Fluke 1621 Basic Earth Ground Tester In Pakistan

An Engineer is working with fluke 1621

Introduction The Fluke 1621 Earth Ground Tester (referred throughout as the “Tester”) is an easy to use instrument for measuring the resistance to earth ground of a specified earth ground electrode. The Tester can perform a 3-pole fall-of potential test conforming to IEC/EN 61557-5. The Tester can also perform ac resistance testing. To further simplify and increase the probability of an accurate measurement in the 3-pole mode, the Tester measures the resistance of the probe and auxiliary electrode to verify that they are within prescribed limits. The Tester also tests for stray interference voltage (noise) and indicates if the value is too high to take a proper measurement. The Tester features a lighted LCD display, automatic shut-off, and a limits mode for setting maximum resistance readings. This instrument is manufactured in compliance with quality assurance system EN ISO 9001. Compliance with current applicable EMC regulations is documented by the attached P sign. Unpacking Refer to “Accessories” while unpacking the Tester and its accessories from the shipping carton. Keep the packing material for future transport. Check for missing parts and inspect the unit carefully for damage, like cracks, dents, or bent parts. If items are missing or any physical damage is apparent, call Fluke for assistance. Refer to “Service” for information on contacting Fluke. 




The Fluke 1621 Kit is an easy-to-use earth ground tester. For ground resistance testing, the 1621 Kit 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 Kit is a handy grounding tool for electrical contractors, utility test engineers, and earth ground specialists.

Features:

• 
  • 3-pole Fall-of-Potential earth testing for basic measurements
  • 2-pole resistance measurements for added versatility
  • Easily capture values with single-button operation
  • 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
  • Hard carrying case
  • 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

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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