Professional Digital Noise Meter OC-HY128 Octave Band Analyzer For Construction Site School Residential Noise Evaluation

This OC-HY128 multifunctional digital sound level meter supports 7 working modes and 24-hour continuous noise monitoring. It features low-frequency weighting for secondary radiation noise test, optional octave analysis, recording and Bluetooth functions, available in white or blue for factory, construction and environmental noise evaluation.

Feature:

Fully digital sound level meter

Personal sound exposure meter

24h continue environment noise monitoring

Octave and 1/3 octave band analyzer (optional)

Low-frequency A-frequency weighting for secondary radiation noise measurement

Working during charging by power bank

Recording, Bluetooth function optional

Company profile

We Henan Oceanus is located in Henan, a land with a long history and profound cultural heritage, has been dedicated to the research, development, production, and sales of Gas detection system and Environment equipments since its establishment. With exquisite technology and outstanding quality, we have won widespread recognition in the global marketing.

 

01. Business areas

As a leader in the field of Gas detector and Air quality monitor system, we Henan Oceanus will be continued to expand its business scope and provide customers around the world with customizable Air quality monitor system of various types and specifications.

02. Values and ideas

Our company upholds the core values of integrity and quality service, focusing more on friendship with our customers. We always adhere to integrity management, customer-centered, and provide a full range of pre-sales, sales, and after-sales services to ensure that customers can be worry-free when using our products.

03. Global Service Network

We have a comprehensive global service network, offering timely, professional pre-sales consultation, after-sales service, and technical support for overseas users. Regardless of where users are located, they can enjoy our attentive and thoughtful service.

04. Customer Service

With excellent products and services, Henan Oceanus Gas detector and Air quality monitor system have been exported to more than 100 countries around the world and have won widespread praise.

Technical Parameter:

Main measurement indicators:	LXY(X=A、C or Z, Y=F、S or I), LXYmax, LXYmin, LCpeak, 1sLeq, Leq, LE, E, D, Leq,8hn, LN(N=1~99, choose 5), s, Lh, Ld, Le, Ln, Ldn, Lden, LAf, LCf, LZf
Frequency range:	10Hz～20kHz (Class1), 20Hz～12.5kHz (Class2)
Time weighting:	F,S,I
Frequency weighting:	A,C,Z
Detection range:	A: 30dB~130dB, C: 40dB~130dB, Z: 45dB~130dB
Sound exposure measurement range:	0.001 Pa2s～999 Pa2s and 0.278 Pa2h～9 999 Pa2h, automatic unit switching
Noise dose measurement range:	0.001%～9 999%, exchange rate 3dB, standard 85dB
Display:	128×128 dot matrix LCD
Octave filter:	1/1 Octave filter: 16 Hz, 31.5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4kHz, 8 kHz and 16 kHz.
	1/3 Octave filter: 16 Hz,20 Hz, 25 Hz,31.5 Hz,40 Hz,50 Hz,63 Hz,80Hz,100Hz,125 Hz, 160 Hz, 200Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.6 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz and 20 kHz
Analog output:	1) The output jack is a 3.5mm dual-channel headphone jack. 2)DC output: The output voltage is about 15mV/dB, and the range is 450mV～1950mV. 3)AC output: The output has a linear relationship with the measured signal, and the root mean square value of the maximum AC output voltage does not exceed 2V.
Storage	8G SD card, Max 32G
Data output	DB9 male connector (pin type) is used for printing, and USB B type socket is used for data communication
Power supply	2*LR6 battery, or power bank for 24h monitoring
Size/Weight	210*68*31mm/210g
Working temperature	Class1: -10℃~50℃ Class2: 0℃~40℃,