Underwater temperature recorder with real-time clock reference

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Starmon mini - underwater temperature recorder

Reliable and durable for demanding environments

Overview

Key features

  • Self-contained temperature recorder designed for use in oceans, rivers and lakes
  • Robust and non-corrosive housing, plastic or titanium
  • Deep ocean applications in a titanium housing (11 km survival)
  • Compact size (25 mm x 130 mm)
  • Temperature accuracy better than +/-0.025°C
  • Long battery life of 10 years (replaceable battery)

Description

Starmon mini is an underwater temperature recorder designed to withstand harsh environments.  Starmon mini measures and records temperature and stores the data into its internal memory with a real-time clock reference for each measurement. Starmon mini submersible temperature recorder is known for its high accuracy, reliability and durability. Each recorder is delivered with a calibration certificate.

By unscrewing the end cap of the housing a cable plug becomes accessible. The Communication Cable connects directly from recorder to a PC computer. In addition to the cable the SeaStar software is used. In SeaStar the user sets the start time, start date and sampling interval before starting the recorder. After the recorder has been recovered, Starmon mini is connected to a PC and the recorded data is downloaded into the SeaStar software. Results are displayed both in graphic and tabular form.

A set of PC communication cable and SeaStar software needs to be purchased with the first order. Starmon mini has a non-corrosive and robust plastic housing.  For more extreme pressures/depths or higher temperatures, the Starmon mini is available in titanium housing.  A stainless steel protective housing for extra protection is also available.  For more information about accessories please click here.

Features on Request

Star-Oddi offers Starmon mini with temperature calibration outside standard range, for high temperature measurements up to 90°C. The hi-temp recorder is supplied in titanium housing.  An option for the housing is to have a 1/2" thread to screw on pipelines.  Please contact Star-Oddi with your requirements.

Examples of Application

Starmon mini is a reliable and durable temperature logger for various researches in oceans, rivers and lakes. The logger can be easily attached to moorings, deployment lines, buoys and nets. Examples of fields where Starmon mini temperature recorder is used:

  • Oceanography
  • Limnology
  • Aquaculture
  • Ecology
  • Hydrology
  • Marine Biology
  • Fisheries research
  • Geothermal and boreholes
  • Oil and gas projects
  • Any environment where temperature measurements are required

Technical Specifications

SensorsTemperature
Size (diameter x length)25mm x 130mm
Housing materialPlastic or Titanium
Weight (in air/in water)Plastic housing: 80g
Titanium housing: 170g
Memory typeNon-volatile EEPROM
Memory capacity262,000 measurements (standard)
Memory extension option393,750 measurements
or 524,250 measurements
Memory managementCustom programming
Temperature resolution0.001°C (0.0018°F)
Temperature accuracy+/-0.025°C (0.045°F)
Temperature range -2°C to +40°C (28°F to 104°F)
Outside ranges available upon request
Temperature response timePlastic: Time constant (67%) is 18 sec. and final value reached in 3 min.

Titanium: Time constant (67%) is 6 sec. and final value reached in 1 min.
Data retention25 years
ClockReal time clock
Accuracy +/-1 min/month
Sampling intervalFrom 1 second up to 90 hours
Communications9 pin RS-232C standard serial interface or USB
Battery life10 years*
* For a sampling interval of 10 minutes.
**For a 40°C (104°F) temperature step response in stirred liquid
Specifications may change without notice.

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