|
| |
The MIDAS TMS represents an evolution in the field of Tide Gauges and Environmental Monitoring Stations. Based on Valeport’s proven data acquisition techniques, the MIDAS TMS can be configured with a wide selection of commonly used sensors. Features such as touch screen operation and rugged environmental housing make it ideal for stand alone applications, but it can just as easily become an integrated part of your LAN, with ethernet, WiFi, radio and dial up communications options.
|
|
| Analogue Data: |
The MIDAS TMS may be supplied with any or all of the following
analogue sensors as standard. Note that the system may be
tailored to suit other or additional sensors on request. |
Sensor |
Range |
Accuracy |
Resolution |
Tide/Level (x 2) |
0 - 10m |
±0.01m |
0.001m |
Water Temp. (x2) |
-5°C to 35°C |
±0.01°C |
0.005°C |
Wind Speed |
0 - 75m/s |
±1% |
0.1m/s |
Wind Direction |
0° - 360° |
±1° |
0.1° |
Air Pressure |
600 - 1100mB |
±0.5mB |
0.01mB |
Air Temp. |
-40°C to 60°C |
±0.1°C |
0.01°C |
Humidity |
0 - 100%RH |
±1.5%RH |
0.1%RH |
Rainfall |
|
±2% |
0.2mm |
Solarimeter |
400 - 1000nm |
±0.5% |
1min |
Visibility |
10m - 50km |
±4% |
10m |
Turbidity |
0 - 2000FTU |
±2% |
0.005% |
|
| Digital Data: |
The system is also fitted as standard with 2 digital (RS232 / serial)
channels (more may be added). These may be used to log data
from any suitable sensor or instrument with a digital output, (e.g.
Valeport current meter, acoustic level sensor). |
| |
Calculated Data: |
If fitted with tide sensors, the MIDAS TMS also uses full Linear Wave
Theory and moving window frequency analysis to calculate
significant wave height and mean wave period, in real time. |
| |
| Memory: |
| Data stored to 32Mb USB FLASH (removable), or back up to any
LAN directory. |
| |
| Power: |
The MIDAS TMS requires a 12vDC power source. It is fitted with a
sealed lead acid back up battery to maintain operation for 1 hour
(minimum) in case of power loss, and to ensure controlled
shutdown. An AC/DC converter is also available. |
| Voltage Input : 12 - 15vDC |
| External : 9-28vDC |
| Current Drain : 2A/1A (screen on/off), using standard sensors. |
| Voltage Output : 12v, or 5v supply to all fitted sensors |
| |
| Data Acquisition: |
Instrument operates a burst sampling pattern, logging mean and
standard deviation of all sensors (plus max gust value for wind, &
total amount for rainfall). |
| Sample Rate : 2Hz |
| Burst Duration : User set, 10 - 600 seconds |
| Cycle Time : User set, 1 to 1440 minutes |
| |
Communications & Network: |
All data from single or multiple gauges may be accessed by
multiple users, either in real time or archive. |
RS232 : Direct communications to PC. RS232/USB adaptor
available if required. |
Radio : Optional Internal UHF/VHF radio transmission.
Requires remote display or receiver. |
Modem : GSM or landline modem option (dials at
programmed interval or receives incoming call)
WiFi : Low power (~50m) or high power (~500m) wireless
networking option.
Ethernet : Direct connection to user LAN. |
| |
|
