HG-904A4 4-Channel Portable Vibration Analyzer 24Bit AD Synchronous Acquisition Bearing Fault Diagnosis
HUATEC HG-904A4 channel a multi-functional instrument, features a versatile input port that can connect to various types of sensors. It utilizes advanced microelectronics, signal analysis, and fault diagnosis technologies, integrating equipment condition monitoring and fault diagnosis capabilities into a single unit.
The analyzer Instrument includes the function of four-channel vibration data acquisition, which can complete vibration measurement on-site and automatically store tens of thousands of vibration feature values and spectra of measurement points. It can also display one to four channels of waveforms and spectra synchronously on-site. Additionally, It can serve as an imbalance detector, completing single- and double-sided dynamic balance verification on-site.
BT4 &IP54
Please note:There is a big difference in hardware configuration between quad-channel and dual-channel.
| Stats |
Hardware specification |
| Model |
HG-904A4 four channel |
| Channel quantity |
Four vibration channels, one tachometer channel |
| Main functions |
Single-channel or multi-channel synchronous acquisition of various parameters including acceleration, velocity, displacement, and axial envelope |
| accuracy |
±5% |
| A/D conversion |
24-bit AD sampling |
| LCD display |
Supports touch screen input, color 5-inch display |
| Tachometer range |
120—12000rpm |
| temperature range of instrument |
-20—55°C |
| temperature range of sensor |
-20°—120°C |
| Rechargeable battery |
Rechargeable lithium battery 7.2V, 6800mA; charging time 7 hours, continuous working time 8 hours |
| Charger |
8.V, 2A |
| Diagnostic library |
Bearing database |
| Measurement function and range |
Simultaneously measures four parameter values and alarm parameter spectra with a sensitivity of 100 mv/g |
| acceleration of 0.1——199.99 m/s² |
| velocity of 0.1——199.99 mm/s |
| displacement of 1um——1999um |
| axial envelope value of 0.1——30 m/s² |
| Software analysis function |
Vibration spectrum and time domain waveform analysis, envelope analysis, precise fault diagnosis function for rolling bearings (four parts) Separate fault diagnosis function: The instrument hardware has a separate fault diagnosis function for collecting other parameter spectra, cepstrum, logarithmic spectrum, and power spectrum diagnosis (real-time acquisition and real-time display) |
| Storage capacity |
16G |
| External interface |
Charging and communication USB2.0 |
| Report output function |
Detects data report output |
| Vibration measurement frequency response range: |
2—35KHz |
| Connectable sensor types: |
Piezoelectric acceleration sensor, ICP sensor, Magnetoelectric velocity sensor, Eddy current sensor |
Main function
Main function:
Multifunctional Input Ports for Various Sensors: (Piezoelectric, Electromagnetic, Eddy Current, ICP)
-- 5-inch color display with Chinese interface for clear and beautiful visualization
-- Huge storage space with a 16GB hard drive that can automatically store tens of thousands of vibration feature values and spectra of measurement points
-- Four channels synchronous acquisition with 24-bit AD sampling
-- 1600,3200,6400 or 12800 lines FFT spectrum
-- USB 2.0 communication interface with a brand-new Chinese Window style menu display for easier operation
-- Analysis frequency up to 35 KHZ with 8 optional levels
-- Full-function high-speed dynamic analysis, including amplitude spectrum, power spectrum, logarithmic spectrum, etc.
-- Display various time domain feature values, including peak value, peak-peak value, effective value, peak factor, skewness, kurtosis, etc.
-- Multiple analysis and diagnosis functions: bearing/gear analysis (envelope demodulation analysis) fault diagnosis, (knock test) natural frequency diagnosis, etc.
-- Data/records storage and playback for rotor balance
-- Test weight can be selectively removed or retained and its quality can be estimated
-- High-precision balancing operation with quick balancing to measure and display vibration values, amplitudes, phases
-- Detection and diagnosis of bearing/gear faults using hardware envelope demodulation
-- Speed measurement, noise measurement, phase measurement, phase diagnosis
-- Manual setting of trigger threshold (large, medium, small)
-- It can be equipped with the EMD software of equipment management system (including bearing database)
Software overview:
With the rapid development of the Internet of Things and big data platforms, we have integrated the functional advantages of our existing software system and adopted the Windows.Net 3.5-5.0 platform, Microsoft Visual Studio 2019 suite, and MySQL database. The communication between the software system and the collector adopts a unified UDP architecture, and the software system is designed with both network and stand-alone versions. After nearly a year of efforts, we have launched the latest version of the Enterprise Equipment Intelligent Monitoring and Diagnosis System (hereinafter referred to as the EMD system). By utilizing the flexible client software operation and comprehensive analysis tool advantages, users can monitor data more conveniently and analyze the causes of abnormalities more effectively. The system software is compatible with multi-channel network data collectors, wireless monitoring collectors, and offline handheld analyzers. While analyzing online data trends, the handheld analyzer can supplement data collection to make the analysis of on-site equipment more comprehensive, thereby comprehensively analyzing unit trends and abnormalities, accurately identifying the causes of abnormalities, and maximizing the safeguard of on-site equipment.
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