Fluke i5s User manual

®
Instruction Sheet
i5s AC Current Clamp
Introduction
The i5s (hereafter called the “Current Clamp”) is compatible with any instrument that can accept
a standard BNC connector and is capable of ac millivolt measurements; the Current Clamp can
also be used with digital multimeters using a BNC-to-dual banana plug adapter. The Current
Clamp produces an output of 400 mV ac per 1 A ac input level.
Contacting Fluke
To contact Fluke, call one of the following telephone numbers:
USA: 1-888-44-FLUKE (1-888-443-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: [phone]
Japan: [phone]
Singapore: [phone]
Anywhere in the world: [phone]
USA Service: 1-888-99-FLUKE (1-888-993-5853)
Or, visit Fluke's Web site at www.fluke.com.
To register your product, visit register.fluke.com
Safety Information
XW Read First: Safety Information
To ensure safe operation and service of the Current Clamp, follow these instructions:
•Read the operating instructions before use and follow all safety instructions.
•Use the Current Clamp only as specified in the operating instructions, otherwise the
clamp’s safety features may not protect you.
•Adhere to local and national safety codes. Individual protective equipment must be
used to prevent shock and arc blast injury where hazardous live conductors are
exposed.
•Do not hold the Current Clamp anywhere beyond the tactile barrier, see Figure 1.
•Before each use, inspect the Current Clamp. Look for cracks or missing portions of the
clamp housing or output cable insulation. Also look for loose or weakened
components. Pay particular attention to the insulation surrounding the jaws.
•Never use the Current Clamp on a circuit with voltages higher than 600 V CAT III.
•CAT III equipment is designed to protect against transients in equipment in fixed
equipment installations, such as distribution panels, feeders and short branch circuits,
and lighting systems in large buildings.
•The Clamp is designed for use on insulated conductors only. Use extreme caution when
working around bare conductors or bus bars. Contact with the conductor could result in
electric shock.
•Use caution when working with voltages above
60 V dc or 30 V ac rms. Such voltages pose a shock hazard.
Symbols
-Do not apply around or remove from HAZARDOUS LIVE conductors.
TProduct is protected by double insulation.
WRisk of Danger. Important information. See Instruction Sheet.
XRisk of Electric Shock.
)Canadian Standards Association has certified that the product meets applicable U.S.
and Canadian Standards.
PConforms to relevant European Union directives.
PN 2458104 May 2005
© 2005 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
Safety Specifications
Category Rating: CAT III 600 V per IEC/EN61010-1, Pollution Degree 2
EMC: EN 61326-1, FCC for emission and immunity
)Complies with U.S. and Canadian Standards CAN/CSA C22.2 No. 61010-1-04 and
No. 61010-2-032-04; UL61010-1
PIEC 61010-1 2nd Edition IEC 61010-02-032
Electrical Specifications
Reference Conditions: 23 ± 5 °C, 20 to 75 % RH; conductor centered in jaw opening;
no DC component; no adjacent conductor.
Measurement Range: 10 mA to 6 A
Output: 400 mV/A
Accuracy (48 Hz to 65 Hz):
10 mA to 1 A 1% + 5 mA
1 A to 5 A 1%
Phase Shift (48 Hz to 65 Hz):
10 mA to 100 mA Unspecified
100 mA to 5 A 4 °
Crest Factor: ≤3, add 0.7 % to accuracy
Typical Bandwidth: 40 Hz to 5 kHz
Working Voltage: 600 V ac rms, in compliance with EN61010
Common Mode Voltage: 600 V ac rms from earth ground, in compliance with EN61010
Input Load Impedance (of host instrument): >1 M Ωin parallel with up to 47 pF
Maximum Non-destructive Current: 70 A
Duty Cycle: 0.01 A to 6 A continuous
Influence of Adjacent Conductor: ≤15 mA/A (@ 50/60 Hz)
Influence of Conductor Position in Jaw Opening: ±0.5 % of reading (@ 50/60 Hz)
General Specifications
Output Cable Length: 2.5 m
Maximum Conductor Size: 15 mm
Storage Temperature: -20 °C to 60 °C
Operating Temperature: 0 °C to 50 °C
Relative Humidity: 10 °C to 30 °C: 85 %
30 °C to 40 °C: 75 %
40 °C to 50 °C: 45 %
Temperature Coefficient: 0.01 % X (specified accuracy)/ °C
(< 18 °C or > 28 °C)
Altitude: Operating: 2000 m; Non-operating: 12000 m
Dimensions: 116 x 43 x 23 mm
Weight: 200 g
Instrument Compatibility
The Current Clamp is compatible with any Fluke Multimeter or any other current measurement
device that has the following features:
•BNC or Banana inputs
•Input accuracy of 1 % or better to take full advantage of the accuracy of the Current Clamp.
