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Fluke 378FC Non-Contact True RMS AC/DC Clamp Meter with PQ indicator

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$848.89
SKU:
378FC
Availability:
1 in Stock
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Fluke 378FC Non-Contact True RMS AC/DC Clamp Meter with PQ indicator

$848.89

Availability: 1 in Stock

Fluke 378FC Offers

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

  • Measure voltage and current with your clamp jaw
  • Faster, safer testing all without touching a live wire using FieldSense™ technology
  • Complete three-phase voltage and current tests in three quick steps

Power quality indicator shows whether a problem is in the equipment or the power line

This clamp meter includes a unique PQ function that senses power quality issues automatically. When making FieldSense measurements, it 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.

Voltage and current measurements with FieldSense™ technology

No more hand-written notes or complicated math.

  • Complete 3-phase voltage and current tests in three easy steps
  • Full set of phase-to-ground and phase-to-phase values calculated
  • Displayed on your smart phone and saved to the cloud via Fluke Connect software
  • Phase rotation calculated and shown on the Fluke Connect software

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:

  • The display turns green when a stable FieldSense measurement is detected
  • Visual Continuity provides a bright green screen for easy detection of continuity in noisy work areas
  • The magnetic hanging kit, with 9" (23 cm) hanging strap, lets you hang your clamp wherever you need: to a steel cabinet door; around a pipe; on a nail or screw head

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

  • Electrical
  • HVAC/R
  • Field service
  • Maintenance


Fluke 378FC Specifications

Specifications

Current
AC - JawRange: 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 ProbeRange: 2500 A Resolution: 1 A (≤2500 A) 0.1 A (≤999.9 A) Accuracy: 3% ±5 digits (5 to 500 Hz)
DCRange: 999.9 A Resolution: 0.1 A Accuracy: 2% ±5 digits
Voltage
AC - FieldSenseRange: 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 LeadsRange: 600.0 V, 1000 V Resolution: 0.1 V (≤600.0 V); 1 V (≤1000 V) Accuracy: 1% ±5 digits (20 to 500 Hz)
DCRange: 600 V, 1000 V Resolution: 0.1 V (≤600 V); 1 V (≤1000 V) Accuracy: 1% ± 5 digits
mV DCRange: 500 mV Resolution: 0.1 mV Accuracy: 1% ±5 digits
Amps Frequency
JawRange: 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 ProbeRange: 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
ResistanceRange: 60 kΩ, 6000 Ω, 600 Ω Resolution: 0.1 Ω (≤600 Ω), 1 Ω (≤6000 Ω), 10 Ω (≤60 kΩ) Accuracy: 1% ±5 digits
CapacitanceRange: 1000 μF Resolution: 0.1 μF (≤100 μF), 1 F (≤1000 μF) Accuracy: 1% ±4 digits
General Specifications
General Maximum Voltage1000 V (between any terminal and earth ground)
BatteryType: 2 x AA IEC LR6 alkaline life: 200 hours
DisplayDual readout
Automatic Power Off20 minutes
TemperatureOperating: 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 CoefficientsAdd 0.1 x specified accuracy for each degree C >28°C or <18°C
Ingress ProtectionIEC 60529: IP30 (jaw closed)
AltituteOperating: 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
SafetyGeneral: 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 RadioRadio frequency certification: FCC ID: T68-FBLE IC:6627A-FBLE Frequency range: 2405 to 2480 MHz Output power: <100 mW
Dimensions10.78 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)
Weight1 lbs (463 g) with batteries


What's included with the Fluke 378FC
  • Clamp Meter
  • Flexible Probe
  • ToolPak™ Magnetic Meter Hanger
  • Test Leads
  • TwistGuard™ Test Probes
  • Black Grounding Clip
  • Premium Carrying Case
  • Quick Reference Guide
Shipping & Return Policy — EquipTestPro
Last Updated: February 1, 2026
Legal Policies

Shipping & Return Policy

Everything you need to know about orders, cancellations, refunds, and delivery.

🌎
Section 01
Shipping Destinations

EquipTestPro ships to both Canada and the United States. We are pleased to serve customers across North America with reliable, trackable delivery options.

Please Note: Certain products are subject to restrictions and cannot be shipped to all destinations. Product-specific shipping availability is noted on each item's detail page. We do not currently ship to international destinations outside of Canada and the United States.
💲
Section 02
Shipping Rates

When you place an order, a flat-rate shipping charge will be applied at checkout based on your order. The applicable rate will be clearly displayed before you complete your purchase.

Flat-rate shipping is calculated to reflect the cost of reliable, insured delivery. The rate shown at checkout is final — no hidden surcharges will be added after your order is placed.

⚖️
Section 03
Weight-Based Shipping

For certain items, shipping costs are calculated based on the weight of the product. The weight of any weight-based item is listed on its product detail page.

Rounding Policy: To align with the policies of our shipping carriers, all item weights are rounded up to the next full pound when calculating shipping costs.

