2 Fluke Corporation 1623 and 1625 GEO Earth Ground Testers
General
Display:1999 digit LCD Display with special symbols, digit height 25 mm, fluorescent backlight
User interface Instant measurement through TURN and START one button concept. The only operating elements are
rotary switch and START button
Robust and waterproof Instrument is designed for tough environmental conditions (rubber protective cover, IP56)
Temperature ranges
Working temperature -10 °C to 50 °C (14 °F to 22 °F)
Operating temperature 0 °C to 35 °C (32 °F to 95 °F)
Storage temperature -20 °C to 60 °C (-4 °F to 140 °F)
Reference temperature 23 °C to ± 2 °C (73 °F to ± 4 °F)
The chart of four temperature ranges for the instrument exist to satisfy European Standards requirements; the instrument can be used over the full working
temperature range by using the temperature coefficient to calculate accuracy at the ambient temperature of use.
Temperature coefficient ± 0.1 % of reading/K
Intrinsic error Refers to the reference temperature range and is guaranteed for 1 year
Operating error Refers to the operating temperature range and is guaranteed for 1 year
Climatic class C1 (IEC 654-1), -5 °C to +45 °C (23° to +115° F), 5 % to 95 % RH
Protective type IP56 for case, IP40 for battery door according to EN60529
Safety Protection by double and/or reinforced insulation. max. 50 V to earth
EMC (Emission Immunity) IEC 61326-1:1997 Class A
Quality system Developed, designed and manufactured according to DIN ISO 9001
External voltage V ext, max = 24 V (dc, ac < 400 Hz), measurement inhibited for higher values
V ext rejection > 120 dB (16
2
⁄3, 50, 60, 400 Hz)
Measuring time Typical 6 sec.
Max. overload 250 V rms (pertains to misuse)
Auxiliary power 6 x 1.5 V mignon cells alkali-manganese (type AA LR6)
Battery life span Typical > 3,000 measurements
Dimensions (WxHxD) 250 mm x 133 mm x 187 mm (9.75 in x 5.25 in x 7.35 in)
Weight 1.1 kg (2.43 lb) including batteries
1623 Specifications
The most complete testers
The Fluke 1623 and 1625 are distinctive earth
ground testers that can perform all four types of
earth ground measurement:
•
3- and 4-Pole Fall of Potential (using stakes)
•
4-Pole Soil Resistivity testing (using stakes)
•
Selective testing (using 1 clamp and stakes)
•
Stakeless testing (using 2 clamps only)
The testers are also easy to use. For each test,
the testers inform you which stakes or clamps need
to be connected and the large rotary switch can be
used even with a gloved hand.
The complete model kit comes with the 1623
or 1625 tester, test leads, 4 earth ground stakes,
3 cable reels with wire, 2 clamps, batteries, and
manual—all inside a rugged Fluke carrying case.
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