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DOT Logger

DOT Logger

Modèle :


Besoin de plus d'informations? (514) 354-2511 - 1-800-463-4363

Description
The Stevens Data Online Telemetry (DOT) Logger is a flexible, compact, and inexpensive data logger specifically designed for accurate measurements from a variety of sensors. The DOT Logger’s design includes four analog and four pulse count inputs, and can monitor up to 190 channels from multiple SDI-12 sensors in remote environmental applications.

The DOT Logger telecommunications options include satellite transmitters (geostationary such as GOES or low earth orbiting such as ORBCOMM), cellular or PTSN modem, or radio (UHF, VHF, spread spectrum). Free software that is shipped with the DOT Logger includes DOT SET for easy set up and configuration of the DOT Logger and Stevens LoggerXL (part of AxRead) for simple exchange of data between the DOT Logger and a computer. Once downloaded to a PC, the data can easily be viewed in a comparable tabular or graphical format or exported to MS Excel or other programs.

This flexible data collection package with the telemetry options easily brings the remote site monitoring information to your computer and/or standard web browser software.

 

Features
  • 4 analog, 4 pulse, 190 SDI-12 channels
  • Simple configuration for telemetry applications:
    • Satellite
    • Radio
    • Telephone
    • Ethernet Links
  • Windows software for easy interaction:
    • Set up and configuration
    • Data exchange to PC
    • Graphical analysis
    • Tabular analysis
    • Data export to other software programs
  • Internet accessible via Web browser (optional)

 

Applications
  • Water resources:
    • Water level/stage
    • Water flow
    • Water quality
  • Groundwater
  • Irrigation scheduling
  • Meteorological & Agriment
  • Soil moisture, temperature, salinity, conductivity, and more

 

Technical specifications
Power Requirments 10 - 17 VDC, <0.5mA standby current
(telemetry system may require additional power)
On-Board Data Storage FLASH EPROM, 256k Bytes, capable of storing 60,000 readings
Recording Interval
  • 1, 5, 6, 10, 15, 30 seconds
  • 1, 5, 6, 10, 15, 30 minutes
  • 1, 2, 4, 6, 8, 24 hours
Real-Time Clock Accurace +/- 1 minute/month, leap year correction
Non-Volatile Memory All setup parameters and clock, lithium battery
Message Size 6 - 250 bytes typically, no maximum
Serial Port RS-232, minimun +/- 5 VDC levels, 300 to 9600 baud
Analog to Digital (A/D) Bits 12
Communications RS-232 (MODBUS optional)
Temperature and Humidity
  • Operating: -40 to 158 F (-40 to 70 C)
  • NEMA 4 enclosure: 100% condensing
  • Aluminum enclosure: 95% non-condensing
Sensor Input Selections
Four (4) Analog - Single Ended:
  • Input type: 2 wire, 4 - 20 mA current loop
  • Sensor power: 24 VDC, under firmware control
  • Accuracy & Resolution: 0.25% accuracy, 0.1% resolution
Four (4) Pulse Count:
  • Input type: pulse
  • Sensor power: 5 or 12 VDC continuous
  • Maximum rate: 30 pulses per minute
190 Serial:
  • Input type: SDI-12
  • Sensor power: 12 VDC continuous, 5 or 12 VDC under firmware control (switched)
One Switched
Excitation Voltage:
5 or 12 VDC
Physical Size (LxHxD)
  • NEMA 4 - 7.87 in x 4.72 in x 2.95 in (199.9 mm x 119.9 mm x 74.9)
  • Black housing - 6.3 in x 4.2 in x 1.3 in (159.0 mm x 105.2 mm x 33.7 mm)

 

Ordering informations
Part # Description
93273 DOT Logger with black aluminum enclosure
93518 Optional NEMA 4 enclosure




 

Etiquettes : DOT, Logger

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