Casella Stealth Noise Nuisance Recorder
Casella Stealth Noise Nuisance Recorder

Product Code - CEL-NNR/K1

exc VAT £1,012.00 inc VAT £1,214.40
Description / Features / Spec


Casella Stealth Noise Nuisance Recorder

The Stealth NNR (Noise Nuisance Recorder) from Casella has been specifically designed to monitor noisy neighbour complaints as simple as possible.

The kit contains a ‘peli’ style kit case, shoulder bag, 5m microphone extension cable, power supply, table-top tripod, pre-amp tripod mount, padlock and field guide. 

Please Note: a CEL-632 or CEL-633 Sound Level Meter is needed but is not provided with this kit. 

 This easy to use kit fits in a shoulder bag and after the equipment has been set up, can give the impression that nothing has been left in the property y of the complainant. 

Walk Through by Casella is the visual menu system in the Stealth Noise Nuisance Recorder which has been designed to be used by operators with minimal experience or training.  This also means there is no complex button pushing on the menu. 

Once in NNR mode the required parameters are automatically selected, including time history.  There is no need for any user-configuration this way and the operator will be prompted to perform a calibration.  Measurement is automatically started once a voice note is added and completed. 

Casella Insight is another product which gives an easy to use platform to download any recorded data from instruments, analyse it and store the measurements according to either the location or the complainant.  Times when audio has been recorded is clearly marked, along with the time history of the measurements which are shown in graphical format.  The audio recorded can be played back with a profile (down to 10ms) of the sound pressure.

Key Features

  • Small and unobtrusive
  • Integrated illuminated record button, no remotes to lose or damage!
  • Specifically designed for noise nuisance complaints
  • Simple to use with ‘Walk Through’ operation
  • Up to 60 hours of audio recording, with pre and post trigger to identify illegitimate complaints
  • CEL-630 Sound Level Meter can be used for other applications
  • Automatic restart after power failure



Case - 296 x 212 x 96 mm (11.7 x 8.4 x 3.8 in)
Bag - 181 x 77 x 167 mm (7.2 x 3.1 x 6.6 in)

Power Mains

220 - 240 VAC

Internal Power

3 x AA cells provide > 10h operation in case of power failure


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We offer a range of delivery options to suit your needs including FREE UK (mainland) delivery on all orders over £75 ex VAT, which is web-exclusive.  All UK and International orders are sent using a fully trackable and reliable courier service.  You will receive an email notification upon despatch of your order and tracking details can be requested at any time should you wish to check the status of your delivery.  


International customers also have the option to choose their own courier.  See the delivery page for more details.

Shipping costs are dependant on delivery address and will be calculated at the time of checkout.  Delivery costs are based on a maximum weight of 20kg and maximum dimensions of 40 x 40 x 40 cm.  For orders exceeding these weights and dimensions, please contact us on [email protected] for a delivery quote.

For UK mainland orders, goods will normally be delivered within 3 - 5 working days and for all other orders within 5 - 10 working days.  Delivery timescales are based on stock availability and are subject to change at any time. 

Note: We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.



Should you wish to cancel an order or return unwanted goods please follow the procedures detailed below to help us ensure cancellations/returns are processed as quickly and efficiently as possible.

Simply log on to your customer account, note the order reference number and email the full cancellation details to [email protected] or contact us on 0844 550 0001. Assuming the order has not been despatched we will cancel.

You have the right to cancel the purchase of goods without having to give a reason at any time within the “cooling off period” of seven working days, beginning the day after you take delivery of your order.

You must notify us of your cancellation in writing via email to [email protected] or to our contact address. (Details Here)

If you are in possession of the goods you are under the duty to retain them and take reasonable care of them.

You must send the goods back to us in their original condition to our contact address at your own cost (unless we delivered the item to you in error or the item is damaged or defective) as soon as possible once you have cancelled the contract.

Alternatively we will collect the goods from you which will incur a charge no greater than the actual cost of arranging the collection and shipping. In this case you must make the goods available for collection. We will contact you to make further arrangements.

We reserve the right to make a charge not exceeding our direct costs of recovering the goods if you do not return the goods or return them at our expense.

Upon receipt of returned items in satisfactory condition we will arrange a full credit by the same method used to pay for the goods originally. Any credit due will be processed within a maximum of thirty days.

Note: If you wish to return goods for refund or exchange after 14 days, a re-stocking fee of 20% of the full order total will apply.

If upon receipt of goods you find them to be faulty, damaged or if you have been incorrectly supplied an item, you should notify us within 24 hours by contacting 0844 500 0001 or [email protected] and quoting your order number and contact details.

Frontline Safety will arrange uplift of any damaged or wrongly received goods and if on inspection of goods we also find them to be damaged, faulty or incorrectly supplied, we will offer replacement goods or provide a full refund.

We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.

Note: If your goods happen to develop a fault out with the standard returns period but within supplied warranty period or if you require any additional assistance, please contact us on 0844 550 0001 or email [email protected]


All postage, handling, customs and duty charges for all returned goods are the responsibility of the customer. We recommend using a fully traceable, insured service as goods are your responsibility while in transit.