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OxyGuard Portable Dissolved CO2 Analyser with Data Logger

$4,250.00

The OxyGuard CO2 Portable is a reliable and easy to use instrument that measures the free dissolved carbon dioxide concentration directly in the water. The CO2 concentration is shown on the display, and there is an analogue output. A version with built-in data logger is available.

The OxyGuard CO2 measures the free dissolved CO2 directly and is not affected by carbonates or other dissolved substances. It is the free dissolved CO2 – in other words the CO2 gas partial pressure – that affects the fish. The OxyGuard CO2 thus gives simple, continuous and direct measurements of the amount of carbon dioxide in the water.

The analyser is easy to calibrate using the front panel “slope” and “zero” adjustments – after which you just put the probe in the water and measure. There is a salinity adjustment. Calibration intervals are long and the added bonus is the OxyGuard CO2 does NOT need regular maintenance.


SPECIFICATIONS
  • Size = Probe is 40 mm diameter x 140 mm. Cable length is 3 metres.  Meter is 300 x 215 x 83 mm. Calibration beaker 65 mm diameter x 260 mm.
  • Weight = approximately 6 kg including charger, calibration fluid, calibration conditioner, calibration beaker and dosing syringe.
  • Supply = 100 to 240VAC (to charger)
  • Range = 0 - 50 mg/l dissolved carbon dioxide. Temperature compensated range 3 - 35 C.
  • Output = Analogue signal 0-1 VDC.
  • Operating conditions = Electronics -10 to + 60 C, splashproof.
  • Accuracy = Depends on calibration. Practical accuracy up to +/- 1 mg/l.
  • Flow requirements = The instrument does not use carbon dioxide for its measurement, but a certain flow is necessary to ensure that the sensing element of the probe is in equilibrium with the surrounding water.

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