Fluke 381 Support Question
Fluke 381 Support Question
Find answers below for this question about Fluke 381.Need a Fluke 381 manual? We have 2 online manuals for this item!
Question posted by gojoehammer on January 11th, 2019
High Voltage Sign
My fluke 381 meter has a red triangle that is lit up and will not measure voltage. I change out the batteries on both the meter and the remote.
Current Answers
Answer #1: Posted by BusterDoogen on January 11th, 2019 7:40 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,407
Member since:
October 30th, 2011 Points: 28,565,407
The general rule is when you get over 24VAC, or maybe 30VDC, you should start worrying about shocking yourself. This is based on how much current might pass through you body under worst conditions at this voltage. These are guidelines, nothing more. A 9V battery might kill you if you puncture your skin and pass the current from one hand to the other. Perfectly dry and thick skin hands might be able to withstand 220VAC without killing you. It all depends.
If a Fluke meter shows a danger symbol. it is best to start thinking about how you managing your safety. Nobody died from not touching the wrong thing.
I hope this is helpful to you!
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Answer #2: Posted by Odin on January 11th, 2019 10:25 AM
Odin
Member since:
April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
Related Fluke 381 Manual Pages
Fluke 381 Clamp Meter Product Datasheet - Page 1
..., CAT III 1000 V safety rating
• Integrated low pass filter and state of measurement for added flexibility without interference with a detachable, remote display for easier, faster, safer measurements
Technical Data
The new Fluke 381 does everything you would expect from a clamp meter, and then lets you remove the display for use in noisy electrical environments while...
Fluke 381 Clamp Meter Product Datasheet - Page 2
... automatically sets the correct measurement range so you do not need to change switch positions while taking a measurement
• Three-year warranty • Soft carrying case
Ordering information 381 Remote Display True-rms Clamp Meter with iFlex™
Specifications
Fluke 381 AC current via jaw AC current via iFlex™ DC current AC voltage DC voltage Resistance Frequency True-rms...
Fluke 381 Users Manual - Page 1
381
Remote Display True-rms
Clamp Meter
Users Manual
PN 3538357 July 2010 © 2010 Fluke Corporation. All product names are subject to change without notice. All rights reserved. Specifications are trademarks of their respective companies. Printed in China.
Fluke 381 Users Manual - Page 4
381 Users Manual
Display...17 Measurements...19
AC and DC Current (Jaw 19 AC Current (Flexible Current Probe 22 AC and DC Voltage 23 Resistance/Continuity 26 Inrush Current Measurement (Jaw and Flexible Current Probe 26 Frequency Measurement (Jaw and Flexible Current Probe 28 Maintenance...28 Cleaning the Meter and Flexible Current Probe 28 Battery Replacement 29 User...
Fluke 381 Users Manual - Page 5
The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. The Remote Display can be easily read away from the measurement source. This lets the display be removed from the Meter body and read in difficult-measurement situations such as a hazardous environments, or very tight spaces. How to 2500 A ac) and larger cables that has...
Fluke 381 Users Manual - Page 6
... world: +1-425-446-5500 Or, visit Fluke's website at the insulation around the connectors. • Never measure ac current while the test leads are explained in this manual are inserted into the input jacks. • Make sure the battery door is closed and latched before operating the Meter. • Remove the test leads from...
Fluke 381 Users Manual - Page 8
See Figure 2. • Disconnect circuit power and discharge all high-voltage capacitors before you
do diode tests or measure resistance, continuity, or capacitance. • Do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A
with the Meter Jaw. • Never operate the Meter with the back cover removed or the case open. •...
Fluke 381 Users Manual - Page 9
... waste. T
Double insulated
~
Do not dispose of Danger. Symbols
Symbol
B F
Meaning AC (Alternating Current) DC (Direct Current)
Symbol
J P
Meaning Earth ground AC and dc current. B
Battery.
X
Hazardous voltage
P
Conforms to European Union
directives. Important
information.
Remote Display True-rms Clamp Meter Safety Information
Table 1.
Fluke 381 Users Manual - Page 10
381 Users Manual
Symbol
Meaning
Symbol
Meaning
CAT III
IEC Measurement Category III
CAT III equipment has protection against transients from HAZARDOUS LIVE conductors is the LOWEST rating of test probe, test probe accessory, current clamp accessory, and the Meter is permitted. Do not apply to relevant Australian standards.
