FLUKE 1625-2

Fluke 1625-2 Earth Ground Tester offers fast, accurate earth ground testing using all four test methods.

The Fluke 1625-2 earth ground tester measures earth ground loop resistances using only clamps, only stakes, or one clamp and stakes. With the stakeless test method, the Fluke 1625-2 is able to measure earth ground loop resistances for multi-grounded systems using only current clamps. This technique eliminates the dangerous, and time consuming job of disconnecting parallel grounds, and finding suitable locations for auxiliary ground stakes. This allows you to perform earth ground tests in places you’ve not considered before, such as inside buildings, on power pylons, or anywhere you don’t have access to soil.

Keep your options open

If a bonded earth ground system does not exist for the building or structure under test, and there is only one path to ground, you can use the 1625-2 to perform the fall-of-potential test method with stakes.

The 1625-2 offers other advanced features including:

• Automatic Frequency Control to identify existing interference and choose a measurement frequency to minimize its effect, thus providing a more accurate earth ground value.
• R* measurement that calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance that a fault-to earth ground would see.

The 1625-2 is also very easy to use. World class accessories speed set up and test time. And the tester tells you which stakes or clamps to connect for each test. The large rotary switch and buttons are easy to operate even with a gloved hand. And you can store up to 1500 records and access them easily via the USB port.

Other useful capabilities:

• Provides R* measurement that calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance that a fault-to earth ground would see
• Includes USB port for data storage and transfer
• Features IP56 rating for outdoor use
• Offers adjustable limits for quicker testing
• Comes with a rugged carrying case
  
  
  

  Specifications: Fluke 1625-2 GEO Earth Ground Tester

  General Specifications
  Memory	Internal memory storage up to 1500 records accessible via USB port
  Measuring function	Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC
  Display	4 digit (2999 Digit) - 7 segment liquid crystal display, with improved visibility
  Operation	Central rotary switch and function keys
  Temperature Range
  Operating temperature	-10°C to 50°C (14°F to 122°F)
  Storage temperature	-30°C to 60°C (-22°F to 140°F)
  Temperature coefficient	±0.1% of reading/°C < 18°C > 28°C
  Type of protection	IP56 for case, IP40 for battery door according to EN60529
  Max voltage	Warning – socket "clamp" to socket E, ES, S or H
  	Urms = 0 V
  	Sockets E, ES, S or H to each other in any combination, max. Urms = 250 V (pertains to misuse)
  Safety	Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. Pollution degree 2
  Quality standard	Developed, designed and manufactured to comply with DIN ISO 9001
  External field influence	Complies with DIN 43780 (8/76)
  Auxiliary power	6 x 1.5 V alkaline (IEC LR6 or type AA)
  Battery life span	With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ≤ 1 kΩ)
  	With IEC LR6/type AA: typ. 6,000 measurements (RE + RH > 10 kΩ)
  Dimensions (W x H x D)	250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in)
  Weight	≤ 1.1 kg (2.43 lb) without accessories 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case
  Case material	Polyester
  Measurement of Interference Voltage DC + AC (UST)
  Measuring limits of error: method	Full wave rectification
  Measuring range	1 V to 50 V
  Display range	0.0 V to 50 V
  Resolution	0.1 V
  Frequency range	DC/AC 45 Hz to 400 Hz sine
  Accuracy	±(5% of rdg + 5 digit)
  Measuring sequence	Approx. 4 measurements/s
  Internal resistance	Approx. 1.5 MΩ
  Max. overload	Urms = 250 V
  Measurement of Interference Frequency (F)
  Measuring limits of error: method	Measurement of oscillation period of the interference voltage
  Measuring range	6.0 Hz to 400 Hz
  Display range	16.0 Hz to 299.9 Hz to 999 Hz
  Resolution	0.1 Hz to 1 Hz
  Range	1 V to 50 V
  Accuracy	±(1% of rdg + 2 digit)
  Earthing Resistance (RE)
  Measuring method	Current and voltage measurement with probe as IEC61557-5
  Open circuit voltage	20/48 V, AC
  Short circuit current	250 mA AC
  Measuring frequency	94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1
  Noise rejection	120 dB (16 2/3 , 50 , 60, 400 Hz)
  Max. overload	Urms = 250 V