Larson Davis · Spartan · Noise dosimeter
Spartan 730IS
CurrentIntrinsically safe version of the Spartan 730 personal noise dosimeter for explosive atmospheres, with ATEX, IECEx, UL 913 and CAN/CSA C22.2 approvals and an MSHA approval announced in 2022. Same display, Bluetooth Low Energy, virtual dosimeters and options as the 730, but with a NiMH battery, longer charging time and smaller internal memory.
Launched 2020. Specifications verified on .
- Type
- Noise dosimeter
- Channels
- 1
- Octave bands
- 1/1
- Connectivity
- Bluetooth LE 4.1, USB 2.0 Micro-B
- Weight
- 130 g
- Battery life
- 30 h
Specifications
As published by Larson Davis. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| Standards | ANSI S1.25-1991 (R2017), IEC 61252 Ed. 1.2 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 52 to 140 dB rms A-weighted (linear operating range); dynamic range 94 dB |
| Linearity range | 52 to 140 dB(A) |
| Peak range | 78 to 143 dB peak, C-weighted |
| Frequency range | 20 Hz to 10 kHz |
| Frequency weightings | A, C, Z |
| Time weightings | F, S, I |
| Parameters | Dose, TWA, LAeq, LCeq, LCpeak, LZpeak, LASmax, LAFmax, TWA3, TWA5, motion |
| Dosimetry | Yes |
| Exchange rates | 3 dB, 4 dB, 5 dB, 6 dB |
| Intrinsically safe marking | ATEX, IECEx, UL 913, CAN/CSA C22.2, UKCA, FCC (as listed by the manufacturer); MSHA approval announced February 2022 |
| Specification | Value |
|---|---|
| Octave bands | 1/1 |
| Octave band filter class | 31.5 Hz to 8 kHz (optional) |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | Yes |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 s |
| Memory | 2 GB internal |
| Specification | Value |
|---|---|
| Microphone | 1/4" Model 375A03 |
| Detachable preamplifier | No |
| Display | colour LCD 176 x 176 pixels, always on, with light sensor and front light |
| Battery | rechargeable NiMH; Qi wireless or USB charging, 16 h charge time |
| Battery life | 30 h |
| Weight | 130 g |
| Dimensions (mm) | 85 x 54 x 39 |
| IP rating | IP65 |
| Operating temperature (°C) | -10 to 50 |
| Specification | Value |
|---|---|
| Connectivity | Bluetooth LE 4.1, USB 2.0 Micro-B |
| Remote control | LD Atlas app (iOS and Android) |
| Software | LD Atlas, G4 LD Utility |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Spartan Intrinsically Safe 730IS Noise Dosimeter | |
| Product page | Spartan 730IS specifications | |
| Press release | Product and support announcements (730IS released July 2020; MSHA approval February 2022) |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference larson-davis-spartan-730is).
Verified owner reviews
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Known issues and firmware notes
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Feature requests
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Read next
- How to choose a noise dosimeter · IEC 61252, exchange rates, criterion levels, badge vs cable, intrinsic safety, logging and audio.
- Sound level meter calibration and verification · Field calibration vs laboratory calibration, IEC 61672-3, ISO 17025, intervals, reading a certificate.
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