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Keeping Your World Up & Running®
Keeping Your World Up & Running®
Make testing faster and safer, all without touching a live conductor using FieldSense™ technology with this clamp meter. Get accurate voltage and current measurements by simply clipping the black test lead to any electrical ground, put the clamp jaw around the conductor, and see the displayed results.
Make testing faster and safer, all without touching a live conductor using FieldSense™ technology with this clamp meter. Get accurate voltage and current measurements by simply clipping the black test lead to any electrical ground, put the clamp jaw around the conductor, and see the displayed results.
Uses Field-Sense™ technology to make testing faster and safer, all without touching a live conductor, and provides accurate voltage and current measurements through the clamp jaw. Easily 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.
Features
Voltage and current measurements with FieldSense™ technology
No more hand-written notes or complicated math.
Measure extremely high current with iFlex™ probe
Use the included iFlex flexible current probe to measure ac current as high as 2500 A. The iFlex probe provides access to large conductors in tight spaces.
Easy to see, easy to use with included tools
Your job will get easier when you use this clamp meter:
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.
Applications
Today’s thermal imagers have become a realistic solution for everyday electrical maintenance as they are rugged, easy to use, and much more affordable than even just a few years ago. It's a straight-forward process, where a qualified technician or electrician points the thermal imager at the equipment in question and scans the immediate area, looking for unexpected hot spots. The imager produces a live image of the heat emitted from the equipment and with the quick squeeze of the trigger, a thermal image is captured. When the inspection is complete, the image is uploaded to a computer, Apple®, iPhone® or iPad® for closer analysis, reporting, and future trending.
There are a few basic how-tos to consider... electrical load, safety, and emissivity. In this application note, we walk you through these, as well as the Top 5 Checklist, and much more.
Read the Application Note
Infrared cameras, also called thermal imagers, are useful for troubleshooting motor problems as well as for monitoring motor condition for preventative maintenance in power generation, manufacturing and commercial plants. Thermal images of motors reveal their operating condition as indicated by surface temperature. Such condition monitoring is important as a way to avert many unexpected motor malfunctions in systems that are critical to manufacturing. The onset of motor failures can often be detected by a variety of techniques, including vibration, ultrasound and thermal imaging.
In this article, we cover why use thermal imaging and what to scan, as well as some notes on what to look for, including shaft misalignment.
Read the Article
Facilities maintenance professionals face a wide range of challenges, from electrical and mechanical equipment uptime to overall safety concerns. It’s critical to maintain facilities and the associated assets at peak performance. Let's review the issues faced by maintenance managers, IT support, and electrical/mechanical technicians. Along with the Fluke solutions that offer to save you time and money while increasing efficiency and safety. Fluke makes reliable, rugged and accurate tools to maintain electromechanical systems, motors, pumps, electrical distribution systems and more to keep your world up and running.
Learn More
| Current | |
| AC - Jaw | Range: 999.9 A Resolution: 0.1 A Accuracy: 2% ±5 digits (10 to 100 Hz); 2.5% ±5 digits (100 to 500 Hz) Crest factor (50/60 Hz): 3 at 500 A; 2.5 at 600 A; 1.42 at 1000 A; Add 2% for C.F. >2 |
| AC - Flexible Current Probe | Range: 2500 A Resolution: 1 A (≤2500 A) 0.1 A (≤999.9 A) Accuracy: 3% ±5 digits (5 to 500 Hz) |
| DC | Range: 999.9 A Resolution: 0.1 A Accuracy: 2% ±5 digits |
| Voltage | |
| AC - FieldSense | Range: 1000 V Resolution: 1 V (≤1000 V) Accuracy: ≤4/0 AWG - 3% ±5 digits (45 to 66 Hz); ≥4/0 AWG - 5% ±5 digits (45 to 66 Hz) |
| AC - Test Leads | Range: 600.0 V, 1000 V Resolution: 0.1 V (≤600.0 V); 1 V (≤1000 V) Accuracy: 1% ±5 digits (20 to 500 Hz) |
| DC | Range: 600 V, 1000 V Resolution: 0.1 V (≤600 V); 1 V (≤1000 V) Accuracy: 1% ± 5 digits |
| mV DC | Range: 500 mV Resolution: 0.1 mV Accuracy: 1% ±5 digits |
| Amps Frequency | |
| Jaw | Range: 5 to 500 Hz Resolution: 0.1 Hz Accuracy: 0.5% ±5 digits Trigger level: 5 to 10 Hz, ≥10 A; 10 to 100 Hz, ≥5 A; 100 to 500 Hz, ≥10 A |
| Flexible Current Probe | Range: 5 to 500 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 |
| Other Measurements | |
| Resistance | Range: 60 kΩ, 6000 Ω, 600 Ω Resolution: 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 F (≤1000 μF) Accuracy: 1% ±4 digits |
| General Specifications | |
| General Maximum Voltage | 1000 V (between any terminal and earth ground) |
| Battery | Type: 2 x AA IEC LR6 alkaline life: 200 hours |
| Display | Dual readout |
| Automatic Power Off | 20 minutes |
| Temperature | Operating: 14 to 122°F (-10 to 50°C) Storage: -40 to 140°F (-40 to 60°C) |
| Operating Humidity (Without Condensation) | Non condensing (<50°F [<10°C]) ≤90% RH (50 to 86°F [10 to 30°C]) ≤75% RH (86 to 104°F [30 to 40°C]) ≤45% RH (104 to 122°F [40 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) |
| Altitude | Operating: 6561.68' (2000 m) Storage: 39,370.1' (12,000 m) |
| Electromagnetic Compatibility (EMC) | 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 |
| Wireless Radio | Radio frequency certification: FCC ID: T68-FBLE IC:6627A-FBLE Frequency range: 2405 to 2480 MHz Output power: <100 mW |
| Dimensions | 10.78 x 3.38 x 1.85" (274 x 86 x 47 mm) Jaw opening: 1.34" (34 mm) Flexible current probe diameter: 0.29" (7.5 mm) Flexible current probe cable length: 5.9' (1.8 m) Rogowski coil length: 17.71" (450 mm) |
| Weight | 1 lbs (463 g) with batteries |
Click on a category to view a selection of compatible accessories with the Fluke 377FC Non-Contact True RMS AC/DC Clamp Meter.
