Fluke 1630 Instruction manual

Technical Data

Fluke 1630

Earth Ground Clamp Meter

• A wide ground loop resistance range, from 0.025 Ωto1500 Ω, to

satisfy all requirements

• Large jaw opening of 35 mm (1.38 in) for tests on ground conductors

and/or equipotential bus bars

• Measurement of ground leakage current, from 0.2 mA to 1000 mA,

without needing to disconnect - ideal for system troubleshooting

• Wide ac current measurement range from 0.2 A to 30 A allows one

instrument for multiple applications

• Continuity loop test - quickly assess whether resistance is less than

40 Ω, with audible alarm

• User-defined HI / LO Alarm limits, for rapid measurement evaluation

•Handy “Display-Hold” button for capturing readings in

hard-to-reach places

•Time saving memory function automatically records and

stores measured values

•Automatic self calibration ensures correct measurement every time

The clamp-on ground testing technique used by

the Fluke 1630 simplifies ground loop testing and

enables non-intrusive leakage current measurement.

The compact and rugged design makes the Fluke

1630 easy to use in small places and harsh environ-

ments, while the “Display-Hold” and the continuity test-

ing with an audible alarm function, ensures convenience

in use. The novel technique means that earth ground

loop testing and continuity testing can be completed

without breaking the circuit.

Earth Ground loop resistance measurements

for commercial, industrial, and utility applications

2 Fluke Corporation Fluke 1630 Earth Ground Clamp Meter

Stakeless testing system

The Fluke 1630 uses the Stakeless testing method,

which eliminates the need to disconnect parallel

ground rods and find suitable locations for

placing auxiliary ground stakes. This saves time

and enables users such as industrial and utility

electricians, and field service electricians and

contractors, to perform earth ground loop tests

in locations where it is not possible to use other

techniques, such as inside buildings or on power

pylons. With the Stakeless testing method, earth

ground stakes are no longer necessary. The Fluke

1630 Earth Ground Clamp is placed around the

earth ground rod or the connecting cable. A known

voltage is induced by one half of the clamp and

the current is measured by the other half. The

tester automatically determines the ground loop

resistance at this grounding connection.

Applications

•Earth Ground loop testing in various installations

- for example, high voltage pylons, buildings, cell

phone substations, RF transmitters, etc.

•Inspection of lightning protection systems

•Leakage current measurement

General specifications

Operating error Refers to the operating temperature range and is guaranteed

for 2 years

Storage temp. range -20 °C to 60 °C (-4 °F to 140 °F )

Reference temp. range 23 °C ± 5 °C (73 °F ± 9 °F )

Storage humidity < 75 % RH

Operating humidity < 85 % RH

Display 9999 digit LC-display with special symbols

Protection IP20 according to IEC 529/EN 60529

Safety 300 V, CAT III / pollution degree 2 IEC 61010-1

Weight 640 g (1.4 lb)

Conductor size 35 mm (1.38 in) approximately

Dimension (length x width x depth) 257 mm x 100 mm x 47 mm

(1 in x 3.9 in x 1.9 in)

Emission IEC 1000 4-2, IEC 61326-1 class B

Immunity IEC 61000-4-2, 8 kV (air) criteria A

IEC 61000-4-3, 3 V/m performance criteria A

Range selection Auto

Overload indicator “OL” on display

Measuring time 0.4 sec

Measuring frequency 3.333 kHz

Battery type 9 V alkaline (type IEC 6 LR 61)

Battery life ≥8 hours (continuous operation)

Power consumption 40 mA

Low battery indication Display symbol

3 Fluke Corporation Fluke 1630 Earth Ground Clamp Meter

Ground Loop Resistance (Autorange)

Operating temperature: 0 °C to 50 °C (14 °F to 122 °F)

Range Resolution Operating error1

0.025 - 0.250 Ω 0.002 Ω± 1.5 % rdg ± 0.05 Ω

0.250 - 9.999 Ω0.02 Ω± 1.5 % rdg ± 0.1 Ω

10.00 - 99.99 Ω0.04 Ω± 2.0 % rdg ± 0.3 Ω

100.0 - 199.9 Ω 0.4 Ω± 3.0 % rdg ± 1.0 Ω

200.0 - 400.0 Ω2 Ω± 5.0 % rdg ± 5 Ω

400.0 - 600.0 Ω5 Ω± 10 % rdg ± 10 Ω

600.0 - 1500 Ω20 Ω± 20 %

1Note: Loop resistance with no inductance, external magnetic

field < 50 A/m, external electrical field < 1 V/m, conductor centered.

Continuity

Beep if resistance < approx. 40 Ω

Ground/leakage current mA~

(Autorange, 50/60 Hz, true-rms, crest factor < 3.0)

Operating temperature: -10 °C to 50 °C (14 °F to 122 °F)

Range Resolution Operating error

0.200 - 1.000 mA 0.001 mA ± 2.5 % rdg ± 0.05 mA

1.00 - 10.00 mA 0.01 mA ± 2.5 % rdg ± 0.05 mA

10.0 - 100.0 mA 0.1 mA ± 2.0 % rdg ± 0.3 mA

100 - 1000 mA 1 mA ± 2.0 % rdg ± 3 mA

Current A~

(Autorange, 50/60 Hz, true-rms, crest factor < 3.0 )

Operating temperature: -10 °C to 50 °C (14 °F to 122 °F)

Range Resolution Operating error

0.20 - 15.00 A 0.01 A ± 2.0 % rdg ± 0.03 A

15.00 - 30.00 A 0.01 A ± 3.0 % rdg ± 0.03 A

HI/LO Limit Evaluation

Values from 0 Ωto 1510 Ωmay be preset for automatic comparison. If the

measured value is outside of the limit an audible and visual signal is given.

Recording

Measured values can be saved or logged with a defined time interval from

1 to 255 s. Recorded values may then be recalled on the display of the

instrument.

Fluke. Keeping your world

up and running.™

The Fluke 1630 Earth Ground Clamp

Meter includes:

•Carrying case with strap

•Resistance test loop

•Users manual in English, French,

Spanish, German, Italian, Portuguese

and Simplified Chinese

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