Đồng hồ đo điện trở đất Fluke 1621 (20/0200/2000Ω)

Model: 1621
Hãng sản xuất: Fluke
Xuất xứ: Rumani
Bảo hành: 12 tháng
Liên hệ
Tình trạng: Còn hàng
Điện thoại: 0976595968

Model: 1621
Hãng sản xuất: Fluke
Xuất xứ:Rumani
Bảo hành: 12 tháng

General Specifications
Measuring functions 3-pole earth ground resistance, 2-pole ac resistance of a conductor, Interference voltage
Intrinsic error Refers to the reference temperature range and is guaranteed for one year
Measuring rate 2 measurements/second
Battery1 One 9 volt alkaline (LR61)
Battery condition LO-BAT is displayed if voltage drops below 6.5 V
Voltages Between jacks H/C2 and E/C1 250 Veff maximum (effective voltage)
Between jacks S/P2 and E/C1 250 Veff maximum
Climatic class VDE/VDI 3540 RZ (conforming to KWG as per DIN 40040, 4/87)
Temperature performance2 Working -10°C to +50°C (+14°F to +122°F)
Operating 0°C to +35°C (+32°F to +95°F)
Storage -20°C to +60°C (+68°F to +140°F)
Reference +23°C ±2°C (+73°F ±4°F)
Temperature coefficient ±0.1% of range per degree Kelvin
Safety IEC/EN 61010-1, 600 V CAT II, pollution degree 2
Dimensions 113 x 54 x 216 mm (4.5 x 2.1 x 8.5 in), including holster
Weight 850 g (1.9 lb), including standard accessories, volume approximately 600 cm3
Electrical Specifications
Maximum deviations E1 Influence factor Position
E1 Deviation influence 0%
E2 Influence factor Supply voltage
E2 Deviation influence 0%
E3 Influence factor Temperature E3
E3 Deviation influence 2.3%
E4 Influence factor Serial interference voltage (20 V)
E4 Deviation influence 0.6%
E5 Influence factor Probe- and auxiliary probe resistance
E5 Deviation influence 10%
Test voltage 3.7 kV
Protection type IP 40; IEC/EN 60529
Electromagnetic compatibility Emission IEC/EN 61326 Class B
Immunity IEC/EN 61326 Annex C
RE Resistance measurement Measuring method Current-voltage measurement with improved cross-talk attenuation, no compensation of measuring lead resistance, with probe (3-pole) or without probe (2-pole), as per IEC/EN 61557–5
Open circuit voltage 23 to 24 V AC
Short circuit current > 50 mA AC
Measuring frequency 128 Hz
Maximum permissible overload 250 Veff
Measuring time 8 seconds (average from when START is pressed)
Limit input Tester retains set value even if instrument is turned off (assuming battery power supply is sufficient)
Automatic changeover of resolution RH < 7 kΩ
Resolution 0.01 Ω
RH < 50 kΩ
Resolution 0.1 Ω
RH > 50 kΩ
Resolution 1 Ω
Interference voltage display DC + AC Vmax 30 Veff
Common mode rejection > 80 dB at 50 Hz and 60 Hz
Ri 680 kΩ
Measuring uncertainty < 10% for pure AC and DC signals
Measuring Range
0.15 Ω to 20 Ω Resolution 0.01 Ω
Display range 0 to 19.99 Ω
200 Ω Resolution 0.1 Ω
Display range 20 to 199.9 Ω
2 kΩ Resolution 1 Ω
Display range 200 to 1999 Ω
Intrinsic Uncertainty ±(6% of measured value + 5D)
Operating uncertainty IEC 615573 ±(18% of measured value + 5D)

 

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