HIOKI IR4355 High Voltage Insulation Tester adalah alat Penguji resistansi isolasi Hioki atau megohmmeter menampilkan desain lengkap termasuk casing kokoh bawaan dan kompartemen penyimpanan kabel uji. IR3455 adalah penguji resistansi isolasi digital 5-range, 250V hingga 5000V yang menawarkan pengujian resistansi berinsulasi hingga 10T 10. Fitur kinerja tinggi termasuk bargraph, memori internal, pengujian arus dan tegangan bocor, dan kemampuan perhitungan DAR dan PI untuk membantu mempersingkat waktu kerja yang terkait dengan pengujian insulasi lapangan.
Fitur HIOKI IR4355
- Mengukur insulasi peralatan tegangan tinggi (seperti transformator, kabel, dan motor)
- Rentang tegangan pengujian lebar, hingga 5,00 kV dari 250 V DC
- Rentang isolasi pengukuran yang luas, hingga 10 TΩ
- PI (Indeks Polarisasi) dan DAR (Rasio Penyerapan Dielektrik) dihitung / ditampilkan secara otomatis
- Fungsi memori data untuk mengurangi catatan tulisan tangan
- Skala bercahaya LED terang
- Kisaran suhu pengoperasian yang diperpanjang dari -10 hingga 50
Spesifikasi HIOKI IR4355
| 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 |
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