HL7 Multiprobes


HL7 1HL7 2

The new HL7® multiparameter sonde maximizes deployment life, minimizes maintenance, and provides unmatched ease of use producing comprehensive and valuable data sets supported by metadata.

Practical and effective handling of instrument for field use

  • Quick and simple battery cartridge removable
  • Bail design aids instrument handling, transport and secure deployment options
  • Color coded status indicators to know the battery power source is working properly
  • USB for quick data transfer to rugged tablets and field laptop

Durable construction that delivers all day every day operation

  • Keyed cable connector design ensures alignment and connectivity
  • Recessed bulkhead connectors protect pins in the event of impacts
  • Independently sealed built-in battery compartment
  • Kevlar reinforced deployment cable for demanding continued usage
  • External power option

Designed to withstand long term continuous use and integration with data loggers and data acquisition systems

  • User configurable communication modules for simplified integration
  • SDI-12 and RS485 Modbus for reliable data transfer
  • Typical battery life capable of greater than 90 days deployment 
  • Field proven sensor measurement technology for data continuity and serviceability
  • HYDROLAB Operating System helps to make better decisions, minimize errors, and increases efficiency in the lab and on the deployment site.
  • Quickly view the current status of the instrument and ensure its working properly
  • Plot current and historic data with multiple graphics and table formats options
  • Maximize uptime with streamlined calibration tasks

Available Sensors:

  • Temperature, Conductivity, pH, ORP,  LDO (Luminescent Dissolved Oxygen), Depth, Turbidity, Blue Green Algae, Rhodamine and Chlorophyll A.


  •  Sensor Ports: 9 sensor ports available
  • Dimensions: Diameter: 8.9 cm (3.5 in.) without rubber bumpers; 9.8 cm (3.85 in.) with rubber bumpers
  • Length: 66.4 cm (26.1 in.)
  • Weights: 4.5 kg (10 lb) with four Dcell batteries, storage/calibration cup with no liquid
  • Power Requirements: 6...24 VDC (12 VDC nominal) applied to the communications module, 12 VDC:2.0 W average, 24 W peak
  • Battery Life*: 90 days
  • Operating Temperature: -5 to 50 °C (23 to 122 °F), nonfreezing
  • Storage Temperature: 1 to 50 °C (34 to 122 °F)
  • Depth: 200 m (656 ft) maximum
  • Data Memory: 4 GB
  • Tensile strength:  (Maximum) Mooring cap: 68 kg (150 lb); deployment cable: 227 kg (500 lb)
  • Communications: Communications module: USB, SDI12,RS232 Modbus, RS485 Modbus and RS232 TTY
  • Sampling Rate:  1 Hz minimum, (once per second)

          © Hydrotech ZS Consulting 2016