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Megger LTW335 Loop Tester
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.
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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.
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.
|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||-||-||-|
|AUTO Noise Detection|
|AUTO Start Loop Test|
|Max Zs 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|
|All accuracy statements are based on:|
|Ambient Temperature||23° ±2°C.|
|Nominal Voltage Source||230 V a.c ±1%.|
|(ac only)||50 V to 440 V.|
|Accuracy||±2% ±1 V.|
|Range||25 Hz to 99.99 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.|
Complies with the following parts of EN61577:
|E.M.C||In accordance with IEC61326-1.|
|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.|
|Weight||1000g ±10% excluding test leads.|
|Dimensions||203 x 148 x 78 mm.|
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|Lead Set||2 wire leadset with croc clips.||1001-976|
|LTW Case||Blow Moulded Case.||1007-167|