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Fluke 323 True-RMS Clamp Meter

True-RMS Clamp Meter

Next Day Delivery (subject to availability)

£81.75 exc. VAT £98.10 inc. VAT £140.40 inc. VAT
  • Current AC
  • TRMS
  • Data Hold
  • Resistance Measurement
  • Continuity Measurement
  • FreeDelivery
  • 30DayMoneyBack
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Fluke 323 True-RMS Clamp Meter

Fluke rugged. Fluke reliable. Fluke precise


True-rms measurements and optimized ergonomics make the 320 Series Clamp Meters the best general troubleshooting tools for commercial and residential electricians. The Fluke 323 model is ideally suited for current measurements up to 400 A in tight cable compartments.

Measurement capability:

  • 400 A ac current measurement
  • 600 V ac and dc voltage measurement
  • True-rms ac voltage and current for accurate measurements on non-linear signals
  • Resistance measurement up to 40 kΩ with continuity detection

Key Features:

  • Slim, ergonomic design
  • CAT IV 300V/CAT III 600 V safety rating
  • Hold button
  • Two-year warranty
  • Soft carrying case

ISSWWW and Fluke Instruments

Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software.

Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. Every new manufacturing plant, office, hospital, or facility built today represents another potential customer for Fluke products.

From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running. Typical customers and users include technicians, engineers, metrologists, medical-device manufacturers, and computer network professionals, people who stake their reputations on their tools, and use tools to help extend their personal power and abilities.

Fluke are a founding core supplier of ISSWWW and we enjoy a personal and professional relationship with them. Our sales staff and our technicians are Fluke trained and we hold perhaps the largest stock of their products in the country. Our customers know that when it comes to Fluke products, we have not only the best prices but the best advice and support services, reassuring when you need to make that all important purchase.

  323 324 325
AC current Range 400.0 A 40.00 A/400.0 A 40.00 A/400.0 A
Accuracy 2 % ± 5 digits
(45 Hz to 65 Hz)
2.5 % ± 5 digits
(65 Hz to 400 Hz)
1.5 % ± 5 digits
(45 Hz to 400 Hz)
Note: Add 2 % for 
position sensitivity
2 % ± 5 digits
(45 Hz to 65 Hz)
2.5 % ± 5 digits
(65 Hz to 400 Hz)
DC current Range - - 40.00 A/400.0 A
Accuracy - - 2 % ± 5 digits
AC voltage Range 600.0 V 600.0 V 600.0 V
Accuracy 1.5 % ± 5 digits 1.5 % ± 5 digits 1.5 % ± 5 digits
DC voltage Range 600.0 V 600.0 V 600.0 V
Accuracy 1.0 % ± 5 digits 1.0 % ± 5 digits 1.0 % ± 5 digits
Resistance Range 400.0 Ω/ 4000 Ω 400.0 Ω/ 4000 Ω 400.0 Ω/ 4000 Ω/ 40.00 kΩ
Accuracy 1.0 % ± 5 digits 1.0 % ± 5 digits 1.0 % ± 5 digits
Continuity ≤ 70 Ω ≤ 30 Ω ≤ 30 Ω
Capacitance - 100.0 μF to 1000 μF 100.0 μF to 1000 μF
Frequency - - 5.0 Hz to 500.0 Hz
AC response True-rms True-rms True-rms
Backlight - Yes Yes
Data hold Yes Yes Yes
Contact temperature - -10.0 °C to 400.0 °C
(14.0 °F to 752.0 °F)
-10.0 °C to 400.0 °C
(14.0 °F to 752.0 °F)
Min/Max - - Yes
Size H x W x D (mm) 207 x 75 x 34 207 x 75 x 34 207 x 75 x 34
Max wire diameter 30 mm (600 MCM) 30 mm (600 MCM) 30 mm (600 MCM)
Weight 265 g 208 g 283 g
Category rating CAT III 600 V
CAT IV 300 V
CAT IV 300 V
CAT IV 300 V
Warranty Two-year Two-year Two-year

Orders requiring calibration 

Whilst we take the greatest care to get all orders dispatched and delivered to you in the stated time frame, orders received PM and requiring
calibration may on occasion miss dispatch that day, according to the complexity of the calibration. Be assured they will ship on the next dispatch
this in most cases should not add more than 24 hours to your delivery.

Bank/Public Holidays

Predicted delivery times are based on regular trading days Monday to Friday. Public holidays, bank holidays and weekends are outside the usual scope 
of our dispatch and subject to activities/holidays of our carriers and therefore may incur additional days lead time to your order.

*UK Mainland (Temporarily revised June 2020)

Please note that regrettably, we have had to realign our delivery service options to those available from our carriers.
During the current situation surrounding the effects of the Coronavirus pandemic, logistics from every company are under immense pressure to deliver goods on time.
We have taken the decision to temporarily limit our services rather than let our customers down.
We hope you will understand our position on this and we apologise unreservedly for the inconvenience we know this will cause.
We look forward to restoring our full delivery service schedule just as soon as we are able.

Standard FREE 1-2 Day Courier Delivery – UK Mainland only - Zones A & B

Included in the price for all orders over £75.00 (exc vat). Sent using express courier, delivered within 1-2 working days from the date of your order, subject to availability.


Next Day Anytime Delivery (Excluding Saturday & Sunday) – UK Mainland only - Zones A & B
Sent by express courier, delivered next day (excluding weekends) from the date of your order, subject to availability.


Orders must be placed before 3:00pm for a qualifying next day delivery and a telephone number supplied, subject to availability.

New Postage Map Sept 2018>

Delivery Surcharges

Because of the high cost of carriage, we need to apply a surcharge on all deliveries made in the following regions bringing the carriage charges to:

  • Zones A & B  - Mainland delivery rates apply. 
  • Zone C - Scottish Highlands (Charges are calculated at the checkout).
  • Zone D - Outer Hebrides, Orkney Isles, Shetland Isles, Isle of Man, Scilly Isles, and Channel Islands (Charges are calculated at the checkout).
  • Zone E - Northern Ireland (Charges are calculated at the checkout).
  • Zone F - Republic of Ireland (Charges are calculated at the checkout).

Offshore Services

All offshore deliveries are a 2 day service as standard. This includes Channel Islands, Northern & Southern Ireland, Scottish Islands, Isle of Man and the Scilly Isles.

International Delivery

International delivery charges are automatically added to your order at the checkout. For any questions regarding international deliveries please contact us at


All export inquiries should be directed to the export division before placement of order.

If no shipping option is available to your selected country please call us FREE on 0800 0224 060 to purchase your items.
All stated prices are subject to VAT at the current rate where applicable E&OA