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Fluke 1623-2 KIT
Catalog #: 4325170
Basic GEO Earth Ground Tester Kit
- Overview
- Specifications
- Summary
- Cases
- Current Clamps
- Accessories
Product Highlights
- Stakeless earth ground rod testing using 2 clamps
- IP56 rated for outdoor use
- 4-pole Soil Resistivity testing
- USB data storage and transfer
- Selective earth ground rod testing using 1 clamp
- Professional carrying case
- 3- and 4-pole Fall of Potential, earth resistance loop testing
In addition, the Fluke 1625-2 offers these advanced features:
- Automatic Frequency Control (AFC) - identifies existing interference and chooses a measurement frequency to minimize its effect, providing more accurate earth ground value
- R* measurement - calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance that a fault-to-earth ground would see
- Adjustable limits - for quicker testing
Each Unit Includes
- Fluke 1623 tester
- 2 test leads
- 4 earth ground stakes
- 3 cable reels with wire (2-25 m, 1-50 m)
- 2 clamps (one inducing, one sensing)
- Batteries
- Users manual
- C1620 Rugged carrying case
- ISO 9001 - Statement of Calibration Practices
1623-2 Specifications
| General Specifications |
| Display:1999 digit LCD |
Display with special symbols, digit height 25 mm |
| User interface |
Instant measurement through TURN and START one button concept. The only operating elements are rotary switch and START button |
| Robust, water and dust resistant |
Instrument is designed for tough environmental conditions (rubber protective cover, IP56) |
| Memory |
Internal memory storage up to 1500 records accessible via USB port |
| Temperature ranges |
| 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 |
| 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. IEC61010-1: 300V CAT II, Pollution degree 2 |
| EMC (Emission Immunity) |
IEC61326-1: Portable |
| 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 (162⁄3, 50, 60, 400 Hz) |
| Measuring time |
Typical 6 sec. |
| Max. overload |
250 V rms (pertains to misuse) |
| Auxiliary power |
6 x 1.5 V alkaline (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
7.6 kg (16.8 lb) including accessories and batteries in carrying case |
| RA 3-pole ground resistance measurement (IEC 1557-5) |
| Switch position |
Resolution |
Measuring range |
Accuracy |
Operating error |
| RA 3-pole |
0.001 Ω to 10 Ω |
0.020 Ω to 19.99 kΩ |
± (2 % rdg + 3 d) |
± (5 % rdg + 3 d) |
| For 2-pole measurements connect terminals H and S with the supplied connector cable. |
| Measuring principle: Current and voltage measurement |
| Measuring voltage |
Vm = 48 Vac |
| Short-circuit current |
> 50 mA |
| Measure frequency |
128 Hz |
| Probe resistance (RS) |
Max 100 kΩ |
| Auxiliary earth electrode resistance (RH) |
Max. 100 kΩ |
| Additional error from RH and RS |
RH [kΩ] • • • RS [kΩ]/RA [Ω] • • • 0.2 % |
| Monitoring of RS and RH with error indicator |
| Automatic range selection |
| Measurement is not performed if the current through the current clamp is too low |
| RA 4-pole ground resistance measurement (IEC 1557-5) |
| Switch position |
Resolution |
Measuring range |
Accuracy |
Operating error |
| RA 4-pole |
0.001 Ω to 10 Ω |
0.020 Ω to 19.99 kΩ |
± (2 % rdg + 3 d) |
± (5 % rdg + 3 d) |
| Measuring principle: Current and voltage measurement |
| Measuring voltage |
Vm = 48 Vac |
| Short-circuit current |
> 50 mA |
| Measure frequency |
128 Hz |
| Probe resistance (RS + RES) |
Max 100 kΩ |
| Auxiliary earth electrode resistance (RH) |
Max. 100 kΩ |
| Additional error from RH and RS |
RH [kΩ] • • • RS [kΩ]/RA [Ω] • • • 0.2 % |
| Monitoring of RS and RH with error indicator |
| Automatic range selection |
| RA 3-pole selective ground resistance measurement with current clamp |
| Switch position |
Resolution |
Measuring range |
Accuracy |
Operating error |
| RA 3-pole |
0.001 Ω to 10 Ω |
0.020 Ω to 19.99 kΩ |
± (7 % rdg + 3 d) |
± (10 % rdg + 5 d) |
| Measuring principle: Current/voltage measurement (with external current clamp) |
| Measuring voltage |
Vm = 48 Vac |
| Short-circuit current |
> 50 mA |
| Measure frequency |
128 Hz |
| Probe resistance (RS) |
Max 100 kΩ |
| Auxiliary earth electrode resistance (RH) |
Max. 100 kΩ |
| Monitoring of RS, and RH with error indicator |
| Automatic range selection |
| Measurement is not performed if the current through the current clamp is too low |
