Jiaxing Hengsheng HS5661+Precision Sound Level Meter

HS5661⁺The Type Precision Sound Level Meter is a high-precision universal sound level meter that measures index time weighted sound levels. Its performance meets the requirements of GB/T3785 and IEC61672-2002 standards for Level 1 sound level meters.

This instrument adopts advanced digital detection technology, which has the advantages of high reliability, good stability, and wide dynamic range. It can be connected to RS232 digital output interface, and can be remotely controlled and telemetry with a computer. It can also be networked with multiple sound level meters and measured simultaneously by computer control.

This instrument can be widely used for industrial noise measurement and environmental noise measurement of various machines, vehicles, ships, electrical appliances, etc. It is suitable for factories, enterprises, environmental protection, labor hygiene, teaching, scientific research and other fields.

• Technical Parameter

1. Microphone: Φ 12.7mm (1/2 ") test condenser microphone, with a sensitivity of approximately30mV/Pa， Frequency range: 10Hz~20000Hz,

2 Frequency range: 10Hz~20000Hz

3 Instrument accuracy: Complies with IEC61672~Level 1

4 Frequency weighting: A, C, Lin weighting

5-scale control: manual, divided into four levels, linear range>60dB.

28dB – 80dB(A)

40dB – 100dB

60dB – 120dB

80dB – 140dB

The reference direction is the axial direction of the condenser microphone

7 Reference Sound Pressure Level: 94dB

8 time weighting: fast (F), slow (S)

9 detector characteristics: digital detection, true RMS

10 Display: Large screen dynamic LCD display, instantaneous sound level, with analog meter display.

11 output interface: AC output: 0.8V

12 Power Supply: 4 × LR6 (5 #) high-energy alkaline batteries, also compatible with 6V external power supply. A full capacity battery can operate continuously for 24 hours under normal working conditions. When installing the battery externallyThe power supply and internal battery cannot be used simultaneously.

13 Dimensions: L × B × H (mm) 230 × 72 × 30

14 Quality: 400g (including battery)

15 Usage conditions:

1) Temperature: -10 ℃~50 ℃

2) Relative humidity: 25%~90%

3) Air pressure: 65kPa~108kPa