| Việt nam
Thiết bị đo điện trở đất 3151 – Discontinued
Classic Ground Resistance Tester Using 3-Pole Method.
Đã ngừng sản xuất – Được thay thế bằng model FT3151
Earthing or grounding of electrical equipment is essential to maintain safety, protecting lives, as well as prevent damage to equipment. The 3151 ground resistance tester uses the AC phase differential system to measure earthing resistance, which assures that accurate measurements are unaffected by earth voltage and auxiliary earthing resistance.
Key Features
• Wide measurement range for 0 to 1150 Ω, based on EN standard
• Switchable measurement frequency to minimize the influence of harmonic earth voltage
• Semi-dust-proof construction
- Phương thức hoạt động: đo điện thế AC theo phương thức 3 cực hoặc 2 cực.
- Dải đo điện trở tiếp đất: 10 Ω (0 đến 11.5 Ω), 100 Ω (0 đến 115 Ω), 1000 Ω (0 đến 1150 Ω)
- Độ chính xác: ±2.5% f.s.
- Điện áp đất: 0 to 30 V; độ chính xác: ±3.0% f.s.
- Chuyển đổi được tần số đo: 575 Hz hoặc 600 Hz
- Kiểm tra điện trở cực P/C nối đất phụ
- Nguồn nuôi: Pin mangan R6P x6 hoặc Pin alkaline LR6 (AA) x6
Kích thước: W164 mm x H119 mm x D88 mm; Trọng lượng: 800 g - Phụ kiện kèm theo: Cọ đất phụ 9214 x2, Cáp đo 9215 (đen 5 m, vàng 10 m, đỏ 20 m), Bộ cuốn cáp đo x3, Hộp đựng 9393 x1, Đai tay x1, Pin R6P x6
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