Fluke 377 FC TRMS Non-Contact Voltage Wireless Clamp

Product Highlights

The Fluke 377 FC true-rms clamp meter uses FieldSense™ technology to make testing faster and safer, all without touching 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.

Measure voltage and current with your clamp jaw
Faster, safer testing - all without touching a live wire - using FieldSense™ technology
Complete 3-phase voltage and current tests with fewer steps
Log, save and share your readings using the Fluke Connect software

Key Attributes

AC Current: Jaw: 999.9 A, 2% accuracy
AC Voltage: Field Sense: 1000 V, 3% accuracy
AC Current: Flexible Current Probe: 2500 A, 3% accuracy
AC or DC Voltage: Test Leads: 1000 V, 1% accuracy

General specifications
General Maximum voltage (between any terminal and earth ground)	1000 V
Battery	Type 2 AA IEC LR6 alkaline
Life	200 hours
Display	Dual readout
Automatic Power Off	20 minutes
AC Current: Jaw
Range	999.9 A
Resolution	0.1 A
Accuracy	2 % ± 5 digits (10 Hz to 100 Hz)
Accuracy	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)
Resolution	1 V (≤ 1000 V)
Accuracy	1 % ±5 digits (20 Hz to 500 Hz)
DC Voltage
Range	600.0 V
Range	1000 V
Resolution	0.1 V ≤ 600.0 V)
Resolution	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)
Resolution	1 F (≤ 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)
International	IEC 61326-1: Portable Electromagnetic Environment
	IEC 61326-2-2, CISPR 11: Group 1, Class B
	Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself.
	Class B: Equipment is suitable for use in domestic establishments and in establishments directly connected to a low voltage power supply network which supplies buildings used for domestic purposes.
	Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object.
Korea (KCC)	Class A equipment (Industrial Broadcast & Communications Equipment)
Korea (KCC)	Class A: Equipment meets requirements for industrial electromagnetic wave equipment and the seller or user should take notice of it. This equipment is intended for use in business environments and not to be used in homes.
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
Measurement	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

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Fluke 377 FC 1000A AC/DC Trms Non-Contact Voltage Wireless Clamp with Iflex

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