Fluke 381 Remote Display True RMS AC/DC Clamp Meter with iFlex®

Key features

Wireless technology allows the display to be carried up to 30 ft. away from the point of measurement for added flexibility without interference with measurement accuracy
The removable magnetic display can be conveniently 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
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
Soft carrying case

Safety Conformance
IEC/EN 61010-1:2001, 1000V CAT III, 600V CAT IV

Description

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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.
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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
Flexible current probe 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

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