NHS & School Discounts Available: Please call for more information.

Martindale SPC70 Class 2 Sound Level Calibrator

Be the first to review this product

  • Produces tones at 94dB and 114dB with 1kHz frequency
  • Tones accurate to ±0.5dB with less than 3% harmonic distortion
  • Calibrates any Class 2 sound meter with microphone less than ø25mm

rrp £257.00

now £211.65 (Ex. VAT) £253.98 (Inc. VAT)

rrp £257.00


Please select a free gift below.

  • Description

    Martindale SPC70 Class 2 Sound Level Calibrator

    The Martindale SPC70 Sound Level Calibrator is suitable for calibrating class 2 sound level meters. It produces constant 1000Hz tones at 94dB and 114dB which means that a meter can be checked and calibrated at two points within its range. The tones are accurate to ±0.5dB and there is less than 3% total harmonic distortion. It is compatible with any meter that has a microphone up to 25mm in diameter but is specifically intended for the Martindale SP79 Class 2 Sound Level Meter.

    Martindale part number: MARSPC70

    Key Features

    • Two tones: 94dB and 114dB
    • 1kHz reference frequency
    • Accuracy: ±0.5dB
    • Max microphone diameter: ø25mm
    • BS EN 60942 Class 2
  • Specification


    • Output sound pressure levels: 94dB and 114dB rel 20µPa under reference conditions
    • Output frequency: 1000Hz ± 2%
    • Accuracy of sound pressure level: ± 0.5dB
    • Total harmonic distortion: <3%


    • Power: 1 x 9V, PP3 alkaline battery (IEC 6LR61, NEDA 1604A)
    • Battery life: 40 hours approx. (alkaline battery)
    • Low battery indication: Power ON/Low Battery LED illuminates red
    • Dimensions: 113 x 63 x 44mm
    • Weight: 170g approx including battery


    • Operating conditions: Temperature: 0°C to 40°C; relative humidity: 10 to 90% R.H.; atmospheric pressure: 650 to 1080 hPa
    • Storage conditions: Temperature: -10°C to 50°C; relative humidity: 0 to 70% R.H.


    • Conforms to BS EN 60942 Class 2


    • Conforms to BS EN 55011, BS EN 61000-6-2
  • Supplied Accessories

    • Martindale SPC70 Class 2 Sound Level Calibrator
    • 1.2” microphone adaptor
    • Carry case
    • Instructions for Martindale SPC70
  • Product Questions

    Please Sign in or Create an account to post a question.

    There are no entries.

  • Reviews

    There are currently no reviews for this product. If you have previously purchased it please leave a review using our quick and easy form to the right.

    Write Your Own Review

    Only registered users can write reviews. Please, log in or register

  • Delivery Information

    At Test-Meter.co.uk we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met. We aim to process all orders we receive within 1 to 3 working days, however from time to time we do have an increased demand for certain products or there might be delays from the manufacturer. In such cases delivery of your equipment may be subject to a minor delay.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

    Customers outside the UK:

    Test-Meter.co.uk exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail admin@test-meter.co.uk with your name, address and the items you would like to order for an accurate shipping quote or go to http://www.test-meter.co.uk/test-equipment-export for more information.

    For more information on delivery, please see our terms and conditions.