| RA 4-pole selective ground resistance measurement with current clamp |
| Switch position |
Resolution |
Measuring range |
Accuracy |
Operating error |
| RA 4-pole |
0.001 Ω to 10 Ω |
0.020 Ω to 19.99 kΩ |
± (7 % rdg + 3 d) |
± (10 % rdg + 5 d) |
| Measuring principle: Current/voltage measurement (with external current clamp) |
| Measuring voltage |
Vm = 48 Vac |
| Short-circuit current |
> 50 mA |
| Measure frequency |
128 Hz |
| Probe resistance (RS) |
Max 100 kΩ |
| Auxiliary earth electrode resistance (RH) |
Max. 100 kΩ |
| Monitoring of RS, and RH with error indicator |
| Automatic range selection |
| Measurement is not performed if the current through the current clamp is too low |
| Stakeless ground loop measurement |
| Switch position |
Resolution |
Measuring range |
Accuracy |
Operating error |
| RA 4-pole |
0.001 Ω to 0.1 Ω |
0.020 Ω to 199.9 Ω |
± (7 % rdg + 3 d) |
± (10 % rdg + 5 d) |
| Measuring principle: Stakeless measurement of resistance in closed loops using two current transformers |
| Measuring voltage |
Vm = 48 Vac (primary) |
| Measuring frequency |
128 Hz |
| Noise current (IEXT) |
Max. IEXT = 10 A (ac) (RA < 20 Ω) |
| Max. IEXT = 2 A (ac) (RA > 20 Ω) |
Automatic range selection
The information regarding stakeless ground loop measurements is only valid when used in conjunction with the recommended current clamps at the minimum distance specified. |
1625-2 Specifications
| Temperature ranges |
| Operating temperature range |
-10 °C to 50 °C (14° F to 122° F) |
| Storage temperature range |
-30 °C to 60 °C (-22° F to 140° F) |
| Temperature coefficient |
± 0.1 % of range/± 0.1 % of reading/°C <18 °C >28 °C |
| Type of protection |
IP56 for case, IP40 for battery door according to EN60529 |
| Safety |
Protection by double and /or reinforced insulation. Max. 50 V to earth per IEC61010-1. 300V CAT II, Pollution degree 2 |
| EMC (Emission Immunity) |
IEC61326-1: Portable |
| 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 (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) without accessories
7.6 kg (16.8 lb) including accessories and batteries in carrying case |
| Case material |
Polyester |
| Measurement of interference voltage dc + ac (UST) |
| Measuring Limits of error: method |
Fullwave rectification |
| Measuring Range |
Display Range |
Resolution |
Frequency Range |
Limits of Error |
| 1 V to 50 V |
0.0 V to 50 V |
0.1 V |
dc/ac 45 Hz to 400 Hz sine |
± (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 Range |
Display Range |
Resolution |
Range |
Accuracy |
| 6.0 Hz to 400 Hz |
16.0 Hz to 299.9 Hz to 999 Hz |
0.1 Hz to 1 Hz |
1 V to 50 V |
± (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 R* |
| Noise rejection |
120 dB (162 / 3 , 50 , 60, 400 Hz) |
| Max. overload |
Urms = 250 V |
| Electrical measurement specifications |
| Intrinsic error or influence quantity |
Reference conditions or specified operating range |
Designation code |
Requirements or test in
accordance with the relevant
parts of IEC 1557 |
Type of test |
| Intrinsic error |
Reference conditions |
A |
Part 5, 6.1 |
R |
| Position |
Reference position ± 90° |
E1 |
Part 1, 4.2 |
R |
| Supply voltage |
At the limits stated by the manufacturer |
E2 |
Part 1, 4.2, 4.3 |
R |
| Temperature |
0 °C and 35 °C |
E3 |
Part 1, 4.2 |
T |
| Series interference voltage |
See 4.2 and 4.3 |
E4 |
Part 5, 4.2, 4.3 |
T |
Resistance of the probes and
auxiliary earth electrodes |
0 to 100 x RA but ≤ 50 kΩ |
E5 |
Part 5, 4.3 |
T |
| System frequency |
099 % to 101 % of the
nominal frequency |
E7 |
Part 5, 4.3 |
T |
| System voltage |
85 % to 110 % of the nominal voltage |
E8 |
Part 5, 4.3 |
T |
| Operating error |
|
Part 5, 4.3 |
R |
| Measuring Range |
Display Range |
Resolution |
Accuracy |
Operating Error |
0.020 Ω to
300 kΩ |
0.001 Ω to 2.999 Ω |
0.001 Ω |
± ( 2 % of rdg + 2 digit ) |
± ( 5 % of rdg + 5 digit ) |
| 3.00 Ω to 29.99 Ω |
0.01 Ω |
| 30.0 Ω to 299.9 Ω |
0.1 Ω |
| 0.300 kΩ to 2.999 kΩ |
1 Ω |
| 3.00 kΩ to 29.99 kΩ |
10 Ω |
| 30.0 kΩ to 299.9 kΩ |
100 Ω |
| Measuring time |
typ. 8 sec. with a fixed frequency
30 sec. max. with AFC and complete cycle of all measuring frequencies |
| Measuring error of RH and RS |
typ. 10 % of RE + RS + RH |
| Max. probe resistance |
≤ 1 MΩ |
| Max. auxiliary earth electrode resistance |
≤ 1 MΩ |
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Automatic check if error is kept within the limits required by IEC61557-5.