| Current | |
| AC - Jaw | Range: 999.9 A Resolution: 0.1 A Accuracy: 2% ±5 digits (10 to 100 Hz); 2.5% ±5 digits (100 to 500 Hz) Crest factor (50/60 Hz): 3 at 500 A; 2.5 at 600 A; 1.42 at 1000 A; Add 2% for C.F. >2 |
| AC - Flexible Current Probe | Range: 2500 A Resolution: 1 A (≤2500 A) 0.1 A (≤999.9 A) Accuracy: 3% ±5 digits (5 to 500 Hz) |
| DC | Range: 999.9 A Resolution: 0.1 A Accuracy: 2% ±5 digits |
| Voltage | |
| AC - FieldSense | Range: 1000 V Resolution: 1 V (≤1000 V) Accuracy: ≤4/0 AWG - 3% ±5 digits (45 to 66 Hz); ≥4/0 AWG - 5% ±5 digits (45 to 66 Hz) |
| AC - Test Leads | Range: 600.0 V, 1000 V Resolution: 0.1 V (≤600.0 V); 1 V (≤1000 V) Accuracy: 1% ±5 digits (20 to 500 Hz) |
| DC | Range: 600 V, 1000 V Resolution: 0.1 V (≤600 V); 1 V (≤1000 V) Accuracy: 1% ± 5 digits |
| mV DC | Range: 500 mV Resolution: 0.1 mV Accuracy: 1% ±5 digits |
| Amps Frequency | |
| Jaw | Range: 5 to 500 Hz Resolution: 0.1 Hz Accuracy: 0.5% ±5 digits Trigger level: 5 to 10 Hz, ≥10 A; 10 to 100 Hz, ≥5 A; 100 to 500 Hz, ≥10 A |
| Flexible Current Probe | Range: 5 to 500 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 |
| Other Measurements | |
| Resistance | Range: 60 kΩ, 6000 Ω, 600 Ω Resolution: 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 F (≤1000 μF) Accuracy: 1% ±4 digits |
| General Specifications | |
| General Maximum Voltage | 1000 V (between any terminal and earth ground) |
| Battery | Type: 2 x AA IEC LR6 alkaline life: 200 hours |
| Display | Dual readout |
| Automatic Power Off | 20 minutes |
| Temperature | Operating: 14 to 122°F (-10 to 50°C) Storage: -40 to 140°F (-40 to 60°C) |
| Operating Humidity (Without Condensation) | Non condensing (<50°F [<10°C]) ≤90% RH (50 to 86°F [10 to 30°C]) ≤75% RH (86 to 104°F [30 to 40°C]) ≤45% RH (104 to 122°F [40 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) |
| Altitude | Operating: 6561.68' (2000 m) Storage: 39,370.1' (12,000 m) |
| Electromagnetic Compatibility (EMC) | 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 |
| Wireless Radio | Radio frequency certification: FCC ID: T68-FBLE IC:6627A-FBLE Frequency range: 2405 to 2480 MHz Output power: <100 mW |
| Dimensions | 10.78 x 3.38 x 1.85" (274 x 86 x 47 mm) Jaw opening: 1.34" (34 mm) Flexible current probe diameter: 0.29" (7.5 mm) Flexible current probe cable length: 5.9' (1.8 m) Rogowski coil length: 17.71" (450 mm) |
| Weight | 1 lbs (463 g) with batteries |
Click on a category to view a selection of compatible accessories with the Fluke 377FC Non-Contact True RMS AC/DC Clamp Meter.
