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db-4000EZ Noise Dosimeter
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Noise Dosimeter - db4000ez

The db-4000EZ Noise Dosimeter

The new db-4000EZ Personal Noise Dosimeter is designed for the infrequent user. It's simple user interface saves you time and money without compromising on quality.

A laminated Quick-Start Instruction Card fits neatly in your shirt pocket and contains all the instructions that are required for routine surveys. An optional vibrating belt clip alarm and user friendly on screen icons notify workers and monitoring technicians quickly and simply when permissible exposures levels are reached.

Although simple to use, the db-4000EZ noise dosimeter is a powerful professional grade instrument that provides documented calibrations and a comprehensive set of measured and calculated test results.

All test results are available directly from the instrument display or can be uploaded to HyperTerminal or the included Metrosoft software program. A simple one-page report can be generated by HyperTerminal, Metrosoft, or by connecting the instrument directly an ASCII-compatible parallel printer.

The db-4000EZ noise dosimeter includes both pre-programmed standard setups and customizable user-defined setups for unique corporate standards or localized government regulations.

Related Documentation:
db4000EZ Noise Dosimeter Data Sheet (pdf) 104k

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db4000ez Noise Dosimeter Technical Specs

The following data is available via the display:
SPL, Peak, Max, Min, Avg, TWA, Projected TWA, SEL, Dose, Projected Dose, Exposure, Compliance Status, Time over Upper Limit Level, Elapsed Time, Battery Status, OR & UR indicators.

User-Selectable Parameters Per Virtual Dosimeter
The db-4000EZ contains (2) virtual dosimeters. The following parameters can be set for each virtual dosimeter:

  • Slow or Fast Response for each or Impulse for both
  • 3, 4, 5 or 6 dB Selectable Exchange Rate for each
  • 40-140dB Criterion Level in 1 dB increments for each
  • 1-24 hrs Criterion Time in 1 hr increments for each
  • 40-140dB Threshold Levels in 1 dB increments for each
  • 40-140dB Upper Limit Values in 1 dB increments for each Compliance Status
  • 40-140dB TWA Indicator Trigger in 1 dB increments (2) for each Per Instrument

Selectable Global Parameters

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  • 40-110dB or 70-140dB Selectable RMS Range
  • Selectable A or C RMS Weighting
  • Selectable A, C, or Z Peak Weighting
  • 90-120dB Cal Level in 1 dB increments
  • 40-140dB Slow Ceiling Limit in 1 dB increments
  • 40-140dB Fast Ceiling Limit in 1 dB increments
  • 8-18 hrs Projected Dose Time Period in 1 hour increments
  • Vibrating Alarm Trigger:
    40 to 140 dB TWA in 1 dB increments, On or Off (Based on Dosimeter #1 TWA)

General Specifications

  • Detachable Pendant Microphone with Clothing Clip
  • 115-143 dB Peak Range
  • 0.1 dB Amplitude Resolution
  • Dose Resolution:
    0.001% to 9999%, auto-scaling always showing 4-digits
  • Keypad Lock:
    (1) 4-digit User-defined code for Run/Pause access
    (1) 4-digit User-defined code for Setup access

Display Parameters:

  • User Adjustable Display Contrast
  • Selectable ¡°Basic¡± or ¡°ISO/IEC¡± nomenclature
  • Selectable ¡°Off¡±, ¡°Auto¡± and ¡°Key¡± activated backlight
  • Selectable English, Spanish, French, German & Italian Languages
  • DD/MMM/YYYY; HH:MM:SS AM/PM or 24-hour clock

Auto-Run Modes:

  • Timed Run
  • Days of Week
  • Date

Communications:

  • Infrared Serial Interface @ 115 kbps
  • RS232 Interface

Software Compatibility:

  • Metrosoft ms-4000EZ
  • HyperTerminal

Intrinsic Safety:

  • UL
  • cUL
  • Ex to ATEX directive
  • MSHA(pending)
  • SIMTARS (pending)

Product Standards:

  • CE Mark
  • EN 61252
  • ANSI S1.25

Physical:

  • 68.6 x 127 x 38.1 mm (2.7¡± x 5¡± x 1.5¡±)
  • 369 g (14 oz)
  • Industrial-grade cast aluminum, IP-65 rated
  • Removable belt clip with tripod mounting adapter

Environmental:

  • Operating Temp Range: -10 to +50¡ÆC (+14 to + 122¡ÆF)
  • Storage Temp Range: -25 to +60¡ÆC (-13 to +140¡ÆF)
  • Humidity Range: 0 to 95% non-condensing

Power:

  • (80)hrs Minimum Operating Hours from (2) AA disposable alkaline batteries

Options:

  • Vibrating Alarm Belt Clip
  • Detachable Boom Microphone
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