Noise Monitoring System EE-ENMS-01

Noise Monitoring System EE-ENMS-01

 

The  EE-ENMS-01  Is  A  State-Of-The-Art  Noise  Monitoring  System  Developed  By  Engineering  And  Environmental Solutions Pvt Ltd. This Device Is Designed To Offer Real-Time, High-Quality Noise Monitoring Using Class 1 Type Noise Monitoring Sensors. It Is Ideally Suited For Smart Cities And Urban Infrastructure Applications, Such As Roads, Highways, Tunnels,  Campuses,  And  Airports.  The  System  Is  Equipped  With  Advanced  Features,  Including  A  MEMS  Technology Microphone, Real-Time Data Transfer, And Remote Update Capabilities, Making It A Robust And Reliable Solution For Noise Pollution Control.

 

Features

• Tamperproof: Equipped With A Security System To Prevent Tampering, Malfunction, Or Sabotage.
• Over-The-Air Update: Allows Automatic Updates From A Central Server Without The Need For Onsiite Visits.
• Internal Storage: Offers Up To 8 GB Of Internal Storage, Capable Of Storing 90 Days Of Data.
• Real-Time Data: Continuous Monitoring And Real-Time Data Transfer At Configurable Intervals.
• Solar Powered With Battery Backup: Compatible With Solar Power To Charge The Internal Battery.
• Quick Sensing: Enables Threshold-Based Sensing
• Retrofit Design: Plug-And-Play Design For Easy Implementation.
• Compact: Lightweight And Compact, Suitable For Installation At 4-5 Feet Height.
• Network Agnostic: Supports A Wide Range Of Connectivity Options Including GSM, Wifi, Ethernet, And Modbus.
• Weather Resistant: IP66 Grade Certified Enclosure For Harsh Weather Conditions.
• On-Site Device Calibration: Capable Of Onsite Calibration Using Dedicated Software.

 

Power Source

• Industries
• Airport
• Smart City Project
• Roads & Highways

 

Product Specification
Display	128X128 dot matrix liquid cyrstal display (LCD), resolutions 0.1dB, display parameters such as Lp, Leq, LAE, L5, L10, L150, L90, L95, Lmax, Lmin, LCpeak etc. Low battery voltage and other signs. Overload, under-limit, low battery voltage and other signs are available
Internal Storage	8 GB
Network Agnostic	Supports a wide range of connecivity options like GSM/WiFi/Ethernet? Modbus
Ingress Protection	IP66
Installation Height	pole/Wall (Preferably 270° open surrounding) 4-5 feet
Operating temperature	-10°C - 50°C
Performanace level	GB/T3785 & IEC61672 class 1
International standard	IEC 61672:2013 ""Sound Level Meter"" for Class 1 sound level meter

 

 

Sensor Specification
Measured evalution quantity	LP (time weighted sound level) or Lmax (maximum time weighted sound level), Lmin (minimum time weighted sound level)  LCpeak (C weighted peak sound level).
Microphone	Prepolarized Condenser Class 1 Engineering Measurement Microphone, with a nominal diameter of 12.7 mm and a free field frequency response. The nominal sound pressure sensitivity is 50 mV/Pa (the nominal sound pressure sensitivity level is -26 dB, with a reference value of 1 V)
1/1 octave bands	8Hz, 16Hz, 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz, A C Z F S are supported
1/3 octave bands	6.3Hz, 8Hz, 10Hz, 12.5Hz, 16Hz, 20Hz, 25Hz, 31.5Hz, 40Hz, 50Hz, 63Hz, 80Hz,  100Hz,  125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz, 800Hz, 1kHz, 1.25kHz, 1.6kHz, 2kHz, 2.5kHz, 3.15kHz 4kHz, 5kHz, 6.3kHz, 8kHz 10kHz, 12.5kHz, 16kHz, 20kHz, A C Z F S are supported
Measurement range	30dB-130dB(A), 40dB-130dB(C) 45dB-130dB(Z)
Threshold setting range	30 dB to 130 dB, if the sound level exceeds the threshold, a threshold exceeding flag is given and a high level is output.
Preset time	Manually set, the measurement duration is 1s - 99h 59min 59s
Automatic calibration range	± 4.5 dB (reference value is 50mV/Pa)
Output	RS485

 

 

Power Source
Analog output	The output jack is a 3.5mm dual channel headphone jack with a minimum load impedance OF 10K O
AC voltage Output	The output voltage has a lnear relationship with the measured sound pressure, corresponding to the upper limit of the measurement range,  and the root mean square vlaue of the output voltage is 2.0V
Power Supplyt	220V to 12V