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Larson Davis

Larson Davis Spartan 730 Noise Dosimeter

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The Larson Davis Spartan 730 Noise Dosimeter is designed to make worker noise dose measurements easy and efficient. With the Spartan 730, control test setup and measurements directly from the Larson Davis mobile app. All essential tasks can be completed from your mobile device. The Larson Davis Spartan 730 offers interference-free monitoring using low-energy Bluetooth, ensuring the user obtains essential data the first time. When a test is complete, this noise dosimeter communicates with the app to download the data, which is viewable directly from a phone or tablet. 

The Larson Davis Spartan 730's built-in measurement of motion and bumps, combined with optional event audio recordings and 1/1 octave frequency analysis, provide additional data to help you understand what caused the noise. The G4 Larson Davis Utility software offers another option for control of your testing. The Spartan 730 noise dosimeter's connectivity and useful features such as automatic calibration and wireless charging make it a well-rounded instrument.
  • Specifications
  • Features
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Features
  • Wireless charging and Bluetooth low-energy 4.1 communication
  • Full control and live monitoring via LD Atlas app
  • Download and view measurements, generate reports, and share annotated data from the app
  • Automatically connect and download data via G4 LD Utility software
  • Built-in bump and motion detection
  • Automatic calibration
  • Optional event sound recording (730-ESR)
  • Optional 1/1 octave filters (730-OB1)
  • Worker noise exposure measurements
  • Task-based noise measurements
Specifications

Performance

Standards

ANSI S1.25-1991 (R2017), IEC 61252 Ed. 1.2

Linear Operating Range

52 – 140 dB rms A-weighted

Dynamic Range

94 dB

Peak Range

78 – 143 dB Peak, C-weighted

Peak Weightings

A, C, Z

RMS Weightings

A, C, Z

Time Weightings

slow, fast, impulse

Frequency Range

20 Hz to 10 kHz

Data Logging

1 second samples

Logged Data

LAeq, LCeq, LCpeak, LZpeak, LASmax, LAFmax, TWA3, TWA5, Motion

Memory

8 GB internal

Communications

Bluetooth low energy 4.1
USB 2.0 (Micro-B connector)

Battery

Rechargeable lithium ion

Run Time

40 hours, typical

Charge Time

3 hours from full discharge

Charger

Qi-compliant wireless or USB

Compliance

CE, ROHS, WEEE

Motion

Overall motion percentage and bump

Languages

English, Spanish, Italian, French, Portuguese, German

Virtual Dosimeter

Virtual Dosimeters

4 independent with configurable LED indication

Exchange Rate

3, 4, 5, 6

Criterion Level

70.0 to 100.0 dB

Threshold

70.0 to 100.0 dB

Shift Time

1 to 24 hours

Alarms

2 independent with configurable indication

Measurement Results

Dose; ProjDose; LAVG; TWA(8); Proj TWA(8); Lex,8h; Lep,d; Proj Lep,d

Mechanical

Display

Color LCD 176 x 176 pixels, always on with low light sensor and front light

Ingress Protection

IP65

Keys

Four buttons

Weight

112 g (4.2 oz.) including clips and windscreen

Dimensions

85 x 54 x 39 mm (3.35 x 2.13 x 1.54 in.) dosimeter only

Microphone

¼-inch Model 375A03

Operating Temperature

–10 to +50 ℃ (14 to 122 ℉)

Operating Humidity

Up to 90% RH, non-condensing

Event Audio Recording (optional)

Format

16-bit .wav

Sample Rate

8 kHz

Recording Time

Fixed: 2 s pre-trigger and 10 s post-trigger

Trigger Source

LAS, LAF, LCS, LCF, LAeq,1s, LCeq,1s

Trigger Level

40 – 140 dB, selectable

Applications
Options
Accessories
Standards
Media

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