
Trade in your Series 824 or Model 820 for a Model 831
If you own either the Larson Davis Series 824 or Model 820 sound level meter then we have a special end of year offer for you! For a limited time Larson Davis is offering a loyalty discount of up to 28% off on the purchase of a new Model 831. Some of the outstanding features of the 831 include:
- Class 1 Sound Level meter
- ‘High Definition’ screen
- Large internal storage…up to 2 GB on board memory with USB port for ‘unlimited’ external storage
- Logging of time history, intervals, and event
- Sound recording (.WAV files)
- Noise monitoring with GPS stamps and weather parameters
- All backed by our famous “Total Customer Satisfaction” guarantee!
We also offer special pricing for owners of competitive models…call your local PCB sales representative for details!
PLEASE NOTE: Discount applicable on all 831 models and firmware options. (International conditions may vary)

SoundTrack LxT®
We've extended our special pricing* on the powerful, easy to use SoundTrack LxT®
- Class 2 with 1/1 Octave Band starting under $2,000
- Class (Type) 1 starting under $2,000
- Add 1/1 Octave Band for only $500
Why spend money on an ‘off-brand’ meter when you can own a top-quality Larson Davis SLM backed by our famous “Total Customer Satisfaction” guarantee!
* PLEASE NOTE: Prices valid in US ONLY price outside US will vary

Spark® Series Personal Noise Dosimeters
Model 706 Noise Dosimeter 5-Pack: includes five dosimeters with microphones, windscreens and wearable pouches, plus one each acoustical calibrator, download cable and Blaze® exposure analysis software all in a road-ready hard shell case!
- Fully featured w/ large LCD display
- Simple to use 1 button views all data
- 5 dose calculations + Max and Peak counters
- 100 hour run time w/ 2 AA alkalines
- Intrinsically Safe
*US LIST PRICE; price outside US will vary

Spark® Super-duty Noise Dosimeters
Model 705 (similar to above, but features the model 705 Super-duty dosimeter in place of the 706)
Noise Dosimeter 5-Pack: includes five dosimeters with microphones, windscreens and wearable pouches, plus one each acoustical calibrator, download cable and Blaze® exposure analysis software — all in a road-ready hard shell case!
- Incredibly rugged watertight housing
- Very Compact and easy to use
- 5 dose calculations + Max and Peak counters
- Setup, Control and Reporting with Blaze® software
- Intrinsically Safe
*US LIST PRICE; price outside US will vary