If after a measurement of probe-, auxiliary earth electrode- and earthing resistance, a measurement error of higher than 30 % is assumed because of the influencing conditions (see diagram), the display shows a warning symbol "!" and a notice that RS or RH are too high.
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| Automatic switchover of measuring resolution in dependence to auxiliary earth electrode resistance RH |
| RH with Umeas = 48 V |
RH with Umeas = 20 V |
Resolution |
| < 300 Ω |
< 250 Ω |
1 mΩ |
| < 6 kΩ |
< 2.5 kΩ |
10 mΩ |
| < 60 kΩ |
< 25 kΩ |
100 mΩ |
| < 600 kΩ |
< 250 kΩ |
1 Ω |
| Selective measurement of the earthing resistance |
| Measuring method |
Current and voltage measurement with probe as per EN61557-5 and current measurement in the individual branch with additional current transformer (patent applied for). |
| Open circuit voltage |
20/48 V ac |
| Short circuit current |
250 mA ac |
| Measuring frequency |
94, 105, 111, 128 Hz selected manually or automatically (AFC), 55 Hz (R*) |
| Noise rejection |
120 dB (162 / 3 , 50, 60, 400 Hz) |
| Max. overload |
Max. Urms = 250 V (measurement will not be started) |
| Measuring Range |
Display Range |
Resolution |
Intrinsic error* |
Operating error* |
| 0.020 Ω to 30 kΩ |
0.001 to 2.999 Ω |
0.001 Ω |
± (7 % of rdg + 2 digit) |
± (10 % of rdg + 5 digit) |
| 3.00 Ω to 29.99 Ω |
0.01 Ω |
| 30.0 Ω to 299.9 Ω |
0.1 Ω |
| 0.300 kΩ to 2.999 kΩ |
1 Ω |
| 3.00 kΩ to 29.99 kΩ |
10 Ω |
| * With recommended current clamps/transformers. |
| Type |
3 Pole, 4 Pole |
| Display (3 Pole Testers) |
Digital |
| Ground Resistance Range |
19.99 K Ohms |
| Accuracy |
± (2 % rdg + 3 d) |
| Measuring Current |
50 mA |
| Measuring Voltage |
48 V |
| Measuring Frequency |
128 Hz |
| Soil Resistivity |
Yes |
| Display Counts |
1999 |
| Stakeless Capability |
Yes |
| Power Supply |
Battery |
| CAT Rating |
II |
| CAT Voltage |
300 V |
| Optional Ground Kit Included |
Yes |
| Auto Ranging |
Yes |
| Unique Features |
-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) |
| Warranty |
2 YEARS |
| Calibration Included |
Factory Calibration |
| Power Supply Voltage |
Battery Powered |
| Data Logging |
No |
| Interfaces I/O |
USB |
| Storage |
Internal Memory |
| IP Rating |
IP40, IP56 |
| Product Weight |
2.43 LBS |
| Battery Type |
AA |
| Product Height |
7.56 IN |
| Product Length |
16.22 IN |
| Product Width |
20.67 IN |
| Shipping Weight |
21.8 LBS |
| ECCN Number |
3A992 |
| HTS/Schedule B Number |
9030390100 |
| Country of Origin |
Romania |
| Shipping Height |
7.56 IN |
| Shipping Length |
16.22 IN |
| Shipping Width |
20.67 IN |
| UPC |
095969340311 |
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Cases
| Product |
Price |
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Fluke C1620
Catalog #: 4359042
Professional Earth Ground Instrument Case
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$421.24
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Current Clamps
| Product |
Price |
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Fluke EI-1623
Catalog #: 2577115
Selective/Stakeless Clamp Set for Fluke 1623
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$1,040.24
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Fluke EI-162AC
Catalog #: 2577144
Clip-On Current Transformer (Inducing)
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$689.24
|
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Fluke EI-162X
Catalog #: 2577132
Clip-On Current Transformer with Shielded Cable Set
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$907.24
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Accessories
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