Larson Davis Spartan 721 & 821
Concerned about potentially dangerous levels of noise in the workplace? Spartan Sound Level Meters Series 821 from Larson Davis, designed for Occupational Health and Safety professionals, offers all the tools needed for workplace noise and noise exposure measurements, including built-in workplace noise dose metrics and selectable time and frequency weightings. Optional Octave Band Analysis feature (1/1 and 1/3 octave bands) provides data that can help with noise source identification and hearing protection selection. Included software provides noise reports over time, data visualization, and streamlined results reporting, plus the ability to export data to a variety formats.
Request Pricing| Features | |
|---|---|
| Highlights | Easy-to-navigate, responsive touch display |
| Dust and moisture resistant with IP65 rating | |
| Long battery life | |
| Wireless charging | |
| Automatic data transfer | |
| Built-in noise dose metrics | |
| Available as Class 1 or Class 2 | |
| Applications | Walkaround Industrial Noise Measurements |
| Job-based Noise Measurements | |
| Site Surveys | |
| Plant Sound Maps | |
| Noise Dose Measurements | |
| Key Specifications for Spartan Model 821IH | |
|---|---|
| Dynamic Range (A-weighted typical) | 14 to 140 dB |
| Time Weightings | Fast, Slow, & Impulse |
| Frequency Weightings | A, C, & Z |
| Data Storage (micro SD card) | 8 GB standard. Up to 256 GB |
| Data Logging | Time history: 1s to 1h Measurement History: 1min to 6h |
| Metrics | Leq, Lmax, Lmin, Lpeak, Ln (6 values) |
Available Configurations
Spartan Sound Level Meter is available as a Class 1 or Class 2 device and with or without Octave Band Analysis.
| SoundExpert Sound Level Meters | ||||
|---|---|---|---|---|
| Model | 721IH | 721IH-D | 821IH | 821IH-D |
| Class | 2 | 2 | 1 | 1 |
| Time History Logging | ||||
| Measurement History | ||||
| Dosimetry | ||||
| OBA (1/1 and 1/3 Bands) | ||||
| Standards and Approvals for Series 821IH | |
|---|---|
| Acoustic | ANSI S1.4-2014 Class 1 IEC 61672-1:2013 Class 1 |
| Noise Dosimetry | ANSI S1.25-1991 IEC 61252:2017 |
| Safety | Directive 2014/35/EU IEC 61010-1:2010 RoHS Directive 2011/65/EU |
| Approvals | CE, RoHS, WEEE |
See the configuration guide for all accessories.
| Training Partner |
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| Downloads |
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| Spartan 721/821 Brochure |
| Spartan 721/821 Manual |
| Related Pages |
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| Training Videos |
| Sound Meter Selection Guide |
| Noise Monitor Selection Guide |
| Links |
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| Larson Davis Page |
| G4 Ld Utility Software |