•Input impedance of > 1 M Ωin parallel with up to 47 pF
Note
Current input impedance on the Fluke 430 Series Three-Phase Power Quality Analyzer is
< 1 MΩ, but it has a special calibration setting for the i5s to achieve full accuracy.
Measurement Considerations
•Center the conductor inside the Current Clamp jaw.
•Make sure the Current Clamp is perpendicular to the conductor.
•For optimal reading, make sure the conductor is centered in the jaws of the Current
Clamp.
Observe the following guidelines when making measurements:
•Avoid taking measurements close to other current-carrying conductors.
Operation
To use the Current Clamp, refer to “Measurement Considerations” and Figure 1:
1. If necessary, add a dual banana plug to BNC adapter to the i5s BNC connector.
2. Connect the clamp cable to the instrument. If using an adapter, use the common and
volts inputs of the meter and switch it on.
3. Make sure the measurement instrument is set to the proper range.
4. Make sure the arrows on each side of the Current Clamp face towards the load of the
circuit.
5. Open the Current Clamp jaw by pushing the release button toward the jaw until the latch
has cleared the barrier, then press down to open the jaw.
6. Connect the Current Clamp jaws around the insulated conductor to be measured and
release the button. Ensure that the release button has returned to the original position to
resume the circuit testing.
XW Warning
To avoid shock or personal injury, keep fingers behind the tactile barrier, see Figure 1.
Single Insulated
Current Carrying
Conductor
600VCATIII
i5s
AC CURRENT CLAMP
SERIALNUMBER
Tactile Barrier
Load Direction
Arrow
BNC Connector
Banana
Plug
Release
Button
cab01f.eps
Figure 1. i5s Setup
Maintenance
XW Warning
To avoid possible electric shock or personal injury:
•Before each use, inspect the Current Clamp. Look for cracks or missing portions of the
clamp housing and output cable insulating cover and for loose or weakened components.
Pay particular attention to the insulation surrounding the clamp jaws.
•Do not use a damaged Current Clamp. If a clamp is damaged, tape it shut to prevent
unintended operation. A damaged clamp under warranty will be promptly repaired or
replaced (at Fluke’s discretion) and returned at no extra charge.
If the Current Clamp does not work or perform properly, use the following steps to help isolate
the problem:
1. Inspect the jaw mating surface for cleanliness. If any foreign material is present, the jaw will
not close properly and measurement errors will result.
2. Verify that the function selection and range on the Multimeter are correct and adjusted to the
sensitivity of the Current Clamp.
Cleaning
Periodically wipe the case with a damp cloth and mild detergent.
WCaution
To avoid damaging the Current Clamp, do not use abrasives or solvents to
clean the clamp.
Open the jaws and wipe the magnetic pole pieces with a lightly oiled cloth. Do not allow rust or
corrosion to form on the magnetic core ends.
LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for one year from the
date of purchase. This warranty does not cover fuses, disposable batteries, or damage from
accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or
handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf. To obtain
service during the warranty period, contact your nearest Fluke authorized service center to obtain
return authorization information, then send the product to that Service Center with a description
of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR
A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING
FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the exclusion or
limitation of an implied warranty or of incidental or consequential damages, this limitation of
liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99

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