Fluke 355 Support Question
Fluke 355 Support Question
Find answers below for this question about Fluke 355.Need a Fluke 355 manual? We have 2 online manuals for this item!
Question posted by bennykittoop on August 13th, 2015
Clamp Meter Out Of Accuracy
fluke model 355 out of accuracy showing more
Current Answers
Answer #1: Posted by waelsaidani1 on September 6th, 2015 10:38 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,787
Member since:
May 12th, 2013 Points: 19,501,787
troubleshooting variable speed drives (VSD), the input bandwidth of a meter can become very important toward getting a meaningful reading. Due to the high harmonic content in the signal coming out of a VSD to the motor, a DMM would measure most of the voltage content depending on its input bandwidth. Measuring the voltage output of a VSD is not a common measurement; if you did the reading would be higher. A motor connected to a VSD only responds to the average value of the signal, and to measure that power, the input bandwidth of the meter must be narrower than its DMM counterpart. The Fluke 337 Clamp Meter has been specifically designed for testing and troubleshooting VSDs.
How to make voltage measurements
- Select Volts AC (V~) or Volts DC (V ), as desired.
- Plug the black test probe into the COM input jack. Plug the red test probe into the V input jack.
- Touch the probe tips to the circuit across a load or power source (in parallel to the circuit).
- View the reading, being sure to note the unit of measurement.
- (Optional) Press the HOLD button to freeze the reading in the display. Now you can remove the meter from the live circuit and then read the display when you are safely clear of the electrical hazard.
Related Fluke 355 Manual Pages
Fluke 353 and 355 Clamp Meter Datasheet - Page 1
...'
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 the true-rms, Fluke 355/353 Clamp Meters;
Fluke 355/353
True-rms 2000 A Clamp Meters
Technical Data
High current...
Fluke 353 and 355 Clamp Meter Datasheet - Page 2
...)
Range 400 Ω 4 kΩ 40 kΩ 400 kΩ
Resolution 0.1 Ω 1 Ω 10 Ω 100 Ω
Accuracy 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
Range
Resolution
Accuracy
Trigger Level for Hz Filter OFF
4 V
1 mV
3 % rdg + 10 digits
0.050 V
40 V
10 mV
3 % rdg + 5 digits
0.25...
Fluke 353 and 355 Clamp Meter Datasheet - Page 3
... Test Leads, TP2 Test Probes, AC285 Alligator Clips, and users manual
Fluke-355
3 Fluke Corporation Fluke 355/353 True-rms 2000 A Clamp Meters
Fluke. Continuity beeper (355 only)
On at ≤ 30 Ω Off at ≥ 100 Ω
Frequency measurement
Measurement range Resolution Accuracy - 5.0 Hz to 100 Hz Accuracy - 100.1 Hz to 1 kHz Trigger level
General specifications
Batteries Battery life...
Fluke 353 & 355 Users Manual - Page 1
All product names are trademarks of their respective companies. Printed in China. ®
353/355 Clamp Meter
Users Manual
PN 2842223 October 2007
© 2007 Fluke Corporation, All rights reserved.
Fluke 353 & 355 Users Manual - Page 3
Table of Contents
Title
Page
Introduction ...1 Contacting Fluke ...1 Safety Information ...2 Features ...5 Display ...7 Using the Meter ...8
Measuring AC or DC Current 8 Measuring Inrush Current 9 Measuring AC and DC Voltage (355 only 10 Testing Continuity (355 only 12 Measuring Resistance (355 only 13 Maintenance...14 Cleaning the Meter ...14 Changing the Batteries 14 User Replaceable ...
Fluke 353 & 355 Users Manual - Page 9
... rms voltage, and resistance. Register the Meter at : www.fluke.com. The Meter ships with: • TL224 Test leads (355 only) • AC285 Clips (355 only) • TP74 Test Probes (355 only) • Soft carrying case • 6 AA/LR6 Batteries, installed • 353/355 Users Manual (7 languages)
Clamp Meter
Contacting Fluke
To contact Fluke, call one of the following telephone numbers...
Fluke 353 & 355 Users Manual - Page 10
... measuring current, center the conductor in the clamp. Contact with the back
cover removed or the case open. • Never remove the back cover or open the
case of
the Meter- 600 V rms and 1 kHz or ... measurements. 353/355
Users Manual
Safety Information
XWWarnings: Read First
To avoid possible electric shock or personal injury: • Use the Meter only as marked on the Meter, between the
...
Fluke 353 & 355 Users Manual - Page 11
... the common test lead before testing
resistance, continuity, or diodes. • Use only 6 AA/LR6 batteries, properly
installed in the jaw opening is not visible. Clamp Meter
Safety Information
• To avoid false readings that can lead to local and national safety codes. Check...
Fluke 353 & 355 Users Manual - Page 12
...removal from the primary supply level, such as an electricity meter or an overhead or underground utility service. Conforms to requirements ...against transients in equipment in large buildings. Go to operation instructions.
Canadian Standards Association
4 Refer to Fluke's web site for recycling information. Explanation of Symbols
Explanation
Risk of this product as distribution panels, ...
Fluke 353 & 355 Users Manual - Page 13
...)
