Spartan™ Sound Level Meter

Solutions for Occupational Noise Assessment | Series 821

Concerned about potentially dangerous levels of noise in the workplace? Spartan Sound Level Meters Series 821IH 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 of formats.

Spartan Sound Level Meter is available as a Class 1 (Model 821IH) or Class 2 (Model 721IH) device. See Configurations or download the datasheet for more details.

Highlights

  • Easy-to-navigate, responsive touch display
  • Long battery life
  • Wireless charging
  • Automatic data transfer
  • Built-in noise dose metrics
  • Languages supported: English, Français, Italiano, Português, Español
  • Includes valid ISO 17025 compliant calibration certificate

Applications

Walkaround Industrial Noise Measurements
Job-based Noise Measurements
Site Surveys
Plant Sound Maps
Noise Dose Measurements

Standards

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

Measurements

Dynamic Range (A-weighted typical) 17 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: 1 s to 1 h Measurement History: 1 min to 6 h
Metrics Leq, Lmax, Lmin, Lpeak, Ln (6 values)

Available Configurations

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) ✓ ✓

Accessories

Microphone 377B02 (821 Models) 375A04 (721 Models)
Preamplifier PRM821 (821 Models) PRM721 (721 Models)
Software G4 LD Utility
Windscreen WS001
Charging Cable USB-C (CBL242-03)
Calibration Valid ISO 17025 compliant calibration certificate