HS5660C type precision noise spectrum analyzerDetailed product description：

I. Overview
The HS5660C precision noise spectrum analyzer is an intelligent noise measurement instrument that meets the requirements of IEC61672 standard for level 1 sound level meters and GB3785 standard for type 1 sound level meters, as well as the requirements of IEC6260 and GB/T3241 standards for octave band filters. The analyzer adopts digital detection technology, which greatly improves stability and reliability, and is suitable for noise measurement in various industrial environments, especially for frequency spectrum analysis of noise. This instrument is convenient and reliable for measuring various noises, and can be widely used in environmental monitoring, health and epidemic prevention, labor protection, school teaching, scientific research and other departments.

2、 Main technical parameters and performance
1 Microphone: Ø 12.7mm (1/2 ") pre polarized test condenser microphone
2 frequency range: 10Hz-20kHz
3 Frequency weighting: A weighting, C weighting, Lin (linear)
4 Measurement range: 25dB-130dB (A), 30dB-130dB (C), 40dB-130dB (Lin)
5-scale control: manual selection, divided into three levels, linear range of 70dB.
6 Range: L: 23dB -90dB
M：40dB -110dB
H：70dB -130dB
7 Instrument Accuracy: Complies with IEC61672 Level 1 or GB3785 Type 1
8 time weighting: fast (F), slow (S)
9 timed measurements: Lp, Leq, Lae, L5, L10, L50, L90, L95
Lmax, Lmin, SD, Ld, Ln, Ldn, etc
10 time settings: 10s, 1min, 5min, 10min, 15min, 20min
1h、4h、 8h、 24-hour whole time.
11 Sampling time: 31ms
12 Filter: Built in 1/1 octave band
Center frequencies: 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz.
Measurement display: Large screen dynamic LCD display, instantaneous sound level display with analog meter function.
14 Data storage: 500 sets of single data, 4 sets of hourly data, and 50 sets of automatic measurement data from filters
15 output interface: AC output interface: provides AC voltage signal for external analysis
RS-232 interface: used for on-site printing of micro printers or printing through computer communication afterwards
16 Calibration: HS6020 Sound Level Calibrator, 1000Hz 94dB.
17 Power supply: 5 No. 5 alkaline batteries, can work continuously for 24 hours, and can be connected to an external power supply of DC9V.
18 Dimensions: l × b × h (mm): 307 × 80 × 30, Weight: 386g (with battery)

3、 Other:
1. Choose accessories: calibrator, extension cable (5m/10m/15m), tripod, and matching printer.
2 Basic configurations: host, printer, hood, clock driver, aluminum alloy box.