Common input terminal. (355 only)
Min Max button -When first pressed, the Meter shows maximum input. Inrush button- Range button- Clears last reading from a ASD or VFD motor speed controller. With subsequent presses, the minimum and the average inputs are shown.
Features and Buttons
Number
A B C
D E
F G H
I
J K
Description
Current sensing clamp
Rotary function switch
Hold button...
Fluke 353 & 355 Users Manual - Page 15
... display
M
Main display
N
Hazardous voltage present
O
Continuity symbol
P
Inrush mode is active
Min, Max, Avg, or Live modes. time reading.
The Display
5
6 7 8 9
10
fbq01.eps
Clamp Meter Features
Table 4. Live mode is
E
active with Min Max and designates the real- Display
Figure 2 and Table 4 explain the display.
1
23
4
16
15
14
MAXMINAVGLIVE...
Fluke 353 & 355 Users Manual - Page 16
....
XWWarning
To avoid possible electric shock or personal injury, if current is moving in opposite directions, place only ONE conductor into the clamp at a time. See Figure 3.
600 V 355 AC/DC CLAMP METER
Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC A
V
V
VAC+DC
RANGE
HOLD ZERO
INRUSH
Hz
MIN MAX
FILTER
COM...
Fluke 353 & 355 Users Manual - Page 17
...
VAC+DC
RANGE
HOLD ZERO
INRUSH
Hz
MIN MAX
FILTER
COM
V
600 V CAT 1000 V CAT
2A
INRUSH
3
355 AC/DC CLAMP METER Auto Range
TRUE RMS
2000 A
600 V CAT
A OFF
A
AC+DC A
V
V
VAC+DC
RANGE
HOLD ZERO... system under test powered down, place the
source wire into the Meter jaws. 2. Press E on the Meter. 4. See Figure 4. Measuring Inrush Current
Inrush current is surge current that...
Fluke 353 & 355 Users Manual - Page 18
... frequency reading on the display. 5. Turn the rotary function switch to the V terminal. AC Voltage Measurement
fbq05.eps See Figures 5 and 6.
10
353 AC/DC CLAMP METER Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC
A
V
V
VAC+DC
RANGE
HOLD ZERO
INRUSH
Hz
MIN MAX
FILTER
COM
V
600 V CAT 1000 V CAT...
Fluke 353 & 355 Users Manual - Page 19
DC Voltage Measurement
fbq06.eps
Clamp Meter Using the Meter
11 355 AC/DC CLAMP METER Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC
A
V
V
VAC+DC
RANGE
HOLD ZERO
INRUSH
Hz
MIN MAX
FILTER
COM
V
600 V CAT 1000 V CAT
Figure 6.
Fluke 353 & 355 Users Manual - Page 20
...all capacitors are discharged. If the resistance is open (B) or above 399.9 Ω. See Figure 7.
355 AC/DC CLAMP METER Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC A
V
V
VAC+DC...
RANGE
HOLD ZERO
INRUSH
Hz
MIN MAX
FILTER
COM
V
600 V CAT 1000 V CAT
355 AC/DC CLAMP METER Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC A
V
V
VAC+DC
RANGE
HOLD ...
Fluke 353 & 355 Users Manual - Page 21
...that dangerous voltages may be present at the input terminals and may not be displayed
Clamp Meter Using the Meter
355 AC/DC CLAMP METER Auto Range
2000 A
TRUE RMS 600 V CAT
A OFF
A
AC+DC
... the circuit is turned off and all capacitors are discharged. See Figure 8. Measuring Resistance (355 only)
XW Warning
To avoid possible electric shock or personal injury, when measuring resistance in...
Fluke 353 & 355 Users Manual - Page 22
... Observe correct polarity when installing the batteries. 4. Turn the Meter off and disconnect the test leads. 2. 353/355 Users Manual
Maintenance
XW Warning
To avoid electrical shock, or ...
14
Cleaning the Meter
WCaution
To avoid damaging the meter, do not touch the circuit board without proper static protection. • If the Meter is not going to Contacting Fluke for more information....
Fluke 353 & 355 Users Manual - Page 23
...1.5 % rdg + 15 digits 1.5 % rdg + 5 digits
1.5 % rdg + 5 digits
Current Measurement 100.1 Hz to 1 kHz
Range Resolution
Accuracy > 10 A
40 A
10 mA 3.5 % rdg + 15 digits
400 A
100 mA 3.5 % rdg + 5 digits
2000 A; 1400 ac rms
1 A
3.5 % rdg + 5 digits
Clamp Meter Specifications
Trigger Level for Inrush
0.50 A 5.0 A
5 A
Trigger Level for Hz
Filter OFF
2.50 A 2.5 A
8 A
Trigger Level for Hz...
Fluke 353 & 355 Users Manual - Page 25
Continuity Beeper (355)
On at ≤ 30 Ω Off at ≥ 100 Ω
Frequency Measurement
Measurement Range
5.0 Hz to 1 kHz
Resolution
Accuracy 5.0 to 100 Hz
0.1 Hz (15 Hz to 399.9 Hz) 1 Hz ( 400 Hz to 1 kHz)
0.2 % + 2 counts
Accuracy 100.1 Hz to 1 kHz
0.5 % + 5 counts
Trigger Level
Refer to current and voltage tables
Clamp Meter Specifications
General Specifications...
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