Fluke 355, 353 Specifications
Fluke 355/353
N10140
True-rms 2000 A Clamp Meters
High current and
a large jaw, make
these clamps
well suited for
industrial and
utility applications
Confidently take reliable readings
with the true-rms, Fluke 355/353
Clamp Meters; the tools of choice
for high-current measurements
up to 2000 A. The extra-wide
jaw easily clamps around large
conductors typically found in highcurrent applications. The rugged
design and CAT IV 600 V, CAT III
1000 V ratings, add an extra element of protection when taking
high-powered measurements.
Technical Data
Accurate peak measurements
can be taken using the in-rush
current mode, ideal for motors
and inductive loads. The 355 also
measures voltage and resistance,
making this the most versatile tool
for utilities, electrical contractors,
and industrial service technicians.
Reliably handle a wide range of high-current
•
applications with 2000 A ac + dc true-rms,
1400 A ac, and 2000 A dc
The large 58 mm (2.3 in) jaw capacity is suitable for
•
large, or multiple conductors
CAT IV 600 V, CAT III 1000 V rating for added user
•
protection
In-rush current measurement captures ‘power-on’
•
surge current with accuracy and repeatability
High voltage measurement of 1000 V ac + dc
•
true-rms, 600 V ac, and 1000 V dc allows users to
perform multiple tests with only one tool (355 only)
Resistance to 400 kW coupled with a continuity
•
beeper, provide the convenience of a multimeter
(355 only)
Accurately measure frequency up to 1 kHz for
•
optimum troubleshooting
Quickly analyze readings using the MIN, MAX, and
•
AVG functions
A large backlit display allows for easy visibility in
•
low-lit areas
Use the display hold feature to capture readings
•
even when the display cannot be viewed
Use the low-pass filter to smooth out noisy loads
•
and stabilize readings
Specifications
Electrical specifications
Current measurement dc and ac 10 Hz to 100 Hz
Range Resolution Accuracy, A Trigger Level for
40 A 10 mA 1.5 % rdg + 15 digits 0.50 A 2.50 A 0.50 A
400 A 100 mA 1.5 % rdg + 5 digits 5.0 A 2.5 A 2.5 A
2000 A;
1400 ac rms
1 A 1.5 % rdg + 5 digits 5 A 8 A 8 A
Inrush
Crest Factor (50/60 Hz)
Range Crest Factor*
40 A 2 @ 33 A, 2.4 @ 27 A
400 A 2 @ 330 A, 2.4 @ 270 A
2000 A; 1400 ac rms 2 @ 1000 A, 2.4 @ 833 A
*Add 2 % to error spec for CF > 2
Current measurement ac 100.1 Hz to 1 kHz
Range Resolution Accuracy > 10 A Trigger Level for
40 A 10 mA 3.5 % rdg + 15 digits 0.50 A 2.50 A 0.50 A
400 A 100 mA 3.5 % rdg + 5 digits 5.0 A 2.5 A 2.5 A
2000 A;
1400 ac rms
1 A 3.5 % rdg + 5 digits 5 A 8 A 8 A
Inrush
Trigger Level
for Hz
Filter OFF
Trigger Level
for Hz
Filter OFF
Trigger Level
for Hz
Filter ON
Trigger Level
for Hz
Filter ON
Voltage measurement (355 only) dc and ac 10 Hz to 100 Hz
600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.
Range Resolution Accuracy Trigger Level for Hz
Filter OFF
4 V 1 mV 1 % rdg + 10 digits 0.050 V 0.050 V
40 V 10 mV 1 % rdg + 5 digits 0.25 V 0.25 V
400 V 100 mV 1 % rdg + 5 digits 6 V 6 V
600 V ac rms 1 V 1 % rdg + 5 digits 6 V 6 V
1000 V dc 1 V 1 % rdg + 5 digits N/A N/A
Trigger Level for Hz
Filter ON
Voltage measurement (355 only) ac 100.1 Hz to 1 kHz
600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.
Range Resolution Accuracy Trigger Level for Hz
Filter OFF
4 V 1 mV 3 % rdg + 10 digits 0.050 V 0.050 V
40 V 10 mV 3 % rdg + 5 digits 0.25 V 0.25 V
400 V 100 mV 3 % rdg + 5 digits 6 V 6 V
600 V ac rms 1 V 3 % rdg + 5 digits 6 V 6 V
Trigger Level for Hz
Filter ON
Ohms measurement (355 only)
Range Resolution Accuracy
400 W 0.1 W
4 kW 1 W
40 kW 10 W
400 kW 100 W
1.5 % + 5 digits
1.5 % + 5 digits
1.5 % + 5 digits
1.5 % + 5 digits
2 Fluke Corporation Fluke 355/353 True-rms 2000 A Clamp Meters
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