earth Category IV
with phase to phase voltages to 440V.
Fuse protected to 600 volts rms AC.

EN61557

Complies with the following parts of EN61577:
Electrical Safety in Low Voltage Systems up to
1000V ac and 1500V dc - Equipment for testing,
measuring or monitoring of protective measures:
Part 1: General Requirements.
Part 3 - Loop Resistance

E.M.C In accordance with IEC61326-1.
Power Supply
Battery 8 x 1.5V Cells IEC LR6 Type (AA Alkaline).
Rechargeable 8 x 1.2V NiCd or NIMH Cells.
Battery Life 2000 consecutive tests.
Mechanical
Weight 1000g ±10% excluding test leads.
Dimensions 203 x 148 x 78 mm.

Download

Megger LTW300 Series

PDF Specifications of the Megger LTW315, LTW325, LTW335 & the LTW425 Non-tripping Loop Testers.

Download (245.64k)

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Megger LTW335 Loop Tester
COMPONENT
DESCRIPTION PART No.
Lead Set 2 wire leadset with croc clips. 1001-976
LTW Case Blow Moulded Case. 1007-167

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