Vasu International

• Selectable test voltage from 250V, 500V, 1000V, 2500V, 5000V DC.
•  Insulation resistance measurement up to 1T
• Polarization index measurement facility 
• Short circuit current < 1.4 mA. approx
• AC/DC voltage measurement up to 600V
• Two programmable timers from 0 Sec to 99 minutes
• Pleasant LCD Backlight
• Internal rechargeable battery
• Safety – IP 54, CAT IV 600V, and CE conformity

• Rugged, compact advanced insulation resistance tester for electrical contractors and industrial and commercial electricians
• Automatically calculates Polarization Index and Dielectric Absorption Ratio
• Makes repetitive tests simple and easy with a Compare (Pass/Fail) function 

• A rugged, compact insulation resistance tester for residential and commercial electricians
• Performs insulation tests from 0.01 MΩ to 2000 MΩ
• Offers two insulation test voltages: 500 V and 1000 V
• Includes live circuit detection to prevent insulation test if voltage >30 V is detected
• Measures resistance from 0.01 Ω to 20.00 kΩ

• MEASURE EARTH VOLTAGE AND PERMITS EARTH RESISTANCE TEST
• 3½ DIGIT
• 1,999 COUNT
• LCD DISPLAY
• EXTERNAL POWER INPUT TERMINAL
• PORTABLE
• LOW BATTERY INDICATION
• OVER RANGE INDICATION
• body abs
• lead best 

DISPLAY : 3½ digit ( 1999 count )

Test of insulation voltage at 100/250/500/1000/2500/5000V

Range : .01Mohm to 200Gohm

with back light, Data hold, low battery indication 

• Single Person Hand Driven
• High Accuracy ± 1% FS
• Scale Length : 65mm (approx.)
• Cranking Speed : 120rpm (approx.)
• Steady and Accurate Readings
• Steady Output Voltage
• "Guard" Terminal to Prevent Errors Due to Surface Leakage

• 3½ Digit Insulation Tester with Backlight
• 1,999 Count
• Data Hold
• Auto Ranging
• 3 in 1 Insulation Resistance Phase Testing / Voltage Testing & Adaptor

• Uses both numerical and analogue bar graph representation of the test results
• It also allows users to carry out comparisons, polarisation index calculations and dielectric absorption calculations
• The AIT 501 is an autoranging device and will automatically choose the applicable range depending on the test

• Battery operation, anti-parallax mirror scale
• Power on or off switch for continuous measurement; Output high voltage LED indicator
• AC voltage measurement facility; Accuracy 5 percent indicated value
• Accessories: Test leads, carrying case, manual

Features:-
• Bargraph to display insulation resistance
• Displays the value of external AC voltage along with flashing symbols
• Auto null function to automatically subtract the test lead resistance before displaying the real continuity resistance value.
• Live circuit warning beeper
• Releasing the test button automatically discharges the charges stored in the circuit under test.
• 200mA continuity measuring current to IEC 61557.
• Minimum 1mA current on insulation tests to IEC 61557.