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Fluke 375 True-RMS Clamp Meter

Li, Betty
Fluke 375 TRMS Clamp Meter

Fluke 375 TRMS Clamp Meter

Fluke 375 True-RMS AC/DC Clamp Meter

Introduction：

The Fluke 374, 375, and 376 (the Meter) measure true-rms ac current and voltage, dc current and voltage, inrush current, resistance, and capacitance. The 375 and 376 also measure frequency and dc millivolts. The detachable iFlex (Flexible Current Probe) that is included with the 376 (optional with the 374 and 375) expands the measurement range to 2500 A ac. The Flexible Current Probe provides increased display flexibility and allows measurements of awkward sized conductors and improved wire access. The illustrations in this manual show the 376.

General Specifications
AC Current via Jaw
Range 376: 999.9 A

374/375: 600.0A
Resolution 0.1 A
Accuracy 2% ±5 digits (10 Hz to 100 Hz)

2.5% ±5 digits (100-500 Hz)
Crest Factor (50 Hz/60 Hz) 3 @ 500 A

2.5 @ 600 A

1.42 @ 1000 A(376 only)

Add 2% for C.F. >2
AC Current via Flexible Current Probe
Range 2500 A
Resolution 374/375: 0.1 A (≤ 600 A)  1 A (≤ 2500 A)

376: 0.1 A (≤ 999.9 A)  1 A (≤ 2500 A)
Accuracy 3% ±5 digits (5 – 500 Hz)
Crest Factor (50/60Hz) 3.0 at 1100 A(375 and 376 only)

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 374 and 375: 600.0 A

376: 999.9A
Resolution 0.1 A
Accuracy 2% ±5 digits
AC Voltage
Range 374 and 375: 600 V

376: 1000V
Resolution
Accuracy 1.5% ±5 digits (20 Hz to 500 Hz)
DC Voltage
Range 374 and 375: 600.0V

376: 1000 V
Resolution 374 and 375: 0.1 V

376: 0.1 V (≤600.0 V)   1 V (≤1000 V)
Accuracy 1% ±5 digits
mV dc
Range 375 and 376: 500.0 mV
Resolution 0.1 mV
Accuracy 1% ±5 digits
Frequency via Jaw
Range 375 and 376: 5.0 Hz to 500.0 Hz
Resolution 0.1 Hz
Accuracy 0.5% ±5 digits
Trigger level 5 Hz to 10 Hz, ≥10 A

10 Hz to 100 Hz, ≥5 A

100 Hz to 500 Hz, ≥10 A
Frequency via Flexible Current Probe
Range 375 and 376: 5.0 Hz to 500.0 Hz
Resolution 0.1 Hz
Accuracy 0.5% ±5 digits
Trigger level 5 Hz to 20 Hz, ≥25 A

20 Hz to 100 Hz, ≥20 A

100 Hz to 500 Hz, ≥25 A
Resistance
Range 374: 6000Ω

375 and 376: 60 kΩ
Resolution 374: 0.1 Ω (≤600 Ω)   1 Ω (≤6000 Ω)

375 and 376: 0.1 Ω (≤600 Ω)   1 Ω (≤6000 Ω)   10 Ω (≤60 kΩ)
Accuracy 1% ±5 digits
Capacitance
Range 1000 μF
Resolution 0.1 μF (≤ 100 μF)

1 μ F (≤ 1000 μF)
Accuracy 1% ±4 digits
Mechanical Specifications
Maximum voltage between any terminal and earth ground 1000 V
Batteries 2 AA, NEDA 15A, IEC LR6
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)
Operating altitude 3000 m
Storage altitude 12,000 m
Size (L x W x H) 246 x 83 x 43 mm
Weight 388 g
Jaw opening 34 mm
Flexible current probe diameter 7.5 mm
Flexible current probe cable length
(head to electronics connector)		 1.8 m
Safety IEC 61010-1, Pollution Degree 2

IEC 61010-2-032: CAT III 1000 V / CAT IV 600 V

IEC 61010-2-033:CAT III 1000 V / CAT IV 600 V
IP rating IEC 60529: IP30, non-operating
Radio Frequency Certification FCC ID T68-FBLE IC:6627A-FBLE

Includes:

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