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Larson Davis · SoundAdvisor Noise Monitoring Systems · Noise monitoring station

SoundAdvisor NMS044

Current

Portable outdoor noise monitoring system around the SoundAdvisor 831C Class 1 meter in a weatherproof case, with PRM2103 outdoor preamplifier and EPS2116 microphone protection, a 12 V LiFePO4 or lead-acid battery, optional solar panel, and 4G LTE, WiFi or Ethernet for remote access. For construction, mining, wind farm and community noise projects of days to months.

Specifications verified on .

Type
Noise monitoring station
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
4G LTE gateway COM-RV50X, WiFi (optional), Ethernet (optional), GPS, NTP time sync
Weight
8200 g
Compare with other instrumentsAll noise monitoring stations

Specifications

As published by Larson Davis. Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — SoundAdvisor NMS044
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2013 class 1 (831C), ANSI S1.4-2014 class 1 (831C)
Measurement — SoundAdvisor NMS044
SpecificationValue
Channels1
Frequency weightingsA, C, Z
Time weightingsF, S, I
ParametersLeq, Lmax, Lmin, Lpeak, Ln, Ldn, Lden, event history, measurement history
Analysis — SoundAdvisor NMS044
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 1 (IEC 61260:2014), option 831C-OB3
Audio recordingYes
Logging and data — SoundAdvisor NMS044
SpecificationValue
Shortest logging interval1 s (time history typical); 831C-LOG and 831C-ELA included
Memory2 GB internal (831C), expandable via USB
Hardware — SoundAdvisor NMS044
SpecificationValue
Microphone1/2" 377B02 free-field with PRM2103-FF outdoor preamplifier (electrostatic calibration check)
Detachable preamplifierYes
Outdoor microphone kitEPS2116 outdoor microphone and preamplifier protection
Weather sensorsNo
Display831C colour touch screen
Battery12 V 45 Ah LiFePO4 (BAT019) or 35 Ah sealed lead-acid (BAT020)
External powersolar panel SLP001 60 W or SLP002 100 W; AC supply PSA039
Autonomy on internal power14 days
Weight8200 g
Dimensions (mm)610 x 360 x 180 (EPS044 case)
Connectivity and software — SoundAdvisor NMS044
SpecificationValue
Connectivity4G LTE gateway COM-RV50X, WiFi (optional), Ethernet (optional), GPS, NTP time sync
Remote controlbuilt-in web interface; G4 LD Utility; e-mail and text alerts
SoftwareG4 LD Utility

Variants

Variants of the SoundAdvisor NMS044 as the manufacturer names them
VariantDifference
NMS044-LFP60complete system with 45 Ah LiFePO4 battery and 60 W solar panel
NMS044-KIT1-Uuses the PRM831 preamplifier instead of PRM2103

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
Product pageNMS044 Portable Noise Monitoring System
DatasheetSoundAdvisor Outdoor Noise Monitoring Systems DS-0208 revC
ManualNMS044 SoundAdvisor Outdoor Noise Monitoring System manual

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-nms044).

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Known issues and firmware notes

Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.

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Feature requests

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