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Ideal for high-voltage testing, this easy-to-use, compact, and lightweight insulation tester features stable measurement technology, noise rejection, and a GUARD terminal. Moreover, it has five measurement ranges and offers stable readings, intuitive rotary control, and advanced diagnostics with PI, DAR, and DD.
Ideal for high-voltage testing, this easy-to-use, compact, and lightweight insulation tester features stable measurement technology, noise rejection, and a GUARD terminal. Moreover, it has five measurement ranges and offers stable readings, intuitive rotary control, and advanced diagnostics with PI, DAR, and DD.
The IR5050 is a compact, lightweight, high-voltage insulation resistance tester capable of outputting up to 5 kV. Its unique measurement technology enables stable measurements of up to 10 TΩ.
Features
Tailored measurement methods with advanced insulation diagnostic functions
When a high test voltage is continuously applied to the circuit under test, the insulation may break down. Failures caused by the application of a high voltage can be prevented by keeping the applied voltage as low as possible while testing the insulation. The IR5050 is equipped with various insulation diagnostic functions, allowing you to choose the optimal measurement method according to the testing application.
Automatically calculated and displayed insulation diagnostics
After measurement completes, the instrument can display more than just the insulation resistance and leakage current, but also judgement index values of PI, DD, and DAR. It calculates these indexes based on the measured values and displays it as a pass/fail judgment.
High-safety design insulation resistance meter
CAT III, CAT IV rated IR5050 hold the highest standards in safety performance. You may think that insulation resistance measurement is not dangerous because it is performed under power outage conditions, but on the contrary, accidents can be dangerous. The IR5050 have enhanced safety performance in case of such an accident.
Start test: Press and hold for 1 seconds to start measurement. This feature helps prevent inadvertent activation of a high voltage. To encourage caution, the MEASURE button flashes when a high voltage is being generated or discharged.
Complete: The IR5050 will start discharging automatically as soon as the test is over. During this time, the test start button will flash red to indicate that it is discharging.
Wireless (sold separately) and USB connectivity options for even greater convenience
Applications
| Basic Specifications (Input, Output, Measurement) | Measurement items: Insulation resistance, leakage current, voltage, capacitance (DD function) Maximum rated voltage to terminals: 1000 V AC, 2000 V DC Maximum rated voltage to ground: 1000 V (CAT IV), 600 V (CAT III) |
| Insulation Resistance Measurement | Test voltage: Constant voltage applied by the instrument to measure insulation resistance Range of test voltage: 250 V to 5.20 kV DC User-set test voltage: 250 V to 1 kV: in 10 V increments; 1 kV to 5 kV: in 25 V increments Open-circuit voltage: From 0% to 10% of test voltage Rated current: 1 to 1.2 mA Short-circuit current: 2 mA or less Effect of capacitive components: Within ±10% error of measurement value when the DUT has a capacitance of 5 μF or less Possible number of measurements: 200 times or more on one set of fully-charged batteries Overload protection: 1100 V AC (10 sec., between +/- terminals); 6000 V DC (10 seconds, between +/- terminals) Induced noise removal: 3 mA maximum 250 V Guaranteed accuracy range: 0 MΩ to 2.5 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 2.51 GΩ to 500 GΩ Accuracy: ±20% reading 500 V Guaranteed accuracy range: 0 MΩ to 5 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 5.01 GΩ to 1 TΩ Accuracy: ±20% reading 1000 V Guaranteed accuracy range: 0 MΩ to 10 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 10.1 GΩ to 2 TΩ Accuracy: ±20% reading 2500 V Guaranteed accuracy range: 0 MΩ to 25 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 25.1 GΩ to 5 TΩ Accuracy: ±20% reading 5000 V Guaranteed accuracy range: 0 MΩ to 50 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 50.1 GΩ to 10 TΩ Accuracy: ±20% reading |