-
CAT IV
IEC Measurement Category IV
CAT IV...
Fluke 381 Users Manual - Page 11
..., but are not limited to, personal computers, calculators, and equivalent electronic devices that are designed to operate the equipment. This device can cause...Meter was tested and found to comply with Part 15 of the device. Remote Display True-rms Clamp Meter Radio Frequency Data
Radio Frequency Data
Note
Changes or modifications to the wireless 2.4 GHz radio not expressly approved by Fluke...
Fluke 381 Users Manual - Page 12
... signal to be on when the display module is docked and the Rotary Function Switch is set to OFF. Although there is control of some Meter functions (Hold, MIN MAX AVG, and Backlight), complete remote control of the measures that the radio signal is off, remove the batteries from the Meter base and display module.
Fluke 381 Users Manual - Page 14
... more information about the Flexible Current Probe, see "Current Measurement (Flexible Current Probe)". 381 Users Manual
Hazardous Voltage Indicator When the Meter senses a voltage ±30 V or a voltage overload (OL), Y is shown on the display and the red high-voltage LED () on the Meter.
10 Auto Power Off The Meter powers off , turn the Rotary Function Switch OFF and then...
Fluke 381 Users Manual - Page 16
Low Battery Indicators The Meter uses two low battery symbols: Band Q. Measurements are one example of such an event. When B appears, the batteries in the display.
12 The Meter can capture this surge current reading. Current spikes from motor drives are not affected by low batteries in the Meter base should be changed . When Q is first powered on the Meter base...
Fluke 381 Users Manual - Page 18
... in current, voltage, and frequency modes.
14 Hazardous-voltage indicator
Display release button
Display
Backlight button: turns the Backlight on for 2 seconds to exit min max mode.
Hold L for 2 minutes when there is no button or switch interaction and then shuts off . Min Max button: when first pushed, the Meter shows maximum input...
Fluke 381 Users Manual - Page 20
DC current
AC current and frequency measurement using the Flexible Current Probe.
Push Z to shift to frequency. Push Z to shift to frequency.
16 Rotary Function Switch
Meter is powered down AC voltage DC voltage
Function
Resistance and continuity
AC current. 381 Users Manual
Switch Position
OFF K L
K A
C
D
Table 3.
Fluke 381 Users Manual - Page 22
... Flexible Current Probe. Min Max mode is present. Display
Description
Item
Inrush is active
H
Hold is active
I
C
Volts
J
D
Amps
K
E
Ohms, DC, AC, Hz
L
F
Main display
M
G
Remote display low-battery symbol
N
O
Description
Meter base low-battery symbol
Measurement is being shown. 381 Users Manual
Item A B
Table 4.
Continuity
Hazardous voltage is active.
18
Fluke 381 Users Manual - Page 24
...conductor into the Jaw. 4. See Figure 4.
20 Turn the Rotary Function Switch to zero the Meter. 3. If measuring dc, wait for the display to stabilize and then push Z to the proper function.
If ...insert the conductor into the clamp at a time. See Figure 4. To measure ac or dc current: 1. 381 Users Manual
Note Before zeroing the Meter, make sure the Jaws are closed and there is < 0.5 A, ...
Fluke 381 Users Manual - Page 25
Current Measurement with Jaw
ghn04.eps
21 CAT 1000 V CAT 600 V
1000 A
Remote Display True-rms Clamp Meter Measurements
6C01A0C0TV0A0TV
381 TRRMEMS OCTLEAMDPISPMLEATYER iFlex
1000 A
Figure 4.
Fluke 381 Users Manual - Page 35
Fluke Part Number
Battery, AAA 1.5 V
5
2838018
Battery Door - Meter Base
1
3766406
Fluke 381 Remote Display
1
3766445
Soft Case
1
3752973
User Manual
1
3538357
31 Display Module
1
3625529
Battery Door -
Remote Display True-rms Clamp Meter User-Replaceable Parts
User-Replaceable Parts
Table 5. User-Replaceable Parts
Description
Qty.
Fluke 381 Users Manual - Page 42
381 Users Manual
Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C to +50 °C Storage ...8804; 45 % RH (at 40 °C to 50 °C) (Without Condensation) Operating Altitude 2000 meters Storage Altitude 12,000 meters EMI, RFI, EMC, RF EN 61326-1:2006, EN 61326-2-2:2006 ETSI EN 300 328 V1.7.1:2006 ETSI ...
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