Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
:: Safe and accurate measurement of PV insulation resistance even during power generation
● For measuring the insulation resistance of high-voltage equipment (transformers, cables, motors, etc.)
Wide range of test voltage: 250 V~5 kV
:: Wide measuring range up to 10 TΩ
:: Automatic calculation and display of the insulation judgment index
:: Data storage function that reduces handwritten recording efforts
● Communication options: wireless and USB compatible
● Compact and lightweight with IP65 compliant hard case as standard
Basic parameters (accuracy guaranteed for 1 year)
1: -20°C to 40°C (below 80% RH), 40°C to 45°C (below 60% RH), 45°C to 50°C (below 50% RH)
2: With alkaline dry cell batteries, 5 kV occurs, open circuit between positive and negative terminals, backlight off, comparator off, 23°C Ref.
| Measurement items | Insulation resistance measurement, PV insulation resistance measurement, leakage current measurement, voltage measurement, electrostatic capacitance measurement (DD function) |
|---|---|
| Maximum rated voltage between terminals | AC 1000 V, DC 2000 V |
| Maximum rated voltage to ground | 1000 V (CAT IV), 2000 V (CAT III) |
| Operating temperature and humidity range | -20˚C to 50˚C ※1 (no condensation) |
| Storage temperature and humidity range | -25˚C to 65˚C, 80% RH or less (no condensation) |
| Dust and water resistance | IP40 (with protective case and excluding terminal section) IP65 (C0212 carrying case) |
| Applicable standards | EN 61010 (safety), EN 61326 (EMC), IEC 61557-1, IEC 61557-2 (insulation megohmmeter) |
| power supply | Alkaline Dry Battery (LR6) × 8 ・Nickel Hydride Rechargeable Battery (HR6) × 8 |
| Continuous use time*2 | Approx. 5 hours (IR5051, without Z3210 installed), approx. 4 hours (IR5051-90, with Z3210 installed, with wireless communication) |
| Volume and mass | 195(W) × 254(H) × 89(D) mm, approx. 1.7 kg (including battery) |
| attachment (email) | Test Lead L9850-01 ×1, Test Lead L9850-02 ×1, Test Lead L9850-03 ×1, Alligator Clip L9851-01 ×1, Alligator Clip L9851-02 ×1, Alligator Clip L9851-03 ×1, Test Pin L9852 ×1, Carrying Case C0212 ×1, Alkaline Dry Battery No. 5 (LR6) ×8, Instruction Manual ×1, Notes for use ×1, Wireless adapter Z3210 (IR5051-90 only) |
Functional parameters
| Insulation judgment function | PI, DAR, DD, SV, Ramp, Timer ※1: PV insulation resistance function can only be set for timer. |
|---|---|
| Other Functions | Battery RMS range display, Firewire warning display, Auto power save, Auto discharge, Backlight, Buzzer, Data storage operation record, Data storage save record, Temperature and humidity input, Elapsed time display, Clock function, Filter, Hardware filter, Hold function, System restart, USB communication function (only when DT4900-01 is installed), Wireless communication (only when Z3210 is installed) Comparator, Bar graph, Switching of insulation judgment function, Fault function, Negative voltage notification function |
PV insulation resistance measurement
| Output Voltage Range | DC 250 V to 2.00 kV | ||
| Preset Test Voltage | 500 V, 1 kV, 1.5 kV | ||
| Setting the resolution | 250 V ~ 1 kV: 10 V steps, 1 kV ~ 5 kV: 25 V steps | ||
| Rated measuring current (set value) | 500 V | 1000 V | 1500 V |
| Accuracy guarantee range (1) | 0.00 MΩ ~ 5.00 GΩ ±5% rdg ±5 dgt | 0.00 MΩ ~ 10.00 GΩ ±5% rdg ±5 dgt | 0.00 MΩ to 20.0 GΩ ±5% |
| Accuracy guarantee range (2) | 5.01 GΩ ~ 100 GΩ ±20% rdg | 10.1 GΩ ~ 100 GΩ ±20% rdg | 20.1 GΩ ~ 100 GΩ ±20%rdg |
| rated current | Rated measured voltage (set value) ÷ Lower resistance value that can maintain open circuit voltage | ||
| short-circuit current | 2 mA or less | ||
| Number of measurements | More than 1000 times | ||
Insulation resistance measurement
| Output Voltage Range | DC 250 V to 5.20 kV | ||||
| Setting the resolution | 250 V ~ 1 kV: 10 V steps, 1 kV ~ 5 kV: 25 V steps | ||||
| Rated measuring current (set value) | 250V | 500V | 1000V | 2500V | 5000V |
| Accuracy guarantee range (1) | 0.00 MΩ ~ 2.50 GΩ ±5% rdg ±5 dgt | 0.00 MΩ ~ 2.50 GΩ ±5% rdg ±5 dgt | 0.00 MΩ ~ 10.0 GΩ ±5% rdg ±5 dgt | 0.00 MΩ ~ 25.0 GΩ ±5% rdg ±5 dgt | 0.00 MΩ~50.0 GΩ ±5% rdg ±5 dgt |
| Accuracy guarantee range (2) | 2.51 GΩ ~ 500 GΩ ±20% rdg |
5.01 GΩ ~ 1.00 TΩ ±20% rdg |
10.1 GΩ ~ 2.00 TΩ ±20% rdg |
25.1 GΩ ~ 5.00 TΩ ±20% rdg |
50.1 GΩ ~ 10.00 TΩ ±20% rdg |
| rated current | 1 mA ~ 1.2 mA | ||||
| short-circuit current | 2 mA or less | ||||
| Number of measurements | More than 200 | ||||
Current (Leakage Current) Measurement Accuracy ± 3%rdg ± 3dgt (Accuracy Guarantee Range: 1.00 nA to 3.00mA)
| Range (Autorange) | 10 nA | 100 nA | 1000 nA | 10 μA | 100 μA | 1 mA |
|---|---|---|---|---|---|---|
| Display range | 0.00nA ~ 9.99 nA | 9.0 nA to 99.9 nA | 90 nA ~ 999 nA | 0.90 μA ~ 9.99 μA | 9.0 μA to 99.9 μA | 90 μA to 999 μA*1 0.90 mA to 3.00 mA※2 |
| resolution (of a photo) | 0.01 nA | 0.1 nA | 1 nA | 0.01 μA | 0.1 μA | ※1: 1 μA ※2: 0.01 mA |
Voltage measurement
| Accuracy guarantee range | AC 30 V ~ 1000 V (45 Hz ~ 65 Hz) DC ±10 V ~ ±2000 V |
|---|---|
| accurate | ± 3% rdg. ± 3dgt. |
| input resistance | 500 kΩ or more (DC, 45 Hz to 65 Hz) |
| Overload protection | AC 1100 V (between positive and negative terminals in 1 minute) DC 2200 V (between positive and negative terminals in 1 minute) |
Capacitance measurement Capacitance measurement is performed automatically after the insulation resistance measurement (except for output voltages of 250 V or less).
| accurate | ±10 %rdg ±5 nF (accuracy guarantee range: 10.0 nF ~ 25.0 µF) | ||
| range (of scales or measuring equipment) | 100 nF | 1000 nF | 10 μF |
| Display range | 0.0 nF to 99.9 nF | 100 nF to 999 nF | 1.00 μF to 9.99 μF※1 10.0 μF to 25.0 μF※2 |
| resolution (of a photo) | 0.1 nF | 1 nF | ※1: 0.01 μF ※2: 0.1 μF |
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