Input channel

2-20a

Input signal type

Voltage or ICP

ADdigit

24bit

dynamic range

Greater than 110dB

frequency range

1Hz~80kHz<0.1dB (1kHz as reference, 192k sampling)

measurement range

Voltage 5 μ V-10V (rms)

Noise 25dB (A) to 140dB (A) (equipped with a microphone with 50mV sensitivity)

Vibration range of 0.03m/s2 to 10000m/s2 (equipped with 1mV/(m/s2) accelerometer)

When the sensitivity of the sensor changes, the measurement range will vary accordingly

sampling frequency

8192、 12kHz, 16384, 24kHz, 32768, 48kHz, 65536, 96kHz, 131072, 192kHz optional (192k sampling supports 8-channel synchronous sampling)

Main indicators of the vocal section

output channel

2a

sampling frequency

96kHz(Single channel output supports 192k sampling)

frequency range

0.5Hz～70kHz

Maximum output amplitude

9V（rms）

Harmonic distortion

<0.1% @8V

Software Name

Main functions

FFTanalysis software

FFTNumber of lines: 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 are optional.

Analysis results: effective value, power spectral density, power spectrum, etc

OCTAnd 1/3 OCT analysis

Compliant with standards: IEC61260 CLASS 1, GB/T3241 Level 1

Frequency weighting: A, C, Z are optional

The analysis results can be saved. Can record changes over time, with a minimum recording interval of 0.01s

1/n OCTanalyze

Compliant with standards: IEC61260 CLASS 1, GB/T3241 Level 1

Optional analysis frequency bands: 1/6, 1/12, 1/24, 1/48

Analysis of Total Noise Value

Frequency weighting: Parallel A, B, C, D

Time weighting: F, S, I, and peak

Statistical analysis: It can perform statistical analysis on the average sound pressure level of a specified frequency weighting index

The analysis results can be saved and recorded over time, with a minimum recording interval of 0.01s

Vibration total value analysis

Integrator: parallel (simultaneous) measurement of acceleration, velocity, and displacement

Time constants: 1S, 8S

Detection characteristics: effective value, peak value, peak to peak value

Human body vibration analysis

Measurement indicators: Wh weighting or parallel Wb, Wc, Wd, We, Wj, Wk, Wm weighting according to ISO8041.

Time averaging methods: parallel (simultaneous) exponential, linear

Time average constant: 1s (F range), 8s (S range)

Speed analysis

Using a measurement channel, connect it to a photoelectric tachometer or directly analyze the speed data through noise and vibration data. The speed data can be saved together with other measurement results

Damping measurement

Measure the natural frequency and damping coefficient of materials

Collection and analysis

Real time waveform acquisition and display, support multi-channel synchronous acquisition, can set limit triggering, and the acquisition time can be set.

Can cut waveform data Paste Copy Save as, zoom in, zoom out Equipped with corresponding software for post analysis of recorded waveforms

signal generator

Can control the generation of sine signals, white noise, pink noise, sweep frequency, sweep amplitude and other types of signals

Sound intensity analysis

50Hz1/3 OCT sound intensity analysis up to 6.3kHz. (1/3 OCT analysis software package is required first)

Measurement of sound power using sound intensity method

Discrete point method for sound power measurement using sound intensity probe

Compliant with standard: GBT 16404-1996 Acoustics - Determination of sound power level of noise sources by sound intensity method - Part 1: Measurement at discrete points

Surface sound pressure method for measuring sound power

1/3 OCTSimultaneously measure the frequency band sound power level and the A, C, Z weighted sound power levels.

The number of measurement points is determined by the user's channel count, with a maximum of 12 channels (1/3 of the corresponding channel count needs to be purchased first for OCT analysis software authorization).

Time history analysis software

Real time display of spectrum analysis data for each channel; Zoom in Shrink and save the time history curve separately.

Select the energy average, arithmetic average, maximum and minimum values, and data printing within the selected range

waterfall diagram analysis

Take data from 1/3 OCT analysis window, FFT analysis window, etc., and display the time, frequency, and amplitude values in three-dimensional mode to save graphics and analysis results.

Building sound insulation measurement

Measurement of airborne sound insulation, floor impact sound, and reverberation time

Measurement of power transformers

Compliant with GB/T 1094.10-2003 Power Transformers Part 10: Sound Level Determination

Speaker measurement

Can simultaneously measure speaker frequency response, second harmonic, third harmonic, etc; Measurable impedance curve of loudspeaker

Can save frequency response and harmonic curves for comparison

Drainage pipeline measurement

Compliant with standard CJ/T 312-2009 Noise Testing Method for Building Drainage Pipeline System

Equipped with reverberation measurement function (1/3 OCT analysis software must be provided first)

Washing machine measurement

GB/T 4214.1-2000Acoustics - Noise testing of household appliances and similar appliances - Part 1: General requirements

GB/T 4214.4-2008Acoustic household appliances and similar appliances - Noise testing methods - Special requirements for washing machines and centrifuges - Dehydrators (1/3OCT analysis software must be provided first)

customized for customers

We can customize software that meets special measurement standards according to customer requirements