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Question posted by michaelbungay on February 23rd, 2018

Flashing Display

Display flashes in all modes when display attached but doesn't when detached.

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Related Fluke 381 Manual Pages

Fluke 381 Clamp Meter Product Datasheet - Page 1

... the art signal processing allows for even more flexibility. 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you remove the display for use in noisy electrical environments while providing stable readings...

Fluke 381 Clamp Meter Product Datasheet - Page 2

...,000 Ω 500 Hz Resolution 0.1 A 0.1 A 0.1 A 0.1 V 0.1 V 0.1 Ω 0.1 Hz • Accuracy 2 % ± 5 digits 3 % ± 5 digits 2 % ± 5 digits 1.5 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 0.5 % ± 5 digits Included Accessory 750 MCM or 2-500 MCM CAT III 1000V, CAT IV 600V 2 Fluke Corporation 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™

Fluke 381 Users Manual - Page 1

Specifications are trademarks of their respective companies. All product names are subject to change without notice. Printed in China. All rights reserved. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation.

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 ...

Fluke 381 Users Manual - Page 5

...Information" before you use the Meter. 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...363-5853) • Europe: +31 402-675-200 • Japan: +81-3-3434-0181 1 The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. How to 2500 A...

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 any combination of test probe, test probe accessory, current clamp accessory, and the Meter is permitted. CAT IV IEC Measurement Category IV CAT IV equipment...

Fluke 381 Users Manual - Page 11

... or television reception, which can cause harmful interference to radio communications. Remote Display True-rms Clamp Meter Radio Frequency Data Radio Frequency Data Note Changes or ...Fluke Corporation could void the user's authority to , personal computers, calculators, and equivalent electronic devices that interference will not occur in accordance with the limits for operation in a...

Fluke 381 Users Manual - Page 12

381 Users Manual off and on, the user is encouraged to try to correct the interference by one display module can be synchronized with a Meter base when it is docked on the Meter base and turned on when the display module is docked and the Rotary Function Switch is possible for help. Remote Display... does not hinder Meter measurements. Different display modules can be on . See Figure...

Fluke 381 Users Manual - Page 14

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 base illuminates to -reach areas and works well with large conductors. Auto Power Off The ...

Fluke 381 Users Manual - Page 16

...in the Meter base should be changed . When B appears, the batteries in the display. 12 When Q is first powered on the Meter base will affect the readings. The...calculates the starting current envelope. 381 Users Manual Inrush Inrush Current is surge current that occurs when an electrical device is displayed, the batteries for the removable display should be changed . Low Battery...

Fluke 381 Users Manual - Page 18

... and releases the reading when pushed a second time. 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 . 381 Users Manual Item A B C D E F G H I Table 2. Meter Features Description Current sensing Jaw...

Fluke 381 Users Manual - Page 22

... voltage is active. 18 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 sent to remote display. Min, Max, or Avg reading is taken at the Flexible Current Probe. 381 Users Manual Item...

Fluke 381 Users Manual - Page 24

... 0.5 A, the center dot in the display icon X will be steady. 2. Open ... the measured current is coming from the Jaw. If measuring dc, wait for the display to stabilize and then push Z to the proper function. Close the Jaw and center...each other. See Figure 4. 20 If current is no conductor inside the Jaw. 381 Users Manual Note Before zeroing the Meter, make sure the Jaws are closed and...

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 26

... the Flexible Current Probe. When the Rotary Function Switch is in the correct position, Y shows on the display, meaning that you close to hear and feel the Flexible Current Probe lock snap into place. 381 Users Manual AC Current (Flexible Current Probe) XW Warning To prevent possible electrical shock or personal injury...

Fluke 381 Users Manual - Page 27

... test lead to the COM terminal and the red test lead to the desired test points of the Meter is in the display icon (X) will flash on and off. View the reading on the Meter display. D 3. Turn the Rotary Function Switch to make sure that the Rotary Function Switch of the circuit. Remote...

Fluke 381 Users Manual - Page 30

...the COM terminal and the red test lead to K. 2. If the display reads OL, the circuit is displayed on the device under test off, turn the Meter Rotary Function Switch to...inrush current when starting a device such as a motor or light ballast. With the device under test. 381 Users Manual Resistance/Continuity To measure resistance or continuity: 1. If the resistance is < 30 Ω, continuity...

Fluke 381 Users Manual - Page 32

The frequency is displayed on the Meter to shift to A or D if the Flexible Current Probe is being used... avoid damaging the Meter, do not use aromatic hydrocarbons or chlorinated solvents for the measurement. 2. Push Z on the Meter display. 381 Users Manual Frequency Measurement (Jaw and Flexible Current Probe) To measure frequency: 1. Center the Jaw or Flexible Current Probe around the measurement...

Fluke 381 Users Manual - Page 35

Fluke Part Number Battery, AAA 1.5 V 5 2838018 Battery Door - Remote Display True-rms Clamp Meter User-Replaceable Parts User-Replaceable Parts Table 5. User-Replaceable Parts Description Qty. Display Module 1 3625529 Battery Door - Meter Base 1 3766406 Fluke 381 Remote Display 1 3766445 Soft Case 1 3752973 User Manual 1 3538357 31

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 Temperature 40 °C to +60 °C Operating Humidity Non condensing (< 10 °C) ≤ 90 % ...