Pro-Oceanus Systems Device / Instrument
Mini TDGP
Total dissolved gas pressure sensor for water, oil and contaminated mixtures that is unaffected by increasing hydrostatic pressure.
Description
The Mini TDGP measures total dissolved gas pressure in liquids. Unlike other total gas pressure probes, it is not affected by increasing hydrostatic pressure. It combines an oil-resistant, biofilm-resistant semi-permeable membrane with a compact pressure sensor, and needs only periodic membrane cleaning and calibration checks.
Key features
- TDGP ranges 0-2, 0-5 and 0-14 bar absolute; other ranges available
- Accuracy ±0.1%, temperature compensated from -10 to 50º C; resolution 0.002% of full scale
- Depth rating 0-600 m (plastic), up to 6000 m (titanium)
- Low power: 0.06 W (5 mA @ 12 VDC)
- RS-232 ASCII output, 2-second sample rate, 2GB internal logger
Applications
Gas supersaturation monitoring in aquaculture and dam spillways, water wells during pumping, groundwater sample correction and transformer fluids.
Specifications
| TDGP range | 0-2, 0-5, 0-14 bar Absolute |
|---|---|
| Resolution | 0.002% of Full Scale |
| Accuracy | ± 0.1% (Temperature compensated from -10 to 50º C) |
| Depth rating | 0 - 600 m (Plastic); Up to 6000 m (Titanium) |
| 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 |
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