The ME-84U Centralized On-line Monitoring System, with the use of waterproof and dustproof chassis and 19-inch standard chassis, can be used for the long-term monitoring of various physical quantities such as force, stress, vibration, acceleration, speed, temperature, current. By using Ethernet network communication technology, a large-scale testing system with over a thousand channels can be built to monitor large structures for 24 hours. ME-84U can record the operating parameters of the equipment, and will give an alarm in time in case of failure, and collect as much equipment fault information as possible, so as to provide reliable data for understanding accident phenomena, finding the cause of failure and analyzing the damage caused.
Adopts the design of infinite extension to meet the test needs of large structure and large number of measuring points
Suitable for outdoor harsh environment with the requirements of lightning protection, anti-strong magnetic, vibration
resistance, waterproof, dustproof and so on
DMA for real-time, high speed, stable data transmission
Built-in DSP real-time processing system for on-site data processing
Built-in electronic hard disk for storing the measuring data from all channels in real time. After 8 hours (4 hours) of
continuous storage, the data before 8 hours (4 hours) will be overwritten. In order to meet the requirements of data
storage speed, the maximum sampling rate is 25.6kHz/channel for simultaneous sampling of 32 channels, and
51.2kHz/channel for simultaneous sampling of 16 channels, and 128kHz/channel for simultaneous sampling of 32
channels
Channel card grouping is supported, and users can set different sampling rate for each group of channels according to
the test needs
System self-check function: the system (including sensor, collector and software) can be automatically detected at
startup, timing and any time required by the user
The system communication has self-recovery ability after network disconnection, real-time display of network status
information, and the system has built-in watchdog protection, which can restore the working state before power outage
and network interruption
| Number of Input Channel | 4 channels/card, 16 card slots |
| Input Signal | Voltage, IEPE, strain/stress, current and charge (Only one type of input signal per card) |
| Input Protection | ±15V (DC or AC peak value) |
| Gain | 1, 10, 100, 1000 |
| System Accuracy | <0.5% of F.S. |
| System Stability | 0.05%/h |
| Nonlinearity | 0.1% of F.S. |
| Distortion | ≤0.5% |
| A/D Converter | 24-bit Σ-Δ |
| Dynamic Signal Measurement | |
| Max. Sampling Rate | 128kHz/channel |
| Analog quadratic integral | |
| Primary Integral | 1Hz ~ 1kHz or 10Hz ~ 10kHz, Error < 3% |
| Quadratic Integral | 1Hz ~ 100Hz or 10Hz ~ 1kHz, Error < 5% |
| Slow-changing Signal Measurement | |
| Max. Sampling Rate | 200Hz/channel |
| Communication | Ethernet |
| Storage | 16G (Default) / 32G |
| Power supply | 220VAC/50Hz or 18 ~ 36VDC |
| Dimensions | |
| Waterproof Chassis | 490×370×220mm |
| 19" 3U Chassis | 482×350×146mm |
| Environmental Conditions | |
| Operating Temperature | - 10°C to 50°C |
| Operating Humidity | 20 ~ 90%RH@40°C |
| Storage Temperature | - 40°C to 60°C |
| Storage Humidity | 90% RH 24h@50°C |
| Vibration | Frequency cycle range: 5Hz ~ 55Hz ~ 5Hz Drive amplitude (peak): 0.19mm Sweep frequency: ≤1Oct./min Duration of resonant: 10min Vibration direction: x, y, z |
| Ingress Protection | |
| Waterproof Chassis | IP54 |
| Standard Chassis | IP50 |
Figure 1 Single System Block Diagram
Figure 2 Multi-system Block Diagram
DE-BPS Basic Platform Software
Running on XP/Win7/Win8/Win10 operating system
Parameters setting, Function control, Real-time/post-acquisition analysis, data browsing, cursor readouts, scaling curve, data management and simple processing, report generation, long-term continuous data recording, etc.
DE-MS Monitoring Software
Running on DE-BPS and XP/Win7/Win8/Win10 operating system
Based on B/S framework, the local LAN and Internet network equipment management functions are realized
The running status of on-site equipment can be remotely monitored and analyzed in real time
Include the function of user management, data storage, alarm, power outage self-recovery, time domain analysis, spectrum analysis and trend analysis
ME-84U Host Chassis | |
| |
| ME-84U DAQ Card | |
| |
ME-84U Real-time Order Analysis Card | |
| |
