Extech GRT300 4-Wire Earth Ground Resistance Tester

Deskripsi

Extech GRT300 4-Wire Earth Ground Resistance Tester adalah alat ukur tahanan grounding yang dirancang untuk mengukur Earth Ground Resistance pada 4 range mulai dari 2 hingga 2000 Ohm. Tester ini mendukung metode pengujian 4-wire, 3-wire, dan 2-wire, sehingga fleksibel digunakan untuk berbagai kebutuhan pemeriksaan sistem grounding.

Extech GRT300 dilengkapi Large Dual Line LCD, autoranging, automatic zero adjustment, data hold, test hold, serta automatic power off. Fitur Automatic I (Current) dan P (Potential) Spike Check membantu memudahkan proses pengujian grounding secara praktis dan efisien.

Keunggulan Extech GRT300
✔ Mengukur Earth Ground Resistance dari 2Ω hingga 2000Ω
✔ Mendukung pengujian 4-Wire, 3-Wire, dan 2-Wire
✔ Large Dual Line LCD untuk tampilan pengukuran yang mudah dibaca
✔ Automatic I (Current) dan P (Potential) Spike Check
✔ Test Hold untuk memudahkan pengoperasian
✔ Autoranging untuk pemilihan range otomatis
✔ Automatic Zero Adjustment
✔ Data Hold
✔ Automatic Power Off
✔ Pengukuran AC Earth Voltage hingga 300 VAC
✔ Indikator Overrange dan Low Battery
✔ Test current rendah, <2 mA
✔ Dilengkapi hard carrying case dan aksesori lengkap

Spesifikasi Extech GRT300
✔ Model: Extech GRT300
✔ Type: 4-Wire Earth Ground Resistance Tester
✔ Earth Ground Resistance: 2Ω / 20Ω / 200Ω / 2000Ω
✔ Basic Accuracy Earth Ground Resistance: ±(2% of reading + 3 digits)
✔ Maximum Resolution: 0.01Ω / 0.1Ω / 1Ω / 0.01kΩ
✔ Earth Voltage: 0 – 300 VAC
✔ Earth Voltage Frequency: 40 – 500 Hz
✔ Earth Voltage Basic Accuracy: ±(2% of reading + 3 digits)
✔ Test Current: <2 mA
✔ Test Frequency: 820 Hz
✔ Display: Large Dual Line LCD
✔ Test Methods: 4-Wire / 3-Wire / 2-Wire

Kelengkapan Extech GRT300
✔ Test Leads dengan Alligator Clips
✔ 4 × Auxiliary Earth Bars
✔ Hard Carrying Case
✔ 8 × Battery 1.5V AA

Fungsi dan Aplikasi
Extech GRT300 4-Wire Earth Ground Resistance Tester cocok digunakan untuk pemeriksaan dan pengujian sistem grounding pada berbagai instalasi, seperti:

✔ Sistem grounding instalasi listrik
✔ Panel dan distribusi listrik
✔ Instalasi industri
✔ Sistem proteksi kelistrikan
✔ Pemeriksaan tahanan elektroda grounding
✔ Maintenance dan troubleshooting sistem grounding
✔ Pengujian grounding pada fasilitas dan bangunan