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Fluke 377 FC
Catalog #: 5111781
True-RMS Non-Contact Voltage Clamp Meter with Fluke Connect Compatibility and iFlex, 1000A AC/DC
- Overview
- Specifications
- Summary
- Current Clamps
- Accessories
Product Highlights
- Measure voltage and current with clamp jaw
- Power quality indicator shows whether equipment or power line is faulty
- Faster, safer testing, all without touching live wires using FieldSense™ technology
- No more hand-written notes or complicated math
- Complete 3-phase voltage and current tests in 3 easy steps
- Full set of phase-to-ground and phase-tophase values calculated
- Displayed on smart phones and saved to cloud via Fluke Connect software
- Phase rotation calculated and shown on Fluke Connect software
- Measure AC current as high as 2500 A with iFlex™ probe
- iFlex probe provides access to large conductors in tight spaces
- Display turns green when stable Field-Sense measurement is detected
- Visual Continuity provides bright green screen for easy detection of continuity in noisy work areas
- TPAK magnetic hanging kit, with 9 inch (23 cm) hanging strap, lets users hang clamp wherever needed - to steel cabinet doors; around pipes; or on nail or screw heads
- Included carrying case holds clamp, iFlex probe, test leads and black grounding clip
Fluke Connect Mobile App
- With Fluke Connect software users can remotely log, trend and monitor measurements to pinpoint intermittent faults
- Fluke Connect also allows users to gather data as basis for preventive maintenance programs
- AutoRecord measurements: Take measurements automatically and instantly save them to phone; wirelessly save measurements to Fluke Cloud and add text or audio annotations
- TrendIt graphs: Trend measurements from single session in time series graph
- ShareLive video call: View live tool measurements, video and audio to collaborate in real time with entire team, without leaving field
- Fluke Cloud storage: Securely store up to 5 GB of data securely, per user
- Reports: Create reports with accurate and traceable maintenance data
Applications
- Electricians
- Electrical contractors
- HVAC technicians
- Field service engineers
- Maintenance technicians
General Specifications
- General maximum voltage: (between any terminal and earth ground): 1000 V
- Battery type: 2 AA IEC LR6 alkaline
- Battery life: 200 hours
- Display: Dual readout
- Automatic power off: 20 minutes
- 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
AC Current: Jaw
- Range: 999.9 A
- Resolution: 0.1 A
- Accuracy: 2 % ± 5 digits (10 Hz to 100 Hz); 2.5 % ± 5 digits (100 Hz to 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: 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)
DC Current
- Range 999.9: A
- Resolution: 0.1 A
- Accuracy: 2 % ±5 digits
AC Voltage: FieldSense
- Range: 1000 V
- Resolution: 1 V (≤ 1000 V)
- Accuracy:
- ≤ 4/0 AWG: 3 % ±5 digits (45 Hz to 66 Hz)
- ≥ 4/0 AWG: 5 % ±5 digits (45 Hz to 66 Hz)
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: 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
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
Resistance
- Range:
- 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 F (≤ 1000 μF)
- Accuracy: 1 % ±4 digits
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
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
Each Unit Includes
- 1 - Non-Contact Voltage True-RMS AC/DC Clamp Meter (377 FC)
- 1 - Test Lead Set (TL224)
- 1 - TwistGuard Test Probe Set (TP175)
- 1 - Black Grounding Clip (AC285)
- 1 - iFlex Flexible Current Probe, 18 inch (48 cm) (i2500-18)
- 1 - ToolPak Magnetic Meter Hanger (TPAK)
- 1 - Premium Carrying Case
- 1 - Quick Reference Guide
Maximum Voltage between any Terminal and Earth Ground |
1000 V |
Battery |
Type |
2 AA IEC LR6 alkaline |
Life |
200 hr |
Display |
Dual readout |
Automatic Power Off |
20 minutes |
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 |
DC Current |
Range |
999.9 A |
Resolution |
0.1 A |
Accuracy |
2 % ±5 digits
When using the ZERO function to compensate for offsets. |
AC Voltage: FieldSense |
Range |
1000 V |
Resolution |
1 V (≤1000 V) |
Accuracy |
≤4/0 AWG: 3 % ±5 digits (45 Hz to 66 Hz)
>4/0 AWG: 5 % ±5 digits (45 Hz to 66 Hz) |
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 |
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 |
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 |
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 |
Clamp Meters/Clamp Meters Template |
True RMS |
Yes |
Maximum Current AC |
2500 A |
Maximum Current DC |
1000 A |
Maximum Voltage AC |
1000 V |
Maximum Voltage DC |
1000 V |
Min/Max |
Yes |
Backlight |
Yes |
Resistance |
Yes |
Continuity |
Yes |
Capacitance |
Yes |
Diode Testing |
No |
CAT Rating |
IV |
CAT Voltage |
600 V |
Power Factor (PF) |
Yes |
Single Phase/Three Phase |
Three Phase |
Unique Features |
CAT III 1000 V
CAT IV 600 V |
Warranty |
3 YEARS |
Product Height |
12.00 IN |
Product Length |
7.00 IN |
Product Width |
4.13 IN |
Shipping Weight |
3.33 LBS |
ECCN Number |
3A992 |
Country of Origin |
United States |
Shipping Height |
12.00 IN |
Shipping Length |
7.00 IN |
Shipping Width |
4.13 IN |
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