Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®
Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex® is rated out of 5 by 27.
Key features
- Wireless technology allows the display to be carried up to 30 ft. away from the point of measurement with measurement accuracy
- Removable magnetic display can be mounted where it is easily seen
- iFlex® Flexible Current Probe expands the measurement range to 2500 A AC
- CAT IV 600 V, CAT III 1000 V
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Product overview: Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®
What once took two people, now takes one
Now one technician can do jobs that would otherwise require two people. Clamp the Fluke 381 around a conductor, remove the display and walk across the room to operate controls or remove protective equipment, all while watching real-time readings.
The iFlex® Flexible Current Probe (included) expands the measurement range to 2500 A AC while providing increased display flexibility. With a cord that runs 6 feet, you can finally measure those tight spaces, awkward sized conductors and disorganized wires.
Other key features
- Integrated low pass filter and state-of-the-art signal processing allows for use in noisy electrical environments while providing stable readings
- Proprietary inrush measurement technology to filter out noise and capture motor starting current exactly as the circuit protection sees it
- Ergonomic design fits in your hand and can be used while wearing protective equipment
- Radio transmitter automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement
- Three-year warranty
What's in the box:
- 381 Remote Display Clamp Meter
- (1 pair) TL75 test leads
- (1 pair) AC175 alligator clips
- 18-inch iFlex®flexible current probe
- Soft carrying case
Specifications: Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®
| Electrical Specifications | ||||
| AC Current via Jaw | ||||
| Range | 999.9 A | |||
| Resolution | 0.1 A | |||
| Accuracy | 2% ± 5 digits (10-100 Hz) 5% ± 5 digits (100-500 Hz) | |||
| Crest Factor (50/60 Hz) | 3 @ 500 A 2.5 @ 600 A 1.42 @ 1000 A Add 2% for C.F. > 2 | |||
| AC Current via Flexible Current Probe | ||||
| Range | 999.9 A / 2500 A (45 Hz – 500 Hz) | |||
| Resolution | 0.1 A / 1 A | |||
| Accuracy | 3% ± 5 digits | |||
| Crest Factor (50/60 Hz) | 3.0 at 1100 A 2.5 at 1400 A 1.42 at 2500 A Add 2% for C.F. > 2 | |||
| Position Sensitivity | ||||
 | Distance from Optimum | |||
| i2500-10 Flex | i2500-18 Flex | Error | ||
| A | 0.5 in (12.7 mm) | 1.4 in (35.6 mm) | ±0.5% | |
| B | 0.8 in (20.3 mm) | 2.0 in (50.8 mm) | ±1.0% | |
| C | 1.4 in (35.6 mm) | 2.5 in (63.5 mm) | ±2.0% | |
| Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and within operating temperature range. | ||||
| DC Current | ||||
| Range | 999.9 A | |||
| Resolution | 0.1 A | |||
| Accuracy | 2% ± 5 digits | |||
| AC Voltage | ||||
| Range | 600 V /1000 V | |||
| Resolution | 0.1 V / 1 V | |||
| Accuracy | 1.5% ± 5 digits (20 – 500 Hz) | |||
| DC Voltage | ||||
| Range | 600.0 V /1000 V | |||
| Resolution | 0.1 V / 1 V | |||
| Accuracy | 1% ± 5 digits | |||
| Frequency – Via Jaw | ||||
| Range | 5.0 – 500.0 Hz | |||
| Resolution | 0.1 Hz | |||
| Accuracy | 0.5% ± 5 digits | |||
| Trigger Level | 5 – 10 Hz, ≥ 10 A 10 – 100 Hz, ≥ 5 A 100 – 500 Hz, ≥ 10 A | |||
| Frequency via Flexible Current Probe | ||||
| Range | 5.0 to 500.0 Hz | |||
| Resolution | 0.1 Hz | |||
| Accuracy | 0.5% ± 5 digits | |||
| Trigger Level | 5 to 20 Hz, ≥ 25 A 20 to 100 Hz, ≥ 20 A 100 to 500 Hz, ≥ 25 A | |||
| Resistance | ||||
| Range | 600 Ω/6 kΩ/60 kΩ | |||
| Resolution | 0.1 Ω/1 Ω/10 Ω | |||
| Accuracy | 1% ± 5 digits | |||
| Mechanical Specifications | ||||
| Size (L x W x H) | 277 x 88 x 43 mm (55 mm for remote unit) | |||
| Weight | 350 g | |||
| Jaw Opening | 34 mm | |||
| Flexible Current Probe Diameter | 7.5 mm | |||
