Home » Products - Insulation Testers
• Bargraph to display insulation resistance.
• Displays the value of external AC voltage along with flashing symbol.
• 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.
• Bargraph to display insulation resistance.
• Displays the value of external AC voltage along with flashing symbol.
• Auto null function to automatically subtract the test lead resistance before displaying the real continuity resistance value.
• Trac-Lok mode to conserve battery life on insulation and continuity tests.
• Live circuit warning beeper.
• Releasing the test button automatically discharges the charges stored in the circuit under test.
• Backlight function to view the test results in dimly lit areas.
• 200mA continuity measuring current to IEC 61557.
• Minimum 1mA current on insulation tests to IEC 61557.
• Fast response and quick insulation test.
• 3 functions in one unit, insulation test with 4 voltage ranges,
continuity test, AC voltage measurement
• 200mA measuring current on continuity testing
• Comparator function with PASS / FAIL and buzzer
• 0Ω adjustment at continuity measuring range
• Memory function up to 99 data
• Backlight LCD provides easy reading in dark locations
• Safety lock system prevents an erroneous operation
on 500 and 1000 Volt ranges
• Safety standard IEC 61010-01 CAT III 600V
• Fast response and quick insulation test.
• 3 functions in one unit, insulation test with 4 voltage ranges,
continuity test, AC voltage measurement
• 200mA measuring current on continuity testing
• Comparator function with PASS / FAIL and buzzer
• 0Ω adjustment at continuity measuring range
• Memory function up to 99 data
• Backlight LCD provides easy reading in dark locations
• Safety lock system prevents an erroneous operation
on 500 and 1000 Volt ranges
• Safety standard IEC 61010-01 CAT III 600V
• Fast response and quick insulation test.
• 3 functions in one unit, insulation test with 4 voltage ranges,
continuity test, AC voltage measurement
• 200mA measuring current on continuity testing
• Comparator function with PASS / FAIL and buzzer
• 0Ω adjustment at continuity measuring range
• Memory function up to 99 data
• Backlight LCD provides easy reading in dark locations
• Safety lock system prevents an erroneous operation
on 500 and 1000 Volt ranges
• Safety standard IEC 61010-01 CAT III 600V
• Short-Circuit Current up to 1.5mA
• Diagnosis Function of PI and DAR
• Newly-designed alligator clip
• It comes with a tough hard case
• Filter function reduces noise interference for obtaining stable measurement
• Large display with Bar Graph indication and backlight
• Live voltage warning
• Safety standard IEC 61010-1 CAT IV 300V / CAT III 600V
(Photo: 3125A)
• Extremely easy and simple operation
• Automatic ranges, indicated by individual LED's
• Newly-designed alligator clip
• It comes with a tough hard case
• Safety Standard IEC 61010-1 CAT IV 300V / CAT III 600V
• Extremely easy and simple operation
• Automatic ranges, indicated by individual LED's
• Newly-designed alligator clip
• It comes with a tough hard case
• Safety Standard IEC 61010-1 CAT IV 300V / CAT III 600V
(Photo: 3121B)
• Rugged design with a hard carrying case for field use
• Detachable High Voltage Line probe
• Automatic ranges, high and low scales, indicated by different LED's
• Drip proof
• Permits a wide range of insulation testing up to 100GΩ at variable test voltage from 1kV to 10kV.
• DC voltage output for recorders.
• Output voltage is shown on the digital display.
• After tests, automatically discharges the charges stored in the circuit under test.
• Operated by rechargeable Nickel-Cadmium batteries.
• Permits a wide range of insulation testing up to 100GΩ at variable test voltage from 1kV to 10kV.
• DC voltage output for recorders.
• Output voltage is shown on the digital display.
• After tests, automatically discharges the charges stored in the circuit under test.
• Operated by rechargeable Nickel-metal hydride batteries.
