Máy đo điện trở đất Kyoritsu 4105A, K4105A (20/200/2000Ω)
Thông số kĩ thuật đồng hồ đo điện trở đất:
- Hộp mềm
- Giải đo
- Điện trở : 0~20Ω/0~200Ω/0~2000Ω
- Điện áp đất [50,60Hz]: 0~200V AC
- Độ chính xác
- Điện trở: ±2%rdg±0.1Ω (20Ωrange)
- ±2%rdg±3dgt (200Ω/2000Ωrange)
- Điện áp đất : : ±1%rdg±4dgt
- Nguồn : R6P (AA) (1.5V) × 6
- Kích thước : 105(L) × 158(W) × 70(D)mm
- Khối lượng : 550g approx.
- Phụ kiện:
- 7095A (Earth resistance test leads) × 1set (red-20m, yellow-10m, green-5m)
- 8032 (Auxiliary earth spikes) × 1set
- 7127A (Simplified measurement probe) × 1set
- R6P (AA) × 6
- Instruction Manual
- Bảo hành : 12 tháng
- Hãng sản xuất : Kyoritsu - Nhật
- Xuất xứ : Thái Lan
- Dust and drip proof.(designed to IEC 529 IP54)
- In addition to the facility for precision measurement, test leads for simplified two wire measuring system also supplied as standard accessories.
- (unit can be hung from the neck for simplified measurement)
- Designed to meet IEC 61010-1 safety standard.
- Capable of measuring earth voltage.
- Automatic warning when resistance of auxiliary earth spikes is in excess of tolerance.
- Small and lightweight. Shock resistant new case material.
- 2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test. 4105A
- CE
| Measurement Ranges |
Earth Resistance: 0~20Ω/0~200Ω/0~2000Ω Earth Voltage [50,60Hz]: 0~200V AC |
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| Accuracy | Earth Resistance: ±2%rdg±0.1Ω (20Ωrange) |±2%rdg±3dgt (200Ω/2000Ωrange) Earth Voltage: ±1%rdg±4dgt |
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| Overload Protection | Earth Resistance: 280V AC for 10 seconds across 2 of the 3 terminals Earth Voltage: 300V AC for 1 minute |
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| Safety Standard | IEC 61010-1 CAT.III 300V Pollution Degree 2, IEC 61557 | ||||
| Applicable Standards | IEC 60529 IP54 | ||||
| Withstand Voltage | 3700V AC for 1 minute | ||||
| Power Source | R6P (AA) (1.5V) × 6 | ||||
| Dimensions | 105(L) × 158(W) × 70(D)mm | ||||
| Weight | 550g approx. | ||||
| Accessories | 7095A (Earth resistance test leads) × 1set (red-20m, yellow-10m, green-5m) 8032 (Auxiliary earth spikes) × 1set 7127A (Simplified measurement probe) × 1set R6P (AA) × 6 Neck strap Instruction Manual
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| Optional | 7100 (Precision measurement cord set) |
