This Sound Level Meter or datalogger has bigger 30-130dB range with built-in mic, 94dB at 1kHz (sinusoidal) calibration signal and offers 4 measurement parameters Lp, Leq, Lmax and LN. Aside from the meter's 30 memory groups it is also capable to transfer data from meter to computer directly complete with real time and date stamp via RS-232C software. A DC output jack is also added to the device for use of analyzer, recorder and other similar devices that can be pl ed into the port. It has the approval European Directives for health and safety required standards and comply with GB/T3785, IEC 651 Type 2, and ANSI 1.4 Type 2.
Useable for a very broad field of application such as machines, traffic, vehicle, architecture acoustics, environment noise and electric noise, ship, office environment, workshop, flight and other noise. Fit for industry environment protecting, working, sanitation, teaching research and other departments.
QUALITY
* Conforms with all the essential health and safety standards & requirements set out by the European Directives
IEC651 Type 2, ANSI 1.4 Type 2 and GB/T3785 compliant
* Approved by strict quality
* High accuracy and unquestionable performance
SPECIAL FEATURES
* Multifunctional with built-in condenser mic
30-130dB range with built-in 94dB at 1kHz (sinusoidal) calibration signal
* 4 measurement parameters
* Lp (sound level)
* Leq (equivalent continuous A sound)
* Lmax (maximum sound level)
* LN (percent of all readings over alarm value set)
* With A, C and Flat weighting
* Slow / Fast response time
* 30 memory groups
* High resolution
* Allow saving, retrieving and deleting of data
* Save or downloaded data to computer directly (can be exported to MS Excel)
* LED alarm output and programmable auto power off & audio alarm
* 0-1.3V, 10mV/dB DC output and auto range selection
* Delivers ultra accurate reading with no guessing errors
* Instant, clear and easy to read results
* Adjustable auto power off, value can be change between 1-9min (can be manually turned off anytime)
* Comes complete with
* CD software for RS232C interface
* RS232C Jack to Serial Cable
* FREE USB to Serial Adapter
* Windscreen Filter Ball to filter-out unwanted signals/noise
* Instruction manual
* Hard plastic carry case with padded & contoured interior
SPECIFICATIONS
* Standards: GB/T3785 , IEC651 Type 2 , ANSI S1. 4 Type 2
* PC interface: CD Software + RS232C Jack-to-* Serial Cable (includes FREE Serial to USB Adapter)
* Function: Lp, Leq, Lmax, LN.
* Parameters measured: Lp, Leq, Lmax, LN.
* Measurement range:
* Lp : 30~130dB (A) , 35~130dB (C) , 40~130dB (F)
* Leq : 30-130dB (10s, 1m, 5m, 10m, 15m, 30m, 1h, 8h, 24h interval)
* LN: 0-100%
* Resolution: 0.1dB
* Accuracy: ±1dB Frequency range: 20.0 to 12,500Hz
* Frequency weighting: A, C and F (Flat)
* Built-in calibration signals: 94dB at 1kHz (sinusoidal)
* Memory: 30 groups max with measuring conditions and with Date and Time Stamping
* Time weighting: FAST 125mS , SLOW: 1 sec.
* DC output: 0~1.3V, 10mv = 1dB
* Microphone: 0.5" Electret condenser microphone
* Display: 14mm (0.55") LCD Screen with backlight
* Built-in battery condition indicator
* Alarm: electron, adjusable, 30-130dB set, LED and optional relay contact (NC) output
* Power off: Manual or adjustable Auto Power off time
* Power supply: 4 x 1.5v AAA Battery or External 6V DC 100mA (not included)
* Size: 236 x 63 x26 mm
* Weight: 170g (excluding batteries)