| Leakage Current Measurement | Accuracy: ±3% reading ±3 digit (guaranteed accuracy range: 1.00 nA to 3.00 mA) Measurement Range: 10 nA Display range: 0 to 9.99 nA Resolution: 0.01 nA Measurement range: 100 nA Display range: 9 to 99.9 nA Resolution: 0.1 nA Measurement range: 1000 nA Display range: 90 to 999 nA Resolution: 1 nA Measurement range: 10 μA Display range: 0.90 to 9.99 μA Resolution: 0.01 μA Measurement range: 100 μA Display range: 9 to 99.9 μA Resolution: 0.1 μA Measurement range: 1 mA Display range: 90 to 999 μA Resolution: 1 μA Display Range: 0.90 to 3 mA Resolution: 0.01 mA |
| Voltage Measurement | Guaranteed accuracy range: 30 V to 1000 V AC (45 Hz to 65 Hz), ±10 V to ±2000 V DC Accuracy: ±3% reading ±3 digit Input resistance: 500 kΩ or more (DC, 45 to 65 Hz) Overload protection: 1100 V AC (1 minute, between +/- terminals), 2200 V DC (1 minute, between +/- terminals) |
| Capacitance Measurement | Capacitance is automatically measured after insulation resistance measurement is over (not measured if output voltage is 250 V or less) Accuracy: ±10% reading ±5 nF (guaranteed accuracy range: 10.0 nF to 25.0 μF) Measurement range: 100 nF Display range: 0.0 nF to 99.9 nF Resolution: 0.1 nF Measurement range: 1000 nF Display range: 100 nF to 999 nF Resolution: 1 nF Measurement range: 10 μF Display range: 1.00 μF to 9.99 μF Resolution: 0.01 μF Display range: 10.0 μF to 25.0 μF Resolution: 0.1 μF |
| Functions | Insulation diagnosis: PI, DAR, DD, SV, Ramp, Timer 2 |
| Others | Battery charge indicator, live circuit indicator, automatic power save, automatic discharge, backlight, buzzer, manual recording, logging recording, temperature and humidity input, elapsed time display, clock, filter, hardware filter, data-hold, system reset, USB communication (only when DT4900-01 (sold separately) is installed), wireless communication (only when Z3210 (sold separately) is installed), comparator, resistance gauge display, switching of insulation diagnosis function, breakdown cut-off |
| Environmental Conditions | Operating environment indoors: up to 6562.20' (2000 m) Operating temperature and humidity range: -4 to 104°F (-20 to 40°C), less than 80% RH (no condensation) 104 to 113°F (40 to 45°C), less than 60% RH (no condensation) 113 to 122°F (45 to 50°C), less than 50% RH (no condensation) Storage temperature and humidity range: -13 to 149°F (-25 to 65°C), less than 80% RH (no condensation) Dustproof/waterproof IP40 (with protector attached, excluding terminals) IP65 (Carrying case C0212) |
| Standards | Safety: EN IEC 61010-2-034: 2021, EN IEC 61010-2-033: 2021 Electromagnetic Compatibility (EMC): EN 61326 Insulation Resistance Tester: IEC 61557-1, IEC 61557-2 |
| Power Supply | 8 x AA alkaline battery 8 x HR6 (AA) nickel-metal hydride (NiMH) rechargeable battery Maximum power consumption: 12 VA Continuous operating time, reference value at 73°F (23°C) Approximately 5 hours without Z3210 (sold separately) installed; approximately 4 hours with Z3210 (sold separately) installed and using wireless communication Conditions: when using alkaline batteries, 5 kV generated, +/- terminals open, backlight off, and comparator off |
| Dimensions | 7.68 × 10 × 3.50" (195 × 254 × 89 mm) |
| Weight | With batteries: 59.97 oz. (1.7 kg) |
Click on a category to view a selection of compatible accessories with the Hioki IR5050 High Voltage Insulation Tester, 5 kV, 10 TΩ.
