WAQAS GROUP

Extech SL355 Personal Noise Dosimeter/Datalogger original extech brand price in Pakistan 

Compact, lightweight meter with USB interface

The SL355 is a compact, lightweight dosimeter designed to test noise exposure and provide noise surveys for compliance with OSHA, MSHA, DOD, ACGIH, and ISO standards. Featuring a USB interface and Windows-compatible software to control setup and retrieve stored events or analyze measurements, this dosimeter provides adjustable Criterion Level, Exchange Rate, and Threshold, and can measure frequency weighted noise exposure and peak sound level simultaneously. Comes with belt clip and clip-on 0.5 in. microphone with 2.6 ft. (0.8-meter) cable, 3 AAA batteries, mini screwdriver and carrying case, PC software, USB cable, user manual.

• Perform OSHA and IEC Noise accumulation surveys
• One user-defined measurement setup
• Adjustable Criterion Level, Exchange Rate, and Threshold
• Measures frequency weighted noise exposure and peak sound level simultaneously
• Datalogs up to 12,000 readings when used as a sound level meter with sampling times between 1sec and 1hr
• In sound level mode, meter displays sound level, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
• Stores up to 20 dosimeter surveys including Start/Stop Time, %Dose, %Dose projected for an 8 hour period, and peak level when used in the Dosimeter mode
• UBS Interface. Includes Windows® compatible software to control setup and retrieve/analyze stored data.
• Applications include: personal accumulated noise exposure measurement, workplace noise assessment, OSHA and other regulatory agency compliances
• Complete with belt clip and clip-on 0.5" microphone with 2.6ft (0.8m) cable, 3 AAA batteries, mini screwdriver and carrying case, PC software, and USB cable

Specifications                                  Range
Standards                             IEC61252 ,ANSI S1.25(1992) for dose and sound exposure meters
                                               IEC 60651-1979 Type 2 for sound level meters
                                               ANSI S1.4-1983 Type S (1) for sound level meters
Ranges                                  60 - 130 dB / 70 to 140dB (A/C Weighting)
                                               60 to 130dB / 93 to 133dB (C or Z (Linear) Peak)
                                               70 to 140dB / 103 to 143dB (C or Z (Linear) Peak)
Digital Display                      LCD 0.01-9999%
Criterion Level                     80, 84, 85, or 90dB
Exchange Rate                     3, 4, 5 or 6 dB
Threshold Level                   70 to 90 (1dB steps)
High Level Detector/Peak Flag     115dB, 130dB and 140dB
Response Rate                      Fast or Slow
Measurement Duration       5, 10, 15, or 30 minutes
                                                 1, 2, 4, 8, 12, or 24 hours
Microphone                           1/2 inch electret condenser with 31” cable
Battery Life                            >35 hrs
Event Storage                        20 surveys
USB Interface                         yes
Real time clock/calendar    yes
Dimensions/Weight:           3.8 x 2 x 1.4” (97 x 51 x 35mm) 4.2oz. (120g) incl.batteries