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Key features Easily capture values with single-button operation 3-pole Fall-of-Potential earth testing for basic measurements 2-pole resistance measurements for added versatility Ensure accurate measurements with automatic ‘noise’ voltage detection Hazardous voltage warning offers increased user protection Clearly read and record data with a large, backlit display Rugged holster and design for tough work environments Portable size allows for easy transportation Instantly be alerted to measurements outside of your set limit, when you use the adjustable limit setting 600 V Cat II

Fluke 1621 GEO Earth Ground Tester

Key features

  • Easily capture values with single-button operation
  • 3-pole Fall-of-Potential earth testing for basic measurements
  • 2-pole resistance measurements for added versatility
  • Ensure accurate measurements with automatic ‘noise’ voltage detection
  • Hazardous voltage warning offers increased user protection
  • Clearly read and record data with a large, backlit display
  • Rugged holster and design for tough work environments
  • Portable size allows for easy transportation
  • Instantly be alerted to measurements outside of your set limit, when you use the adjustable limit setting
  • 600 V Cat II
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Product overview: Fluke 1621 GEO Earth Ground Tester

The Fluke 1621 is an easy-to-use earth ground tester. For ground resistance testing, the 1621 is the first line of defense in detecting reliable ground connections. The unit features basic ground testing methods including 3-pole Fall-of-Potential as well as 2-pole ground resistance tests. Its convenient size, rugged holster, and large, clear LCD display make it an ideal field earth ground tester, for most electrical grounding work environments. With a simple user interface and intuitive functionality, the Fluke 1621 is a handy grounding tool for electrical contractors, utility test engineers, and earth ground specialists.

Specifications

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 #ERROR!
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 2.30%
E4 Influence factor Serial interference voltage (20 V)
E4 Deviation influence 0.60%
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)

Models

Models: Fluke 1621 GEO Earth Ground Tester

Fluke 1621
Fluke 1621 GEO Earth Ground Tester

Includes:

  • Users manual
  • Two measuring leads with alligator clips, 2 m (6 ft)
  • One battery, 9 V alkaline (LR61)
  • One protective holster, yellow
  • One CD-ROM

Resources

Resources: Fluke 1621 GEO Earth Ground Tester

Accessories

Accessories: Fluke 1621 GEO Earth Ground Tester

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