Megger 6231-592 Test Lead Kit, CAT IV

LT310 & 320 Non Tripping Loop Tester Accessories

Two non-tripping loop impedance testers that comply with EN61557 part 3 for testing, measureing or monotoring of protective measures

RCDs rated 30mA or greater are not tripped, even electronic RCDs
3-wire low current non tripping loop test measure 0.01Ω to 2kΩ (autoranging) with resolution 0.01Ω up to 10Ω
Two wire high -current test is selctable where RCD connection is not an issue
1A to 23kA prospective fault current (PSCC) display
LED indication of correct supply and test lead connection
3-phase safe - will not be damaged if connected across phases
100V to 280V suitable for single-phase testing
Supply voltage measurement range
Clear 20mm high digit LCD display with analogue arc bargraph
Tough rubber armoured case with self contained cover that locks away underneath the instrument during use
Designed to hang comfortably around the neck when in "hands free" use
Easy-to-use with colour coded ranges to help in the test range selection
Safety input terminal interlock - prevents unsafe connection of test leads
Safety lockout prevents the test from operating when the circuit voltage is >280V (LT310) or >480V (LT320)
Meets the requirements of BSEN 61010-1 for safe connection t a 440V Installation Category III supply (300V Phase to Earth)
Weatherproof to IP54

LT320 model additional features:

50V to 480V operating range allows single and three-phase testing
25Hz to 450Hz frequency measurement range
Phase rotation indicator
Max Zs display
R1+R2 is calculated and displayed
Backlit display and range selection ideal for low light environments

Supplied with

Instructions, mains plug test leads, 3-wire test lead set with crocodile clips, 8 x AA alkaline batteries, neck strap.