Occupational noise sound level meter Larson Davis Spartan™ series 821

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Model	721IH / 721IH-D / 821IH / 821IH-D
Manufacturer	LARSON DAVIS (a part of the PCB PIEZOTRONICS)
Power supply	Internal Lithium battery, USB-C or external 12 V
Weight	383 g
Size	260 x 83 x 32 mm
Condition	Stocking
Warranty	12 months

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Occupational noise sound level meter Larson Davis Spartan™ series 821 designed with the Occupational Health and Safety professional in mind, Spartan™ series 821 is available in Class 1 and Class 2 models.

I. Specifications of Occupational noise sound level meter Larson Davis Spartan™ series 821

Occupational noise sound level meter Larson Davis Spartan™ series 821 offer the tools needed to evaluate noise in the workplace.

From the intuitive responsive touch screen interface to built-in workplace noise dose metrics to optional Octave Band Analysis features

Spartan™ Series Sound Level Meters make workplace noise surveys and noise dose measurements accessible.

SOLUTIONS OCCUPATIONAL NOISE ASSESSMENT | Spartan™ series 821

Concerned about potentially dangerous levels of noise in the workplace? Spartan™ series 821IH Sound Level Meters 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 OF Spartan™ series 821

Easy-to-navigate, responsive, touch display
Available as Class 1 (Model 821IH) or Class 2 (Model 721IH) Meter
Built-in workplace noise dose and exposure metrics
Wireless charging and data download
Long battery life, up to 40 hours
Optional 1/1 and 1/3 octave Filters
Languages supported: English, Français, Italiano, Português, Español.

TYPICAL APPLICATIONS

Site Surveys
Work Site Noise Maps
Workplace Noise Exposure Measurements
Tasked-based Noise Measurements
Job-based Noise Measurements.

II. Larson Davis Spartan™ series 821 workplace noise measurement

LD Atlas™ MOBILE APP

Noise & Vibration Monitoring - Connect, Measure, Analyze

LD Atlas™ is a free mobile app for use with your new Larson Davis equipment. Install LD Atlas on your phone or tablet - available for both iOS and Android - and connect to your Spartan™ series 821 Noise Dosimeters, SoundAdvisor™ Sound Level Meter Model 831C, and Human Vibration Meter Model HVM200. Connect to your meter and use LD Atlas to easily check on the status of your meter, make setup changes for a new measurement, analyze data, listen to recorded audio files, and even create and share PDF reports with your own company logo on them.

Occupational-noise-sound-level-meter-larson-davis-spartan-series-821

Connections are made to the Spartan™ series 821 meters seamlessly over Bluetooth Low-Energy, without the need to pair devices, or via the IP address of your Sound Advisor 831C or HVM200. Data is presented within a spreadsheet view, time history graphs, and octave band analysis breakdown.

LD Atlas mobile app Oofers

Management of meters connected to the internet
Calibration of meters
Ability to review data and preview graphs
Report production and sharing
Annotation of data with speech-to-text
Playback of sound recording files
Download of files via Bluetooth connection.

Sound level meter applications

Environmental noise monitoring
Attended noise measuring
Product noise evaluation
Production line acoustic testing
Site assessment
Reverberation time measurement
Frequency determination.

Noise dosimetry applications

Worker noise exposure

Shift analysis
Task analysis.

Choose from preset or create custom dose settings

OSHA-PEL
OSHA-HC
ACGIH
NIOSH.

Human vibration meter applications

Hand-arm vibration measurements
Whole-body vibration measurements
General vibration measurements
1/1 and 1/3 octave filters.

III. Available Configurations of Occupational noise sound level meter Larson Davis Spartan™ series 821

Spartan Sound Level Meter is available as a Class 1 or Class 2 device and with or without Octave Band Analysis.

SPARTAN 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)	Optional	✓	Optional	✓

IV. Standard packages and Optional accessories for the Larson Davis Spartan™ 821 Series

INCLUDED ACCESSORIES
DESCRIPTION	MODEL
Free-field Microphone (50 mV/Pa)	721 Models: 375A04 821 Models: 377B02
Preamplifier	721 Models: PRM721 821 Models: PRM821
USB-C Cable	CBL242-03
Software	G4 LD Utility

OPTIONAL ACCESSORIES
DESCRIPTION	MODEL
Replacement internal lithium batteries	BAT026
Power cable with Anderson Powerpole® connectors to bare wires (6 in. / 15 cm)	CBL226-1/2
External 12 V power cable for 721 and 821 of length 15 in. (38 cm). Terminated with Anderson Powerpole® connector	CBL241-01
Universal AC power supply with USB-C output connector	PSA045
Hard shell shipping and carrying case	CCS060
Qi charger pad with USB-C connector	PSA046
Tripod with low acoustic signature for use with Sound Level Meters. Max height 80 inches (2 m)	TRP025
Accessory kit for Class 1 Sound Level Meters; includes case (CCS060), power supply (PSA045), Class1 calibrator (CAL200) & windscreen (WS001)	X21-ACC
Accessory kit for Class 2 Sound Level Meters; includes case (CCS060), power supply (PSA045), Class 2 calibrator (CAL150) & windscreen (WS001)	X21-ACC1
Option to add 1/1 and 1/3 Octave Band filters	X21-OB3
Option to disable Bluetooth	X21-NBT
8 GB, industrial grade microSD memory chip	X21-SD-8GB
Preamplifier extension cables up to 200 ft. (60 m)	EXC series

View More Compact

Technical specifications of Occupational noise sound level meter Larson Davis Spartan™ series 821

SPECIFICATIONS
GENERAL
Dynamic Range (A-weighted typical)	17 to 140 dB
Time Weightings	Fast, Slow, & Impulse
Frequency Weightings	A, C, & Z
Data Storage (microSD card)	8 GB standard Up to 32 GB (µSDHC) and 256 (µSDXC)
Communication	USB-C, Bluetooth BLE 4.1
Display	480 x 800 color with capacitive touch
Power	Internal Lithium battery, USB-C or external 12 V
Battery Recharge	Qi Wireless, USB-C, or external 12 V
Typical Runtime (internal battery @ 22 °C)	40 hours (display off) 15 hours (display on)
External Power	6 V to 24 V DC (720 mW typical with display off)
Logging	Time history: 1 s to 1 h Measurement History: 1 min to 6 h
Metrics	Leq, Lmax, Lmin, Lpeak, Ln (6 values), Time above
1/1 and 1/3 Octave Metrics (Optional)	Leq, Lmax, Lmin
Signal Output	AC/DC on 3.5 mm TRS jack
Operating Temperature	-30 to 60 °C
Dimensions (H x W x D)	10.1 x 3.3 x 1.3 inches 260 x 83 x 32 mm
Weight	12.1 oz (383 g)
FILTERS (OPTIONAL)
Bandwidth	1/1 and 1/3 Octaves
Frequencies (base 10)	1/1: 8 Hz to 16 kHz 1/3: 6.3 Hz to 20 kHz
Standards Compliance	ANSI S1.11-2014 Class 1 IEC 61260:2014 Class 1
STANDARDS
Acoustic	721 Models: ANSI S1.4-2014 Class 2, IEC 61672-1:2013 Class 2 821 Models: 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