Brandt Instruments Representing Larson Davis noise dosimeters & db metets Representing Larson Davis
Noise, Sound & Human
Vibration Instruments

Larson Davis
Spark® Noise Dosimeters
Models 703, 703+, 704, 705,705+, 706, 706RC

 

 

Larson Davis Noise, Sound & Vibration Monitoring Instruments
Larson Davis Spark Noise Dosimeters
Larson Davis Sound Level Meters
Larson Davis HVM 100 Human Vibration Analysis Systems
Larson Davis Blaze Software


FEATURES OF LARSON DAVIS NOISE DOSIMETERS

All Spark family noise dosimeters share lightweight, trim ergonomic design, and 100 hour battery life…yet each model has a unique personality.
 

  • Calibration Acceptance & Verification
  • Battery Insertion Polarity Guards
  • Microphone Disconnect Detection
  • Tamper resistant microphone assembly
  • User selectable battery type (Alkaline, NiCad, NiMH)
  • Display of run time
  • Real time SPL display even when in "STOP" mode w/706
  • Active display of Run/Stop status
  • Keypad / Front Label Graphics
  • Pelican Cases - 1-pack w/ CAL-150 and 5-pack
Larson Davis 706RC Noise Dosimeter

 

 


  Larson Davis Noise Dosimeter Model Comparison Chart


Basic Functions

703

703+

704

705

705+

706

706RC
Datalogging
Y
Y
N
Y
Y
Y
Y
Dosimeters
4
4
4
4
4
4
4
Remote Control
N
Y
N
N
Y
N
Y
Infrared PC communication
Y
Y
N
Y
Y
Y
Y
Display
N
Y –w 706RC
Y
N
Y –w 706RC
Y
Y
Keypad
N
Y -w 706RC
Y
N
Y –w 706RC
Y
Y
Case1
RP
RP
RP
Ext Al
Ext Al
RP
RP
Battery life (AA alk) Hrs
100
100
100
35
35
100
100
Weight oz (g)
8.4 (238)
8.4 (238)
8.4 (238)
7.0 (198)
7.0 (198)
8.4 (238)
8.4 (238)
Blaze Required for Operation
Y
Y- or 706RC
N
Y
Y – or 706RC
N
N

Reports Generated with Blaze®    
   
Measurement Summary
Y
Y
NA
Y
Y
Y
Y
Summary Report
Y
Y
NA
Y
Y
Y
Y
Time History Detail
Y2
Y
NA
Y2
Y
Y
Y
Statistics Report
N
Y
NA
N
Y
Y
Y
Condensed Event Report
Y
Y
NA
Y
Y
Y
Y
Detailed Event Report
N
Y
NA
N
Y
Y
Y
Memory
1 MB
1 MB
NA
1 MB
1 MB
1 MB
4 MB

                            1. RP – Poly-carbonate plastic housing (same as in cell phones); Ext Al – extruded aluminum, gasketed
                            2. Time history detail available when exported to Excel.

Standard Accessories

  • MPR001 Microphone/Preamp
  • WS002 Windscreen (captive)
  • 3910.0014 Microphone Clip
  • CCS018 Form Fitting Belt Pouch with Belt Clip (705, 705+ gasketed, water tight extruded aluminum case
  • Instrument User Manual
  • Two AA Alkaline Batteries (705, 705+ uses single AA alkaline battery)

 

Model 703

Larson Davis 703 Noise Dosimeter


  • Basic, PC-based data-logging dosimeter
  • No keypad or LCD display
  • Infrared port - Communicates with Blaze®. No communication with 706RC
  • 1 Mbyte memory – Stores time history and Ln tables
  • Reporting via Blaze® (general information, graphical executive summary, event statistics)

Model 703+

Larson Davis 703 +Noise Dosimeter


  • Basic, PC-based data-logging dosimeter
  • No keypad or LCD display
  • Infrared port – Communicates with Blaze and 706RC
  • 1 Mbyte memory – Stores time history and Ln tables
  • Full reporting capability in Blaze®

     Model 704

Larson Davis 704 Noise Dosimeter


  • Basic Dosimeter/ISLM with stored metrics and multiple dose setups
  • Keypad and LCD display
  • No Infrared port – no communication with Blaze or 706RC
  • No storage of time history or Ln tables
  • No reporting capability in Blaze®

Model 705

Larson Davis 705 Noise Dosimeter
  • Extruded aluminum case with gasketed seals
  • Basic, PC-based data-logging dosimeter
  • No keypad or LCD display
  • Infrared port - Communicates with Blaze®. No communication with 706RC
  • 1 Mbyte memory – Stores time history and Ln tables
  • Reporting via Blaze (general information, graphical executive summary, event statistics)e only

Model 705+

Larson Davis 705+ Noise Dosimeter


  • Extruded aluminum case with gasketed seals
  • Basic, PC-based data-logging dosimeter
  • No keypad or LCD display
  • Infrared port – Communicates with Blaze® and 706RC
  • 1 Mbyte memory – Stores time history and Ln tables
  • Full reporting capability in Blaze®

    Model 706

Larson Davis 706 Noise Dosimeter


  • Fully featured Dosimeter/ISLM with stored metrics and multiple dose setups
  • Keypad and LCD display
  • Infrared port – Communicates with Blaze® and 706RC
  • 1 Mbyte memory – Stores time history and Ln tables
  • Full reporting capability in Blaze®

  Model 706RC

Larson Davis 706RC Noise Dosimeter
  • The World's ONLY stand-alone dosimeter with Remote Control feature!
  • Fully featured Dosimeter/ISLM with stored metrics and multiple dose setups
  • Keypad and LCD display
  • Infrared port – Communicates with Blaze®, 703+, and other 706RCs
  • 4 Mbytes memory – Stores time history and Ln tables
  • Full reporting capability in Blaze®
  • Remote control and file download capability

Calibrators

Larson Davis CAL150-CAL200 Calibrfators

 

 

  • CAL 150 Type 2 calibrator - 94 dB or 114 dB at 1kHz
  • CAL 200 Type 1L calibrator - 94 dB or 114 dB at 1kHz

 

Examples of Instrument Display, Measurement Options and Multiple Dose Calculations

User configurable weighting, detector and gain.
Larson Davis Dosimeter Weighting Screen
Counts exceedance events and measures their Duration (two SPL levels and one Peak level)
Larsson Davis Dosimeter SPL Screen
User configurable exchange rate, threshold, Criterion, time/level for each separate Dose value.
Larson Davis Dosimeter Configuration Screen
Simultaneously computes 4 separate Dose, Projected Dose and TWA values
Larson Davis Dosimeter Measurement Screen
Integration period for historical data
Larson Davis Dosimeter Integration Screen
All time history and Ln table data can be viewed using Blaze. User controlled time history storage rate.
(1, 5, 10, 15, 30, 60 second intervals)

A new table is stored every 5 minutes
(0.5 dB bins)

Blaxe Time History Graph
Click on image for higher resolution

 
Measurement Setup via Software
Set SLM Parameters
Set RMS & Peak Weighting
Set Detector
Set Interval Period
Set Gain


Set Dose Parameters

Exchange Rate
Threshold Level
Criterion Level
Criterion Time
Upload Settings to Spark		 Blaze Measurement Setup Screen
Auto Timer
Set Run/Stop times for Spark
1 Daily
2 Daily
Block
Set up to 98 different timers
Upload settings to Spark		 Blaze Instrument Manager Screen
 

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    Prairieville, LA  70769 
1-800-337-6291  
Phone: 225-673-6776
    Fax: 225-673-6725 

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