• Insulation Resistance up to 1TΩ
• Short-Circuit Current up to 1.5mA
• Wide Test Voltage from 250V to 5000V
• Diagnosis Function of PI and DAR
• Newly-designed alligator clip
• It comes with a tough hard case
• Filter function reduces noise interference for obtaining stable measurement
• Large display with Bar Graph indication and backlight
• Live voltage warning
• Safety standard IEC 61010-1 CAT IV 300V / CAT III 600V
• Insulation Resistance up to 10TΩ
• Short-Circuit Current up to 5mA
• Wide Test Voltage from 250V to 5000V
• Diagnostic Insulation Tests: IR, PI, DAR, DD, SV, RAMP (Breakdown and Burn modes), Capacitance, Leakage Current
• Wireless communication by Bluetooth for transferring and showing real-time data to PC and Android device
• Memory and Logging functions
• Filter function reduces noise interference for obtaining stable measurements
• Large back light display with Bar-Graph indication
• Robust design for field use with IP65 (lid closed)
• Powered by rechargeable battery
• Safety Standard IEC 61010-1 CAT Ⅳ 600V
• Microprocessor controlled high voltage insulation resistance tester with Diagnostic functions.
• Suitable for analyzing the insulation characteristics of cables, transformers, motors, generators, high-pressure switches, insulators, wiring installations, etc.
• 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V, 12000V
Fine adjustment of voltage setting at each range is also possible
• Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight.
• Can be operated from built-in rechargeable battery or from AC line.
• Automatic discharge after test with monitoring of the discharge voltage.
• Internal memory can store about 43,000 data (max).
• Robust design for field use with IP64 rating (with lid closed).
The Model 3131A offers unmatched performance, and feature including test lead resistance zero adjustment for time-saving continuous operation, a clear ease to read illuminated scale, and a live circuit warning.
• Test insulation up to 100MΩ at 250V, 200MΩ at 500V, 400MΩ at 1000V and continuity up to 20Ω.
• LIVE circuit warning lamp plus audible warning.
• Automatic discharge of circuit capacitance when TEST button is released.
• Fuse protected (continuity range only).
• Battery check LED.
• Front panel zero adjust.
• Back light function to facilitate working at dimly lit situations.
• PRESS TO TEST button with lock down feature.
•Dust and drip proof construction. (designed to IEC 60529 IP54)
•Designed to meet IEC 61010-1 and IEC 61557 safety standard.
•1mA rated test current at the minimum resistance.
•200mA measuring current on continuity testing.
•Automatic discharge of circuit capacitance.
(Any charge stored in the circuit under test will be automatically discharged after testing.)
•Live circuit warning buzzer and neon lamp.
•Small and lightweight. Shock resistant new case material.
•AC voltmeter with linear, easy-to-read scale.
•Operates on AA, R6 × 6 dry batteries.
• Miniature lightweight insulation tester. It weighs only 340g(battery included),
but carries full measurement functions.
• Automatic discharge of circuit capacitance.
• Test leads with remote control switch.
• New robust housing case.
• Back light function.
• Neck strap for both hands operation
• 500V/1000MΩ(Model 3165)
• Expanded megohm scale for easy reading.
• New robust housing case to prevent damage.
• AC voltmeter scale for easy reading.
• Neck strap for both hand’s operation.
• 1000V/2000MΩ
• Expanded megohm scale for easy reading.
• New robust housing case to prevent damage.
• AC voltmeter scale for easy reading.
• Neck strap for both hand’s operation.
• Extremely compact and lightweight design.
• Automatic sensor turns the illuminated scale and LED spot light ON/OFF, useful in dimly lit location.
• Standard accessories include test probe with remote control switch and protective carry case.
• Live circuit warning with buzzer and flashing LED.
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Insulation measurement up to 40GΩ
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Insulation measurement up to 40GΩ
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Insulation measurement up to 40GΩ
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Insulation measurement up to 40GΩ
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions