Fluke 1621 – בודק הארקה

מאפיינים מרכזיים

לבדיקת התנגדות אדמה, 1621 הינו קו ההגנה הראשון באיתור חיבורי קרקע אמינים.

מדידות

  • הפרעת מתח
  • התנגדות

מצבי בדיקה

  • בדיקה ללא מתח

סוגי מדידות התנגדות

  • התנגדות 2 קטבים
  • נפילת מתח 3 קטבים

תכונות

  • EN61557
  • גילוי הפרעות
  • התראת סוללה חלשה
  • חיווי מתח מסוכן
3-pole earth ground resistance, 2-pole ac resistance of a conductor, Interference voltage
Refers to the reference temperature range and is guaranteed for one year
2 measurements/second
One 9 volt alkaline (LR61)
LO-BAT is displayed if voltage drops below 6.5 V
Between jacks H/C2 and E/C1: 250 Veff maximum (effective voltage)
Between jacks S/P2 and E/C1: 250 Veff maximum
VDE/VDI 3540 RZ (conforming to KWG as per DIN 40040, 4/87)
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)
± 0.1 % of range per degree Kelvin
IEC/EN 61010-1, 600 V CAT II, pollution degree 2
113 mm x 54 mm x 216 mm (4.5 in x 2.1 in x 8.5 in), including holster
850 g (1.9 lb), including standard accessories, volume approximately 600 cm3
שנתיים
E1Influence factor Position
E1Deviation influence 0 %
E2Influence factor Supply voltage
E2Deviation influence 0 %
E3Influence factor Temperature E3
E3Deviation influence 2.3 %
E4Influence factor Serial interference voltage (20 V)
E4Deviation influence 0.6 %
E5Influence factor Probe- and auxiliary probe resistance
E5Deviation influence 10 %
3.7 kV
IP 40; IEC/EN 60529
Emission: IEC/EN 61326 Class B
Immunity: IEC/EN 61326 Annex C
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
8 seconds (average from when START is pressed)
Tester retains set value even if instrument is turned off (assuming battery power supply is sufficient)
RH < 7 kΩ
Resolution 0.01 Ω
RH < 50 kΩ
Resolution 0.1 Ω
RH > 50 kΩ
Resolution 1 Ω
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
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