Digital Logging Personal Noise Dose Meter DB Acoustic Level Meter

Description: 

The personal noise dose meter is test equipment to evaluate the noise condition of working environment by measuring the accumulated noise exposure.

     DOSE is a parameter used to quantify noise exposure measured in a period, during turns of % noise exposure relative to 90dBA for 8 hours. 
i.e. 100% DOSE = 90dBA for 8 hours 
This is known as the Criterion. Other criterion are available such as 100% DOSE = 85dBA for 8 hours to meet legislation in different countries. 
If the person stayed in this environment for 4 hours, he would receive 50%DOSE. 
Also if the noise level was say 93dBA, 3dB higher, a 100% DOSE would be accumulated in only 4 hours, The above example is for a dose meter with 3dB Exchange Rate, where a 3dB increase in sound level corresponds to a doubling energy. A dose meter with 5dB Exchange Rate is also, available where the sound must increase by 5dB to double the dose as required to meet noise legislation in some countries.

The Noise Dose Meter measure the frequency weighted noise exposures and peak sound levels simultaneously.
* Simple operation, including direct read–out of results.
* Eight built–in standard dose measurement setups : OSHA80, OSHA90, MSHA-80, MSHA-90, DOD, ACGIH, ISO85 and ISO90.
* Nine user – defined measurement setups.
* A single sound level meter (SLM) setup.
* A single sound level meter (SLM) setup.
* 50 dose (DATA) result stores.
* Download of setups from PC to the meter.
* Keypad lock protects meter against accidental operation.
* Timers support pre–selection of measurement time and duration.
* Use USB data output to connect with PC.
* Provide Bluetooth data output choice.
The meter is ideal for quick on–site surveys and for monitoring personal noise exposure in accordance with European ISO or USA OSHA, MSHA, DOD AND ACGIH standards.
The meter is two overlapping measurement ranges : 60 – 130 & 70 – 140dB, A & C RMS weightings, Linear & C Peak weightings, Fast & Slow time weightings, and energy exchange rates (Q) of 3, 4, 5 & 6. In dose measurement mode, it display % dose, % dose projected for an 8 hour period, peak level and measurement duration.
For countries that are subject to European Union regulations or the equivalent ISO standards,  the  meter  measure  the  daily  sound  exposure  level  (LAeq,8hr,Pa2h according to IEC 61252, which is identical with the L EX,8h  required by ISO 1999), while for USA OSHA/MSHA regulations they measure the Time Weighted Average level (TWA).
When used as a sound level meter it display sound level, time–averaged (L Aeq) sound level, peak and sound exposure level (SEL).
The meter is automatic run timing facilities controlled by the built–in clock and time–history recording capabilities. Sampling times can be specified between 1s and 1 hour, while storage is 120000 data points.
The meter is able to measure and save up to five specified Ln values (Statistical noise levels). Run duration, start and stop times preset, and other setting via the meter keys or software.

Standard Applied

IEC61252, ANSI S1.25 – 1992 for dose meter and sound exposure meters. IEC 61672-1-2013 Class 2

Microphone

1/2-inch electret condenser microphone with 31-inch integral cable

Display

Liquid Crystal Display

Measurement Ranges (Linearity and Indicator ranges at 4KHz)

60 – 130 : 60 – 130dB (A and C)

70 – 140 : 70 – 140dB (A and C)

Peak  Ranges  (C–weighted  or  Linear  Peak  over the  top  40dB  of  each  measurement  range)

60 – 130 : 93 – 133dB Peak

70 – 140 : 103 – 143dB Peak

Frequency Weightings

RMS Detector: A or C

Peak Detector: C or Z (Linear)

Time Weightings

Fast and Slow (RMS detector)

Exchange Rate

3, 4, 5 or 6dB

Stabilization Time

10 seconds from power on

Threshold and Criterion Levels (From the setup, predefined in the built – in setup according to applicable standards)

User–defined setups in the following ranges :

Threshold Level : 70 – 90dB in 1dB steps

Criterion Level : 80, 84, 85 or 90dB

Criterion Level : 80, 84, 85 or 90dB

At 0.1dB above the top of the selected measurement range

At 0.1dB above the top of the selected measurement range

Under–Range Indications

High Level Detector

115dB

Keypad Lock

Lock and unlock by pressing key combinations: Up and right arrows to lock; left and down arrows to unlock

Clock

Real–time clock with calendar

Memory

Results from 50 measurements can be stored for later viewing and download

Measurement Control

Measurement Duration : May be set to 5, 10, 15, or 30 minutes or 1, 2, 4, 8, 10, 12, or 24 hours

Timers

Up to 16 timers(automatic start and stop)can be set(maximum up to one month ahead of measurement time)

Timer Controlled Started / Stop

Set up from the PC software or meter keypad

Logging

All measurement parameters values can be logged

Logging Period (LP)

1s, 2s, 5s, 10s, 15s, 20s, 30s, 1min, 2min, 5min, 10min, 15min, 20min, 30min or 60min

Logging Capacity

120000 values can be stored at any one time

Setup

Eight built–in (predefined) default setups are included. Nine additional user–defined setups can be stored

Output

USB interface

Power Supply

4x1.5V AAA Size (UM-4)Battery

Battery Indicator

Symbol indication battery voltage level in 4 steps. Indicator flashes when voltage is insufficient for operation

Operating Temperature & Humidity

0 – 50ºC (32 to 122ºF) ,10 – 90%RH

Storage Temperature & Humidity

-10 – 60ºC(14 to 140ºF) ,10 – 75%RH

Size

140x72x34mm

Weight

Approx. 350g (including batteries)

 

Standard Accessories

Main Unit

External Probe

Screwdriver

Carrying Case (B04)

Operation Manual

Optional Accessories

USB Data with Software


 

Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336Digital-Logging-Personal-Noise-Dose-Meter-SL-1256DOS-1005002599369336

 

 

 

 

 

 

 

General
Batteries Inside NO
Characteristic A single sound level meter (SLM) setup
HS Code 9030409000
Port of Shipping Guangzhou, Fuzhou, Dalian, Shanghai
Range 60 – 130 : 60 – 130dB (A and C); 70 – 140 : 70 – 140dB (A and C)
Original Qianhai, Yueliangwan

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Digital Logging Personal Noise Dose Meter Acoustic Level Meter

  • Brand: ROKTOOLS
  • Product Code: SL-1256DOS
  • Availability: In Stock
  • $299.44


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