Hioki insulation resistance testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR3455 is a 5-range, 250V to 5000V digital insulation resistance tester offering up to 10TΩ of insulated resistance testing. High performance features include bargraph, built-in memory, leak current and voltage testing, and DAR and PI calculation capabilities to help shorten work time associated with field insulation testing. Key Features • Measure insulation of high-voltage equipment (such as transformers, cables, and motors) • Wide testing voltage range, up to 5.00 kV from 250 V DC • Wide measurement insulation range, up to 10 TΩ • PI (Polarization Index) and DAR (Dielectric Absorption Ratio) automatically calculated / display • Data memory function to reduce handwritten notes • Bright LED luminous scale • Extended operating temperature range of -10 ℃ to 50 ℃
Model No. (Order Code)
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| IR3455 | 250 V to 5 kV/ 10 TΩ |
|---|
- 250 V to 5.00 kV DC, (Possible in 25 V steps between 250 V and 1 kV and in 100 V steps between 1 and 5 kV) Measurement range: 0.00 MΩ to 500 GΩ (250 V) 0.00 MΩ to 1.00 TΩ (500 V) 0.00 MΩ to 2.00 TΩ (1 kV) 0.00 MΩ to 5.00 TΩ (2.5 kV) 0.00 MΩ to 10.0 TΩ (5 kV) Measurement current.
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Wide Range of Voltage Generated for Measurement and Testing
Insulation resistance measurements: Select a test voltage from 250 V, 500 V, 1.00 kV, 2.50 kV, and 5.00 kV. More finely graded settings are also possible. When measurement is completed, the unit shows the insulation resistance value, test voltage (setting and actual output), leakage current, DAR, PI, and elapsed time. Save measurement conditions and measurement results to internal memory, and view them on a computer.
Wide Range of Voltage Generated for Measurement and Testing
Step voltage test: In this type of test, the voltage is gradually raised and the insulation resistance and leakage current change is measured. Two different step settings are available: 500 V → 1 kV → 1.5 kV → 2 kV → 2.5 kV and 1 kV → 2 kV → 3 kV → 4 kV → 5 kV.
Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| Test voltage | 250 V to 5.00 kV DC, (Possible in 25 V steps between 250 V and 1 kV and in 100 V steps between 1 and 5 kV) |
|---|---|
| Measurement range | 0.00 MΩ to 500 GΩ (250 V) 0.00 MΩ to 1.00 TΩ (500 V) 0.00 MΩ to 2.00 TΩ (1 kV) 0.00 MΩ to 5.00 TΩ (2.5 kV) 0.00 MΩ to 10.0 TΩ (5 kV) |
| Measurement current | 1 mA (Test voltage 250 V to 1.00 kV), 0.5 mA (Test voltage 1.10 kV to 2.50 kV) 0.25 mA (Test voltage 2.60 kV to 5.00 kV), Short-circuit current: 2 mA or less |
| Resistance range | 10 MΩ to 10 TΩ, 7 ranges (auto range) |
| Accuracy | ±5% rdg. ±5 dgt. Up to [Test voltage (setting value)/Resistance measurable at 100 nA] ±20% rdg. ±5 dgt. [Test voltage (setting value)/Resistance measurable at 100 nA] to [Test voltage (setting value)/Resistance measurable at 1 nA] or 500 GΩ ±30% rdg. ±50 dgt. [Test voltage (setting value)/Resistance measurable at 1 nA] or 501 GΩ to 9.99 TΩ |
| Leakage current measurement | 1.00 nA to 1.20 mA, 6 ranges (current measurement that occurs when test voltage is generated) Accuracy ±2.5% rdg. ±5 dgt. (1 mA range); refer to complete catalog for other ranges |
| Voltage measurement | ±50 V to ±1.00 kV DC, 50 V to 750 V AC (50/60 Hz), Accuracy: ±5 % rdg. ±5 dgt. , Input resistance: Approx. 10 MΩ |
| Temperature measurement | -10.0 ˚C to 70.0 ˚C, 3 ranges (used with optional sensor) Accuracy ±1.0 ˚C (0.0 ˚C to 40.0 ˚C); refer to complete catalog for other ranges |
| Other functions | Insulation Diagnosis (Temperature compensation, PI/DAR display, Step voltage test), Data memory, Communication (USB 2.0, PC application software), auto discharge, hot conductor warning indication, etc. |
| Display | Digital LCD, max. 999 dgt. with backlight, Bar graph display |
| Power supply | LR6 (AA) alkaline batteries ×6, Battery pack 9459, or AC adapter 9753 or 9418-15 (100 - 240 VAC) Continuous use : [LR6] 5 hr, [9459] 9 hr, (Occur 5 kV, +/- open terminal) |
| Dimensions and mass | 260 mm (10.24 in)W × 250.6 mm (9.87 in)H × 119.5 mm (4.70 in)D, 2.8 kg (98.8 oz) |
| Accessories | Test lead 9750-01 ×1, Test lead 9750-02 ×1, Test lead 9750-03 ×1, Alligator clip 9751-01 ×1, Alligator clip 9751-02 ×1, Alligator clip 9751-03 ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×6, USB cable ×1, PC application software (CD-R) ×1 |
Log into your myHioki account to access more technical documents and information where available.
Seminar Schedule
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Catalogs
| Catalog: HIGH VOLTAGE INSULATION TESTER IR3455 | Download PDF [1MB] | English |
| Catalog: INSULATION TESTER Series | Download PDF [3MB] | English |
Manuals
If you can not download, log into your myHioki account to access more technical documents and information where available.
| Instruction Manual | English | Ver.02 |
Outline Drawings
If you can not download, log into your myHioki account to access more technical documents and information where available.
HIGH VOLTAGE INSULATION TESTER IR3455 [173KB] | Ver.02 |
Declaration of Conformity
| Ver.01 |
Drivers, Firmware
| Data Analysis Software for HIGH VOLTAGE INSULATION HiTESTER 3455 | Freeware | Version 2.01 |
| USB Driver for 3144-20 3664 3455 | Freeware | Version 1.1.0.0 |
Others
| Flyer: Usable temperature range Max.65°C Max.-25°C | Download PDF [1MB] | English |
| Data Analysis Software for HIGH VOLTAGE INSULATION HiTESTER 3455 | Freeware | Version 2.01 |
| USB Driver for 3144-20 3664 3455 | Freeware | Version 1.1.0.0 |
Others
| Flyer: Usable temperature range Max.65°C Max.-25°C | Download PDF [1MB] | English |
Options
Options
TEMPERATURE SENSOR 9631-01
Molded type, 1 m (3.28 ft) length, -40 to 180 °C, 100 sec response time, sensor part dimensions φ 6 × 28 mm (φ 0.24 in × 1.10 in)
TEMPERATURE SENSOR 9631-05
Molded type, 50 mm (1.97 in) length, -40 to 180 °C, 100 sec response time, sensor part dimensions φ 6 × 28 mm (φ 0.24 in × 1.10 in)
TEST LEAD 9750-12
Black ×1, 10 m (32.81 ft) length
TEST LEAD 9750-13
Blue ×1, 10 m (32.81 ft) length
BATTERY PACK 9459
NiMH, Charges while installed in the main unit
Bundled Accessories
TEST LEAD 9750-02
Black ×1, 3 m (9.84 ft) length
ALLIGATOR CLIP 9751-01
Kv Checker Download Rgh
Red ×1
Rgh Kv Checker Download
ALLIGATOR CLIP 9751-03
Blue ×1
Free Kv Checker Download
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