Fluke 378 FC - Non-Contact Voltage True-rms AC/DC Clamp Meter with iFlex
Voltage and current measurements with FieldSense™ technology
The Fluke 378 FC true-rms clamp meter uses FieldSense™ technology to make testing faster and safer, all without contacting a live conductor. You get accurate voltage and current measurements through the clamp jaw. Simply clip the black test lead to any electrical ground, put the clamp jaw around the conductor and see reliable, accurate voltage and current values on the display.
Power quality indicator shows whether a problem is in the equipment or the power line
The 378 FC clamp meter includes a unique PQ function that senses power quality issues automatically. When making FieldSense measurements, the 378 FC will detect and display power quality issues, relating to current, voltage, power factor or any combination of the three. Now you can quickly determine if an upstream supply problem exists, or if there is a downstream equipment problem.
Complete 3-phase measurements in quick, easy steps
- Complete 3-phase voltage and current tests in 3 easy steps
- Full set of phase-to-ground and phase-to-phase values calculated and shown on the meter
- Values are also displayed on your smartphone and saved to the cloud via Fluke Connect software
- Phase rotation auto-calculated and shown on the Fluke Connect software
- No more handwritten notes or complicated math.
Measure extremely high current with iFlex® probe
The included iFlex flexible current probe lets you measure ac current as high as 2500 A. Crowded wiring cabinets and large conductors are easily measured with the iFlex probe.
Easy to see, easy to use with included tools
Your job will get easier when you use the 378 FC clamp meter. The display turns green when a stable FieldSense measurement is detected. Visual Continuity also provides a bright green screen for easy detection of continuity in noisy work areas.
Record, analyze, share results with Fluke Connect® software
With Fluke Connect software you can remotely log, trend and monitor measurements to pinpoint intermittent faults. Fluke Connect also allows you to gather data as the basis for a preventive maintenance program.
- Measure voltage and current with your clamp jaw
- Faster, safer testing - all without touching a live wire - using FieldSense™ technology
- Power quality indicator shows whether equipment or power line is faulty
- Complete 3-phase voltage and current tests in 3 quick steps
General specifications
| General Maximum Voltage between any Terminal and Earth Ground | 1000 V | ||||||||
| Battery |
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Electrical (AC Current: Jaw)
| Range | 999.9 A |
| Resolution | 0.1 A |
| Accuracy | 2 % ±5 digits (45 Hz to 66 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: Flexible Current Probe
| Range | 2500 A |
| Resolution | 1 A (≤2500 A) 0.1 A (≤999.9 A) |
| Accuracy | 3 % ±5 digits (5 Hz to 500 Hz) |
| Crest Factor (50/60Hz) | 3.0 at 1100 A 2.5 at 1400 A 1.42 at 2500 A Add 2 % for C.F. >2 |
Position Sensitivity
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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 digits1 |
[1]When using the ZERO function to compensate for offsets
AC Voltage: Field Sense
| Range | 1000 V | ||||
| Resolution | 1 V (≤1000V) | ||||
| Accuracy |
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Position wire as close as possible to jaw opening (see illustration).
AC Voltage: Test Leads
| Range | 600.0 V 1000 V |
| Resolution | 0.1 V (≤600.0 V) 1 V (≤1000 V) |
| Accuracy | 1 % ±5 digits (20 Hz to 500 Hz) |
DC Voltage
| Range | 600.0 V 1000 V |
| Resolution | 0.1 V (≤600.0 V) 1 V (≤1000 V) |
| Accuracy | 1 % ±5 digits |
mV dc
| Range | 500.0 mV |
| Resolution | 0.1 mV |
| Accuracy | 1 % ±5 digits |
Amps Frequency: Jaw
| Range | 45 Hz to 66 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 |
Resistance
| Range | 60.00 kΩ 6000 Ω 600.0 Ω |
| Resolution | 0.1 Ω (≤600.0 Ω) 1 Ω (≤6000 Ω) 10 Ω (≤60.00 kΩ) |
| Accuracy | 1 % ±5 digits |
Capacitance
| Range | 1000 μF |
| Resolution | 0.1 μF (≤100.0 μF) 1 μF (≤1000 μF) |
| Accuracy | 1 % ±4 digits |
Mechanical
| Size (L x W x H) | 274 mm x 86 mm x 47 mm |
| Weight (with Batteries) | 463 g |
| Jaw Opening | 34 mm |
| Flexible Current Probe Diameter | 7.5 mm |
| Flexible Current Probe Cable Length (head to electronics connector) | 1.8 m |
| Rogowski Coil Length | 450 mm |
Environmental
| Operating Temperature | -10 °C to 50 °C | ||||||||||
| Storage Temperature | -40 °C to 60 °C | ||||||||||
| Operating Humidity (without condensation) | Non condensing (<10 °C) ≤90 % RH (10 °C to 30 °C) ≤75 % RH (30 °C to 40 °C) ≤45 % RH (40 °C to 50 °C) | ||||||||||
| Temperature Coefficients | Add 0.1 x specified accuracy for each degree C >28 °C or <18 °C | ||||||||||
| Ingress Protection | IEC 60529: IP30 (jaw closed) | ||||||||||
| Operating Altitude | 2000 m | ||||||||||
| Storage Altitude | 12 000 m | ||||||||||
| Electromagnetic Compatibility (EMC) |
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| USA (FCC) | 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103. |
Safety
| General | IEC 61010-1: Pollution degree 2 |
| Measurement | IEC 61010-2-032: CAT III 1000 V / CAT IV 600 V IEC 61010-2-033: CAT III 1000 V / CAT IV 600 V |
| Current Clamp for Leakage Current Measurements | IEC 61557-13: Class 2, ≤30 A/m |
Wireless Radio
| Radio Frequency Certification | FCC ID: T68-FBLE IC:6627A-FBLE |
| Frequency Range | 2405 MHz to 2480 MHz |
| Output Power | <100 mW |
| Radio Frequency Data | Radio Frequency Data For Class A Devices SIMPLIFIED EU DECLARATION OF CONFORMITY Hereby, Fluke declares that the radio equipment contained in this Product is in compliance with Directive 2014/53/EU. The full text of the EU declaration is available at the following internet address: https://dam-assets.fluke.com/s3fs-public/FLK_RED_1aeng0900.pdf. |
Amps Frequency: Flexible Current Probe
| Range | 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 |
Do you have a Non-Contact Voltage True-rms AC/DC Clamp Meter with iFlex that needs to be calibrated?
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