Like most organisations we use cookies on our site, these allow us to improve your experience on our site, provides us with measurement and analytical data, and allows us to make use of the latest digital marketing capabilities - if you want to know more about cookies and how you can control them see our cookie policy here, if you are happy for us to use cookies then please click the button opposite.
The images provided are for illustrative purposes only. Please refer to product description.

Kewtech KEW320 Sound Level Meter

NEW The versatile sound level meter - just right for the electrical contractor

Important Calibration Information

This instrument comes only with a manufacturers Certificate of Conformity.
See 'Calibration Options' in the description for more details

Next Day Delivery (subject to availability)

£119.95 exc. VAT £143.94 inc. VAT £218.40 inc. VAT
  • IEC61672-1 Class 2
  • 60dB Dynamic
  • A & C weighting
  • Accuracy: ± 1.4dB
  • Batteries Included
  • Case & Windshield Included
  • Frequency range: 20Hz~8KHz
  • Range 30dB to 130dB
  • FreeDelivery
  • 30DayMoneyBack
Required Fields
  • Description
  • Features & Specification
  • Resources
  • Delivery

Kewtech KEW320 Sound Level Meter

The versatile sound level meter - just right for the electrical contractor


*Important Calibration Information:

This instrument comes with a ‘manufacturer's certificate of conformity’. It is important to understand that this does NOT constitute a ‘calibration certificate’. A certificate of conformity merely states that the equipment has been designed and produced to meet the requirements of its intended application.
Where calibration of an instrument is possible we will offer this as a separately purchasable item and may be selected from the drop-down box above. You will be sent a full traceable calibration certificate produced in our laboratory and applied with your details as required.

KEW320 Sound Level Meter Comes Supplied With:

  • Battery
  • Instruction manual
  • Wind shield
  • Protective hard case

Key Features:

  • 32 to 130dB Measurement range
  • 60dB dynamic range per level
  • Accuracy +/- 1.4dB (@ ref. conditions)
  • IEC616712-1 Class 2
  • A/C frequency weighting
  • Frequency range 20Hz to 8KHz
  • Fast / slow time weighting
  • Clear LCD with digital and analogue display
  • Battery status indication
  • AC & DC output
  • Auto power off (can be disabled)
  • Tripod mounting point

Key benefits:

  • Measures from 30dB to 130dB
  • 60dB Dynamic space in each range
  • Conforms to IEC61672-1 Class 2
  • Compare results from A & C weighting for measure of low frequency noise
  • Comes in a durable hardcase to keep the instrument in good condition

ISSWWW and Kewtech

One of our longest standing manufacturer partnerships and a brand that sells well day in day out for solid dependability and innovation at the price point.

Kewtech manufacture innovative, accurate and reliable test equipment that enables UK electrical contractors to undertake their testing obligations quickly and efficiently. 

A product with the “Kewtech” brand has been specifically designed for the UK market by a team with many years of industry experience. We pride ourselves on developing and manufacturing products that have real benefit to the industry.

Kewtech have consistently introduced industry firsts, like our Lightmate testing adaptors, the Pat Adaptor, the MFT with PAT testing plus download and our award winning RB1 Replacement Lamp. Our 18th Edition multifunction testers lead the way in ease of use, loop accuracy and repeatability of reading.

KEW320 Sound Level Meter Technical Specification
Applicable standard IEC61672-1 Class 2
Frequency range 20Hz to 8KHz
Measuring range 32 to 130dB
Frequency Weighting A / C
Microphone ½ inch electret condenser microphone
Display LCD
Digital display 4 digit 0.1dB resolution 0.5 second update
Analogue display 30 segment display 2dB resolution 100mS display update
Level ranges Lo: 32 dB to 90 dB Med: 50 dB to 110 dB Hi: 70 dB to 130 dB
Accuracy +/- 1.4dB (ref: 94dB@1KHz)
Dynamic range 60db
Time weighting Fast / Slow
AC Output 1mVrms at full scale (upper limit of each range)
DC Output 10mV / dB
Over limits display (for each range) ‘OVER’
Under limit display (for each range) UNDER’
Min / Max On dedicated button press
Power Supply 9V 006P, IEC6F22 or NEDA 1604
Battery life Approx. 60hrs (alkaline)
Operating temperature range 0 to 40°C
Operating humidity range 10 to 90% RH
Operating altitude 2000m
Storage temperature range e -10 to 60°C
Storage humidity range 10 to 75% RH
Dimensions 258 x 55 x 25mm
Weight 185g approx..

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