SEW 1851IN Insulation Tester

FEATURES

A LCD indicated instrument for Insulation ( M Ohm) , Continuity ( Ohm) and AC Voltage.
Three insulation test voltages ( DC) : 250V, 500V, 1000V.
3-1/ 2 digital LCD ( 2000 counts) .
68 x 34mm ( 1.338 " x 2.677 " ) large LCD display.
Automatic curcuit discharge.
Test insulation at rated voltage into a 1mA load.
200mA resistance tests short circuit test current.
External voltage warning indication.
Fuse protectin.
IEC/ EN 61010-1 CAT III 600V..
BS 16th edition.
WHY TEST IS NECESSARY ?
INSULATION
Every electrical apparatus and installation need to be safe for the user and for the equipment itself. Electrical conductors of electricity need to be insulated from each other, so that they do not create electrical hazard or unnecessary consumption.
Badly insulated circuits can create leakage current which can be dangerous and trip your GFCI, RCCB or ELCB. Each couontry regulate those levels at which the insulation is acceptable. Generally, insulation resistance measurements are done between each conductor and the earth, and between each conductors.
CONTINUITY
Checking the continuity of wires, complete circuits, connections, closure of contacts, circuit breakers, fuses, bonding resistance of connectinos, etc ... are all very important.

SPECIFICATIONS

INSULATION RESISTANCE
Test Voltage ( DC V) 250V/ 500V/ 1000V
Output Voltage Open Circuit Rated test voltage + 10%
Measuring Ranges 250V/ 500V : 0-200M Ohm, 1000V : 0-2000M Ohm
Output Current 1mA DC
Power Consumption Max. consumption current approx. 250mA
Accuracy 250V/ 500V : + / - ( 1.5% rdg+ 5dgt) , 1000V : + / - ( 3% rdg+ 3dgt) - under 1G Ohm/ 2000M Ohm, + / - ( 1.5% rdg+ 5dgt) - under 2G Ohm/ 2000M Ohm
CONTINUITY
Measuring Ranges 250V/ 500V : 0-20 Ohm, 1000V : 0-2K Ohm
Resolution 250V/ 500V : 0.1 Ohm, 1000V : 1 Ohm
Accuracy 250V/ 500V : + / - ( 1.5% rdg+ 5dgt) , 1000V : + / - ( 1.5% rdg+ 3dgt)
Buzzer Sound Below Under 10 Ohm
Open Circuit Terminal Voltage 4V DC min
Shot Circuit Terminal Current 200mA DC min
Power Consumption Max. consumption current approx. 160mA
AC VOLTAGE
AC Voltage Range 0-600V
Resolution 1V
Line Frequency Range 40-120Hz
Accuracy + / - ( 1.5% rdg+ 3dgt)
Dimension 170( L) x 165( W) x 92( D) mm with housing front cover
Weight approx. 1040g ( battery included)
Accessories 1.5V ( SUM-3) x 8 type AA
Power Source Test leads, fuse ( 05.A 250V) , shoulder belt, carrying case, instruction manual, batteries

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