Mini TDGP

Accurate and reliable total dissolved gas pressure sensor for all conditions and applications.

Mini TDGP

Accurate and reliable total dissolved gas pressure sensor for all conditions and applications.
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Features

  • High accuracy
  • Low power consumption
  • Easy integration
  • Long-term stability
  • Multiple data output formats available
  • Lightweight
  • Internal data logger and controller with 2GB flash memory

TDGP Sensor Applications

  • Monitoring gas supersaturation levels in water
  • Monitoring gas pressure in water wells during pumping
  • Aquaculture
  • Data correction for water samples collected for groundwater and wellwater monitoring
  • Monitoring TDGP in transformer fluids

Mini TDGP Submersible Sensor

The Mini TDGP measures the total dissolved gas pressure in liquids. It provides accurate TDGP data and is designed for use in aquaculture, dam spillways, groundwater monitoring, and industrial applications.

Unlike other total gas pressure probes, the Mini TDGP is not affected by increasing hydrostatic pressure. The sensor’s semi-permeable membrane is also biofilm resistant.

The rugged Mini TDGP sensor is designed for use in water, oil, and contaminated mixtures. The probe combines an oil resistant membrane with a compact pressure sensor that provides quality TDGP data. The Mini TDGP sensor can be used for long term deployments with simple, stable and accurate results.

With periodic membrane cleaning and calibration checks, the Mini TDGP requires minimal maintenance.

PRODUCT SPECIFICATIONS

Sensor Performance
TDGP Range 0-2 bar Absolute
0-5 bar Absolute
0-14 bar Absolute
*other ranges available
Resolution 0.002% of Full Scale
Accuracy ± 0.1% (Temperature compensated from -10 to 50º C)
Equilibration rate (t63) Dependent on gas composition
Physical
Length 28 cm (11 in)
Diameter 5.3 cm (2.1 in)
Weight Air 0.53 kg (1.2 lbs)
Water: -0.06 kg (-0.1 lbs)
Housing Material Acetal Plastic / Titanium
Depth Rating 0 - 600 m (Plastic)
Up to 6000 m (Titanium)
Water Temperature -2º to 40º C
Electrical
Input voltage

7-24 VDC

Power consumption

0.06 W (5 mA @ 12 VDC)

Data output

digital RS-232, ASCII format

Sample Rate

2 seconds

OPTIONAL ACCESSORIES

Pigtail Cables with Locking Sleeves
5, 10, 25, 50 meters, or longer

Water-Pumped Head
Reduces biofouling and improves response rate

External Battery Pack
19, 76 or 134 Amp-hour capacity

Titanium Housings
Rated to 6000 m depth

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