OTT HydroMet

- Model HSPALink - 2-Way Logging Transmitter



Multi-Sensor Input Logger plus flexible, economical 2-Way HSPALink now has WiFi capability for complete station set-up & data access. Features: WiFi, USB-Host, Cellular, Data Logger. Product highlights: HPSA Data logger with built-in Wifi for easy communication to the logger from the Sutron Mobile application. Sensor interfaces: SDI-12, RS485.

Easy-to-use Software includes setup program.
Terminal strip with screw terminals for I/O and power connections
Operates 8-16VDC
TCXO real-time clock with battery backup (+/-4ppm)
Built-in solar panel regulator
Support for up to 16 measurements of the following inputs:

  • SDI-12/RS485 (shared as is done in the Bubbler)
  • 5 Analog inputs:
  • 1. Two (2) single ended inputs (range 0-5V)
  • 2. Two (2) differential inputs (range +/-39mv, +/-312mV, +/-2.5V) 3. One (1) 4-20mA input
  • 2 digital inputs. They can be used for tipping bucket, frequency, and on/off inputs
  • internal temperature
  • Battery voltage

Options to average or accumulate any measurement.
Lightning protection (Gas Tube) on all external inputs.
User specified equation on any measurement .
User specified alarm detection on any measurement.
2 LED for verification/diagnostics.
Log capacity of 240K of data accessible via GPRS and direct connect
Switched Battery Output
Also operates as a standalone recorder without Telemetry
USB slave for serial connection to PC. THE USB PORT WILL NOT SUPPORT typical USB devices like memory sticks, modems, etc.
RealTime Clock operates with internal lifetime battery
1 Open collector digital output
Switched 12 volt output

Advanced Features

  • Equation processing & multiple level averaging
  • GUI Interface for intuitive programming (See LinkComm)
  • Command-line interface for operation without custom programs
  • Separate schedules for each measurement
  • Upgrade firmware via USB.
  • Supports SDI-12, Analog, 4-20ma input
  • Switched Power Output w/overload protection & Digital Output
  • Gas Tube Protection on Inputs
  • Max min or average computations on measurements
  • LED operational status feedback
  • WiFi access point (IEEE 802.11 b/g) with selectable Auto-Time-Out or Always-On modes

  • Periodic transmissions at user-set times with data in user-selectable format (pseudobinary B, C, SHEF & ASCII)
  • Supports primary/secondary stations via HSPA
  • Alarm transmissions as they are detected
  • Diagnostics track data amount sent & telemetry performance
  • Supports up to 2 outputs (1 digital & 1 switched battery) for remote commands
  • Optional message authentication for insuring a trusted source & for messages sent to SutronWIN via HSPAIncoming SMS transmissions if HSPA fails or in place of HSPA 
  • Extremely affordable
  • HSPA uses 3.5G cellular technology to provide higher data speeds compared to GPRS

  • Surface Water Level, Flow & Quality
  • Groundwater Level & Quality
  • Offshore X-Linking
  • Mining / Geotechnical
  • Weather X-Linking & Warning
  • Oceanic X-Linking & Warning
  • Oil & Gas Production
  • Any Low-Power, Remote Data Acquisition System

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