OC-6228+ Handheld Noise Level Meter
Core strengths
The emergence of Noise Level Meter aims to provide users with a comprehensive and high-performance noise meter solution. This product boasts the following significant advantages:
Technical Parameter:
| Fulfils Standards | IEC 61672-2013 Class 1 |
| IEC 61260-2014 Class 1 | |
| ANSI S1.11: 2004 | |
| IEC 60651:2001 Type 1 | |
| IEC 60804: 2000 Type 1 | |
| IEC61252:2002 | |
| Microphone+preamplifier | 1/2″ prepolarized condenser microphone+ Preamplifier
(Sensitivity Level: -28dB) |
| Preamplifier | AWA14601 removable preamplifier type 1 |
| Frequency Range | 10 Hz ~ 20 kHz ± 1 dB (not including microphone) |
| Total Measurement Range | Low range: (20~132)dBA, (25-132)dBC, (30-132)dBZ
High range: (30~142)dBA, (35-142)dBC, (40-142)dBZ |
| Self-generated Noise | <12 dB(A), 17 dB(C), 22 dB(Z) |
| Frequency Weighting. | Parallel (simultaneous) A, C, Z, B, D and user1&2-defined weighting |
| Time Weighting | Parallel (simultaneous) F, S, I, Peak |
| Measurement Parameters | Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, LAFmax, LAfmin, LAfeqT, LAseqT, LAieqT.
Note: X is A, C, Z and Y is F, S, I |
| A/D Bits: | 24 bits |
| Sampling Frequency | 48 kHz |
| Calibration | Using Sound Calibrator Class 1 : IEC60942:2003 / IEC 60942:2017
model AWA6221A |
| Correction Function | Press field correction in order to comply with standards ANSI S1.4 |
| Delay Time | The meter can delay 0~99s after pressing start measuring button |
| Back Erase Function | Elimination of undesired noise; example barking dogs, cars, doors |
| Display | 240×320 color screen, adjustable brightness, backlight can be closed |
| Display Resolution | 0.1 dB |
| Low battery indication | Symbol indicate low battery |
| Data Storage
(32 Mb FLASH RAM. SD memory card is optional) |
3328 groups of integrating measuring results only.
3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are same.) 2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.) |
| Mini-printer | |
| Internal Clock | Error less than 1 min/month |
| Output Interface | AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5 mm stereo plug |
| DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug | |
| RS232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing
Transmission speed: 4800, 9600,115200 bps |
|
| USB Interface: available and no need device drive.
Allow USB to be controlled via communication commands |
|
| Power Supply | 4×LR6 alkaline battery or rechargeable batteries |
| 5 V external power supply | |
| Battery Life | Longest time of 30 hours continuously with 4×LR6 alkaline battery |
| Dimensions | 260 (H) x 80 (W) x 30 (D), mm. |
| Weight | 0.35 kg. (include batteries) |
| EMC | Type X |
| Environment: | Working Temperature: -10 ~ 50 °C
Storing Temperature: -20 ~ 70 °C Relative Humidity: 25 ~ 90 % |
| Accessories | AC adaptor, USB cable, RS232 transmission cable, windscreen, hand strap, windscreen fall prevention rubber, carrying case, U-disk, user’s manual |
| Bluetooth Module (Optional) | Can communicate with smart phone and realize wireless control sound level meter |
Our Service Processes
Pre-sales Consultancy
Confirmation of order
Production
Multi-Channel Shipping
After-sale Services
Henan OCEANUS Import and Export Trading Company, 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 detectors since its establishment. With exquisite technology and outstanding quality, we have won widespread recognition in the global market.
Our address
No. 923, 9th Floor, Unit 2, No. 78, Shangding Road, Zhengzhou Area, Henan Pilot Free Trade Zone
Phone Number
+8615981942832
info@china-oceanus.com