| Basic Specifications (Input, Output, Measurement) | Measurement items: Insulation resistance, leakage current, voltage, capacitance (DD function) Maximum rated voltage to terminals: 1000 V AC, 2000 V DC Maximum rated voltage to ground: 1000 V (CAT IV), 600 V (CAT III) |
| Insulation Resistance Measurement | Test voltage: Constant voltage applied by the instrument to measure insulation resistance Range of test voltage: 250 V to 5.20 kV DC User-set test voltage: 250 V to 1 kV: in 10 V increments; 1 kV to 5 kV: in 25 V increments Open-circuit voltage: From 0% to 10% of test voltage Rated current: 1 to 1.2 mA Short-circuit current: 2 mA or less Effect of capacitive components: Within ±10% error of measurement value when the DUT has a capacitance of 5 μF or less Possible number of measurements: 200 times or more on one set of fully-charged batteries Overload protection: 1100 V AC (10 sec., between +/- terminals); 6000 V DC (10 seconds, between +/- terminals) Induced noise removal: 3 mA maximum 250 V Guaranteed accuracy range: 0 MΩ to 2.5 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 2.51 GΩ to 500 GΩ Accuracy: ±20% reading 500 V Guaranteed accuracy range: 0 MΩ to 5 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 5.01 GΩ to 1 TΩ Accuracy: ±20% reading 1000 V Guaranteed accuracy range: 0 MΩ to 10 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 10.1 GΩ to 2 TΩ Accuracy: ±20% reading 2500 V Guaranteed accuracy range: 0 MΩ to 25 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 25.1 GΩ to 5 TΩ Accuracy: ±20% reading 5000 V Guaranteed accuracy range: 0 MΩ to 50 GΩ Accuracy: ±5% reading ±5 digit Guaranteed accuracy range: 50.1 GΩ to 10 TΩ Accuracy: ±20% reading |
| Leakage Current Measurement | Accuracy: ±3% reading ±3 digit (guaranteed accuracy range: 1.00 nA to 3.00 mA) Measurement Range: 10 nA Display range: 0 to 9.99 nA Resolution: 0.01 nA Measurement range: 100 nA Display range: 9 to 99.9 nA Resolution: 0.1 nA Measurement range: 1000 nA Display range: 90 to 999 nA Resolution: 1 nA Measurement range: 10 μA Display range: 0.90 to 9.99 μA Resolution: 0.01 μA Measurement range: 100 μA Display range: 9 to 99.9 μA Resolution: 0.1 μA Measurement range: 1 mA Display range: 90 to 999 μA Resolution: 1 μA Display Range: 0.90 to 3 mA Resolution: 0.01 mA |
| Voltage Measurement | Guaranteed accuracy range: 30 V to 1000 V AC (45 Hz to 65 Hz), ±10 V to ±2000 V DC Accuracy: ±3% reading ±3 digit Input resistance: 500 kΩ or more (DC, 45 to 65 Hz) Overload protection: 1100 V AC (1 minute, between +/- terminals), 2200 V DC (1 minute, between +/- terminals) |
| Capacitance Measurement | Capacitance is automatically measured after insulation resistance measurement is over (not measured if output voltage is 250 V or less) Accuracy: ±10% reading ±5 nF (guaranteed accuracy range: 10.0 nF to 25.0 μF) Measurement range: 100 nF Display range: 0.0 nF to 99.9 nF Resolution: 0.1 nF Measurement range: 1000 nF Display range: 100 nF to 999 nF Resolution: 1 nF Measurement range: 10 μF Display range: 1.00 μF to 9.99 μF Resolution: 0.01 μF Display range: 10.0 μF to 25.0 μF Resolution: 0.1 μF |
| Functions | Insulation diagnosis: PI, DAR, DD, SV, Ramp, Timer 2 |
| Others | Battery charge indicator, live circuit indicator, automatic power save, automatic discharge, backlight, buzzer, manual recording, logging recording, temperature and humidity input, elapsed time display, clock, filter, hardware filter, data-hold, system reset, USB communication (only when DT4900-01 (sold separately) is installed), wireless communication (only when Z3210 (sold separately) is installed), comparator, resistance gauge display, switching of insulation diagnosis function, breakdown cut-off |
| Environmental Conditions | Operating environment indoors: up to 6562.20' (2000 m) Operating temperature and humidity range: -4 to 104°F (-20 to 40°C), less than 80% RH (no condensation) 104 to 113°F (40 to 45°C), less than 60% RH (no condensation) 113 to 122°F (45 to 50°C), less than 50% RH (no condensation) Storage temperature and humidity range: -13 to 149°F (-25 to 65°C), less than 80% RH (no condensation) Dustproof/waterproof IP40 (with protector attached, excluding terminals) IP65 (Carrying case C0212) |
| Standards | Safety: EN IEC 61010-2-034: 2021, EN IEC 61010-2-033: 2021 Electromagnetic Compatibility (EMC): EN 61326 Insulation Resistance Tester: IEC 61557-1, IEC 61557-2 |
| Power Supply | 8 x AA alkaline battery 8 x HR6 (AA) nickel-metal hydride (NiMH) rechargeable battery Maximum power consumption: 12 VA Continuous operating time, reference value at 73°F (23°C) Approximately 5 hours without Z3210 (sold separately) installed; approximately 4 hours with Z3210 (sold separately) installed and using wireless communication Conditions: when using alkaline batteries, 5 kV generated, +/- terminals open, backlight off, and comparator off |
| Dimensions | 7.68 × 10 × 3.50" (195 × 254 × 89 mm) |
| Weight | With batteries: 59.97 oz. (1.7 kg) |
Click on a category to view a selection of compatible accessories with the Hioki IR5050 High Voltage Insulation Tester, 5 kV, 10 TΩ.
