Fluke
381
For added safety and convenience the Fluke 381 Clamp Meter + detachable display allows you to take readings remotely or in tough-to-reach spots. Learn More.
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DC Voltage
- Range
- 600.0 V /1000 V
- Resolution
- 0.1 V / 1 V
- Accuracy
- 1% ± 5 digits
Frequency via Flexible Current Probe
- Resolution
- 0.1 Hz
- Accuracy
- 0.5% ± 5 digits
- Range
- 5.0 to 500.0 Hz
- Trigger Level
- 5 to 20 Hz, ≥ 25 A 20 to 100 Hz, ≥ 20 A 100 to 500 Hz, ≥ 25 A
Mechanical Specifications
- Flexible Current Probe Diameter
- 7.5 mm
- Flexible Current Probe Cable Length (head to electronics connector)
- 1.8 m
- Weight
- 350 g
- Size (L x W x H)
- 277 x 88 x 43 mm (55 mm for remote unit)
- Jaw Opening
- 34 mm
AC Voltage
- Accuracy
- 1.5% ± 5 digits (20 – 500 Hz)
- Range
- 600 V /1000 V
- Resolution
- 0.1 V / 1 V
AC Current via Flexible Current Probe
- Range
- 999.9 A / 2500 A (45 Hz – 500 Hz)
- 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
- Resolution
- 0.1 A / 1 A
Environmental Specifications
- 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
- 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)
- Temperature Coefficients
- Add 0.1 x specified accuracy for each degree C above 28°C or below 18°C
- Operating Temperature
- -10°C to +50°C
- Wireless Frequency
- 2.4 GHz ISM Band 10 meter range
- Double Insulation Clearance
- Per IEC 61010-2-032
- Storage Temperature
- -40°C to +60°C
- Operating Altitude
- 2,000 meters
- Storage Altitude
- 12,000 meters
- Double Insulation Creepage
- Per IEC 61010-1
- 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.
Electrical Specifications
- Accuracy
- 2% ± 5 digits (10-100 Hz) 5% ± 5 digits (100-500 Hz)
- Resolution
- 0.1 A
- Range
- 999.9 A
- Crest Factor (50/60 Hz)
- 3 @ 500 A 2.5 @ 600 A 1.42 @ 1000 A Add 2% for C.F. > 2
Resistance
- Range
- 600 Ω/6 kΩ/60 kΩ
- Resolution
- 0.1 Ω/1 Ω/10 Ω
- Accuracy
- 1% ± 5 digits
Frequency – Via Jaw
- Trigger Level
- 5 – 10 Hz, ≥ 10 A 10 – 100 Hz, ≥ 5 A 100 – 500 Hz, ≥ 10 A
- Range
- 5.0 – 500.0 Hz
- Accuracy
- 0.5% ± 5 digits
- Resolution
- 0.1 Hz
DC Current
- Resolution
- 0.1 A
- Range
- 999.9 A
- Accuracy
- 2% ± 5 digits
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