Hatchery International

InWater TGP tracker

August 18, 2022  By Hatchery International staff

The InWater Technologies’ tracker with TGP probe is a handheld, portable device provides reliable and accurate measurements of total dissolved gas pressure (TDGP or TGP; mmHg or percentage saturation), ΔP, barometric pressure (mmHg) and temperature (ºC).

The tracker is used for spot checks or to data log at adjustable intervals. A new ergonomic design allows for single handed operation of the tracker while deploying the probe with the other hand.

Other features include:

  • Handheld meter dimensions
    Length: 16 centimetres (5.1 inches)
    Width: 8.4 cm (3.3 in)
    Height: 2.8 cm (1.1 in)
  • Probe weight
    0.45 kilograms (1.0 lbs) 
  • Handheld meter weight
    0.18 kg (0.4 lbs) 
  • Temperature range
    Storage / Operating: -5 °C to +60 °C 
  • Response time
    Typical: five minutes (90 per cent) 
  • Power
    2000 mAh Li-ion Polymer battery 
  • Battery runtime
    Up to 8 hours 
  • Connector – Probe
    4-pin male M8, IP-67 
  • Connector – USB
    4-pin female M8, IP-67 
  • Probe Cable
    5 m (16 ft), 4 conductor, thermoplastic elastomer jacket 
  • Charger cable
    0.9 m (3 ft) USB cable 
  • Display
    Colour 6.1 cm (2.4”) LCD graphic display 
  • Datalogging
    Manual or continuous logging (11,000 records)



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