For example, an item weighing 3.2 lbs will be rated at 4 lbs for shipping calculation purposes. This policy is standard practice across all major carriers we work with.

⚠️
Section 04
Product Restrictions

Some products sold on EquipTestPro are subject to shipping restrictions due to regulatory, carrier, or safety requirements. These include but may not be limited to:

  • Hazardous or regulated materials
  • Oversized or freight-class items
  • Products restricted by provincial or state import regulations
  • Items that cannot be air-shipped due to their composition

Where restrictions apply, this will be clearly noted on the product listing. If you have questions about a specific product's shipping eligibility to your location, please contact us before placing your order.

🕐
Section 05
Order Processing

Orders are processed on business days (Monday through Friday, excluding statutory holidays). Orders placed after business hours or on weekends will begin processing the following business day.

1
Order Confirmed You receive an email confirmation with your order details.
2
Order Processed Your order is verified and prepared for shipment (1–2 business days).
3
Shipped You receive a tracking number by email once your package is dispatched.
4
Delivered Delivery timelines vary by destination and carrier availability.
Section 01
Order Cancellation Rights

You are entitled to cancel your Order within 30 days of receipt without providing a reason, subject to the processing fee structure described below.

The cancellation deadline is 30 days from the date on which you received the Goods, or on which a third party appointed by you (other than the carrier) takes possession of the delivered product.

To exercise your cancellation right, notify us with a clear written statement by:

  • Email: info@equiptestpro.com
  • Online form: equiptestpro.com/contact-us
💳
Section 02
Cancellation Processing Fees

The following fee structure applies to all cancellations. Please review carefully before requesting a cancellation.

Customer-Initiated
10%

A processing fee of 10% of the total order value will be withheld from your refund to cover payment processing, handling, and administrative costs.

Company-Initiated (Item Unavailable)
$0

If we cancel your order due to item unavailability, no processing fee will be withheld. You receive a full refund of the amount paid.

Refunds will be issued using the same payment method as the original purchase. No additional fees beyond those described above will be applied.

Section 03
Conditions for Returns

To be eligible for a return, all of the following conditions must be met:

  • The Goods were purchased within the last 30 days
  • The Goods are in their original, undamaged packaging
  • The Goods are unused and unaltered from the condition received
  • A valid receipt or proof of purchase accompanies the return
Sale Items: Only regular-priced Goods are eligible for a refund. Items purchased on sale or at a discounted price cannot be refunded. This exclusion may not apply where prohibited by applicable law.

We reserve the right to refuse returns of any merchandise that does not meet the above conditions, at our sole discretion.

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Section 04
Non-Returnable Goods

The following items are not eligible for return under any circumstances:

  • Goods made to your specifications or clearly personalized
  • Goods that by their nature are not suitable for return, deteriorate rapidly, or where the expiry date has passed
  • Goods not suitable for return due to health protection or hygiene reasons that have been unsealed after delivery
  • Goods that, after delivery, have become inseparably mixed with other items by their nature
  • Goods purchased on sale or at a promotional discount
📬
Section 05
How to Return Goods

You are responsible for the cost and risk of returning Goods to us. Before sending any items, please contact us at info@equiptestpro.com to obtain the return shipping address.

Important: We strongly recommend using an insured and trackable mail service. We cannot be held responsible for Goods damaged or lost during return shipment, and we are unable to issue a refund without confirmed receipt of the returned Goods or verifiable proof of delivery.
Section 06
Refund Timeline

You should expect to receive your refund within four (4) weeks of delivering your return package to the shipper. In many cases, refunds are processed sooner. The timeline breaks down as follows:

1
Transit to Us 5 to 10 business days for us to receive your return from the shipper.
2
Return Processing 3 to 5 business days to inspect and process your return once received.
3
Bank Processing 5 to 10 business days for your bank to post the refund to your account.

We will process refunds no later than 14 days from the day we receive the returned Goods, using the same payment method as your original purchase.

🎁
Section 07
Gift Returns

If the Goods were marked as a gift at the time of purchase and shipped directly to you, a gift credit equal to the return value (less any applicable processing fee) will be issued. Once the returned product is received and inspected, a gift certificate will be mailed to you.

If the Goods were not marked as a gift at purchase, or if the gift giver had the order shipped to themselves first, the refund will be issued to the original purchaser.

Questions? We're here to help.

Reach out to our support team for assistance with any order or return.

Not Applicable

Condition: NA

Frequently Asked Questions

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    EquipTestPro accepts a variety of payment options for your convenience. For prepayment, we accept all major credit cards (MasterCard, Visa, Amex, Discover), Purchase Orders, and wire transfers.
  • How do I retturn items?
    All returns must be authorized. Items returned prior to authorization will not be accepted. For international customers where applicable, customers must ship any returns to us freight and duty prepaid. Return freight charges for internationsl shippments will be the responsibility of the customer.

    Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.

    Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.

    (Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)

    Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.

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