Class-2 Sound Level Meters

SL-4033SD Class 1 Sound Level Meter (in compliance with Ministry Of Manpower requirement) Easy to handle, software not necessary to download the measured sound level readings, after execute datalogger, just take away the SD card from the meter and plug-in the SD card into the computer and download all the measured value with the time information (year / month / date / hour / minute / second) in Excel format directly. Frequency and time weighting meet IEC 61672 class 1

Features

• Frequency and time weighting meet IEC 61672 class 1
• A & C weighting networks comply with standards.
• 0.5" standard microphone head.
• Build External calibration VR.
• Auto range & Manual range selection.
• Available for external calibration adjustment.
• Memory function to store the Max. & Min. value.

it is integrating sound level meter, class 2 model : sl-4035sd. it is real time data logger, save the data into the sd memory card and can be downloaded the excel, extra software is no need. also, frequency and time weighting meet iec 61672-1class 2, iec 60804 type 2, sd card real time data recorder

features

• frequency and time weighting are designed to meet iec 61672 class 2.


• a & c weighting networks comply with standards.


• 0.5" standard microphone head.


• time weighting (fast & slow) dynamic characteristic modes.


• condenser microphone for high accuracy & long-term stability.


• hold and peak hold functions.


• sd card capacity : 1 gb to 16 gb.


• rs232/usb pc computer interface.


• heavy duty & compact housing case.leq, sel, spl, max-l, and min-l measurements.

The BSWA 309 is a digital sound level meter that complies with the IEC61672 Class. The use of high precision 24Bits AD converter makes the instrument to bea ideal choose for performing many kinds of measurement tasks, for example in environmental noise, vehicle noise and industrial application. A main interface can display most useful information of the instrument states and basic noise result. In addition, there is a three profiles interface display independently result that measured in parallel. All profiles can be defined different filters (A, C, Z) and detector time constants (Impulse, Fast and Slow).

Features

• 1/1 Octave in accordance with IEC61260-1:2014 and ANSI S1.11-2004
• Conforms to IEC61672-1 Class 1, IEC60531 Type 2,
• GB/T3785-1985 Class 2,
• GB/T17181-1997 Class 2
• A & C Weighting
• 100dB dynamic range
• Three profiles display

The HTC-1350 is a highly featured instrument to be used for sound level measurement. It is easy to use, having advanced features and user friendly. It has RS-232 communication which optional too. It basically used to measure the current sound pressure level, Equivalent Continuous A sound pressure level & statistic analysis.

Features :

• Auto Manual Shutdown
• Low battery indicator
• DC Output – 0-1.3V 10mV.db
• 94dB in full calibration at (1KHz)
• Optional RS-232 Communication
• Alarm Volume: 30-130dB
• Alarm O/P : LED optional relay output
• Backlight

SL-4030 is a Sound level meter is a mini pocket type, IEC61672, Class-2 Sound Level Meter. It has durable, long lasting component including a strong, light weight ABS plastic housing case. Its pocket and light weight design allow for one-hand operation.LCD display for low power consumption & clear read-out even in bright ambient light condition.

Features

• Large LCD Display, easy to read
• Time Weighting & Frequency weighting meet
• 0.5" standard out size of the microphone.
• External calibration VR.
• Condenser microphone for high accuracy & long-term stability
• Low battery indicator.
• Pocket and light weight design allow one hand operation.
• Warning indicator for over and under load.

Power Supply

• 006P DC 9V battery (heavy duty type)
• DC – 9V adapter input (AC/DC Power optional)