LD-730

Wireless Noise Dosimeter Spartan 730

  • Wireless charging and Bluetooth low-energy 4.1 communication
  • Full control and live monitoring via LD Atlas app
  • Automatically connect and download data via G4 LD Utility software without human intervention
  • Optional Event Sound Recording (730-ESR)
  • Optional 1/1 Octave filters (730-OB1)
  • Compliance to OSHA, MSHA, ACGIH, and ISO 9612
  • EU Directive 2003/10/EC compliance

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

Summary Measured Values (Common to all virtual dosimeters)

LωΤ (SPL), Lωeq (Leq), Lωpk (Lpeak), LωΤMax (Lmax), LωΤMin (Lmin) where
     ω = A, C, or Z frequency weighting
     Τ = F, S, or I time weighting
Lpeak, Lmax, & Lmin including time of occurrence
LC-A, Exposure (Pa2s & Pa2h), Motion
Exceedance count and time for 2 rms and 3 peak thresholds
Overload count, duration and percentage

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

1/1 Octave Filters (optional)

Standards

ANSI/ASA S1.11-2014; IEC 61260-1:2014 Class 1

Filters

31.5 Hz to 8 kHz

Linear Operating Range

42 to 140 dB @ 1 kHz

Measured Results

LZeq (Leq), LZΤMax (Lmax), LZΤMin (Lmin)

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

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