| 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% RH (at 10°C to 30°C) ≤ 75% RH (at 30°C to 40°C) ≤ 45% RH (at 40°C to 50°C) (Without Condensation) | |||
| Operating Altitude | 2,000 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 EN 300 489 V1.8.1:2008 FCC Part 15 Subpart C Sections 15.207, 15.209, 15.249 FCCID: T68-F381 RSS-210 IC: 6627A-F381 | |||
| Temperature Coefficients | Add 0.1 x specified accuracy for each degree C above 28°C or below 18°C | |||
| Wireless Frequency | 2.4 GHz ISM Band 10 meter range | |||
| Safety Compliance | ANSI/ISA S82.02.01:2004 CAN/CSA-C22.2 No. 61010-1-04 IEC/EN 61010-1:2001 to 1000V CAT III, 600V CAT IV. | |||
| Double Insulation Clearance | Per IEC 61010-2-032 | |||
| Double Insulation Creepage | Per IEC 61010-1 | |||
| Agency Approvals | ||||
Models: Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®
Fluke 381
Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®
Includes:
- 18-inch iFlex®flexible current probe
- Coated instruction card
- Safety information sheet
- Soft carrying case
- TL75 test leads
- Five AA Alkaline batteries
Fluke 381/AU
Does this model come with a NIST traceable calibration certificate?
The Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex® does not come with the certificate as standard, but can be requested at purchase for an additional cost.
Date published: 2024-09-19
Where is fluke 381 made in? What is the guarantee on this 381 clamp meter?
I have a replacement display for my meter and when installed it reads Err id. The display turns on and off with rotary dial. Is there a procedure to match my new display to meter?
Rated 1 out of 5 by Anonymous from Rubbish but used to be a good company bought an expensive 381 clamp meter and the battery catch has broken mainly because its flimsy. but no chance of spare part and it cost over £800 will never buy fluke again
Date published: 2023-10-03
Rated 1 out of 5 by Karim83 from Don't ever buy it red light Don't ever buy it or waist your money on it
Expensive repair
I use it few times i changed a batterys ones on it
Red light pop up with a blank screen
Date published: 2023-05-14
Rated 5 out of 5 by ScatPack392 from Useful tool Very useful for troubleshooting 3 phase motors. Quick response.
Date published: 2021-08-09
Rated 2 out of 5 by Rgvjoe from Nice features just not build to last a year All the meters I have bought don't last long maybe a year
Date published: 2018-11-12
Rated 1 out of 5 by Noneya bidness from flex clamp does not do DC amps sucks need to make a product that does DC amps also with the flex amp contraption
Date published: 2018-04-19
Rated 5 out of 5 by eloquatest from test it was a useful product and that is why i am writing about it
Date published: 2017-03-30
Rated 5 out of 5 by Ms Fixit from My most treasured possession I love my Fluke 381 more than my own children (kidding, I don't have kids). I use it daily in my work on boats, both for AC and DC. I never doubt the readings, and the remote display makes me the coolest tech on the dock. It gets borrowed often because it's so awesome. I can clamp the starter or alternator in the engine room, and take the remote display to the helm (except on the REALLY big boats). What usually takes two technicians, I can accomplish myself with my Fluke 381. My Fluke should get it's own paycheck.
My only complaint is I really wish the iFlex did DC amperage. And I wish it were a little smaller. Unlike some other reviewers, I must be lucky because I don't think the battery consumption is bad. I replace them maybe every 2 months, and I use it on a daily basis.
Date published: 2016-12-13
Rated 5 out of 5 by AC Corbin from Another awesome Fluke Product I really enjoy using this clamp meter. I am in the industrial field and use the iflex to calibrate compressors. Without the iFlex, it would be impossible to get a meter around the motor leads inside the motor peckerhead.
Date published: 2016-12-12