HS5671The Type Precision Integral Sound Level Meter is not only a precision sound level meter for measuring index time weighted sound levels, but also an integral average sound level meter for measuring time averaged sound levels and an integral sound level meter for measuring sound exposure. It can also measure statistical percentage sound levels and cumulative percentage sound levels (statistical sound levels), and its performance meets the requirements ofGB/T3785-2010andIEC61672:2002Standard for1The requirements for a level sound level meter include sensitivity to radio frequency fieldsXClass.
This instrument adopts advanced digital filtering and digital detection technology(frequency weightingACZTime weightingFSIAll are calculated through digital filtering and digital detection)Can measure simultaneously(parallel)And display different time weights(Fast、Slow、Impulse、Peak)Weighting with different frequencies(A、C、Z)The sound level(PeakOnly inCAccounting works)
1. The measurement accuracy is in compliance with GB/T3785 (IEC61672) Level 1.
2. The dynamic range is greater than 100dB, and there is no need to convert the measurement range during measurement.
3. Can simultaneously complete three frequency weighting tasks A C、Z， Three types of time measurement weights F, S, and I.
4. Peak noise can be measured according to the peak Cpeak sound level of the new national standard.
5. It can simultaneously measure and display 10 measurement indicators, and also display graphics.
6. Complete digital signal processing, wide frequency response range, large dynamic range, and lower background noise.
7. Display the time-domain curve of the noise while measuring it.
8. It has the function of collecting noise data.
9. Large capacity MicroSD card (TF card) storage, USB interface and RS232 interface.
10. The instrument has a 2M capacity FLASH memory inside.
1. Execution standard: GB/T3785-2010 (IEC61672:2002) Level 1
2 microphones:Φ 12.7mm (1/2 ") pre polarization test condenser microphone
3 frequency range: 10Hz~20kHz
Measurement range: 25dB~140dB (A), 28dB~140dB (C), 35dB~140dB
5 Dynamic range: greater than 100dB (weighted by A)
6 Frequency weighting: Parallel (simultaneous) A, C, Z weighting
7-time weighting: parallel (simultaneous) fast (F), slow (S), I (pulse), and Cpeak
8 Detector Characteristics: Digital Detection Technology
9 A/D bits: 24 bits
10 Sampling frequency: 48kHz
11 Display:160 × 160 dot matrix LCD display with LED backlight.
12 measurement range: divided into high and low levels, with a linear range of ≥ 100dB for each level.
High: 40dB~140dB Low: 25dB~120dB
LCpeak: High: 80dB~143dB Low: 60dB~123dB
13 Main display content: Can simultaneously measure and display 10 measurement indicators or statisticsDistribution map, cumulative distribution map, 24-hour distribution map, calculated values of L1~L99.
14 Measurement time setting: Single group measurement time can be selected as 10s, 1min, 5min, 10min, 15min20min、 30min, 1h, 8h, 24h. Man (set manually within 24 hours).
15 main measurement indicators: Lxyi、Lxyp、Lxeq、Lxae、Lxmax、Lxmin、LxN、SD、 E（DI%）。 X is A, C, Z, Y is F, S, I, N is 5, 10, 50, 90, 95
16. Collecting noise measurement: Calculate and save the instantaneous sound level for a period of time, and the measurement time can be manually set
17 Data storage: Only F1ash can store 3000 sets of single measurement results or 200 sets of hourly measurement results.If an SD card is added, the storage capacity can be expanded to a maximum of 32GB. Can store more measurement data.
18 Data processing software: Use HS7001 software to read data and SD card data files, perform post-processing analysis, and output reports.
19 Data export: The instrument F1ash and SD card data can be output through the RS-232 interface, and can also be connectedRead data files from the SD card through the USB interface.
20 outputs: AC output, RS-232 port, USB port.
21 Power supply: 7.5V (5 LR6/AA/AM3 5th alkaline batteries) can work continuously for 24 hours.
22 Dimensions: 1 × b × h (mm) 290 × 82 × 40
23 Quality: 400g (excluding battery)
24 working temperature: -10 ℃~50 ℃, relative humidity 20%~90%
