OxyGuard


  • OxyGuard Handy Polaris TGP Total Gas Meter Handheld Meter OxyGuard

    OxyGuard OxyGuard Handy Polaris TGP Total Gas Meter

    The OxyGuard Handy Polaris TGP (Total Gas Pressure) Meter is a hand-held gas pressure meter that doubles as a dissolved oxygen meter. It can operate in three display modes- as a standard Handy Polaris dissolved oxygen (DO) meter, as a TGP meter displaying percent saturation, or as a TGP meter displaying pressures as volume percentage values. The user can choose which value is shown on the display. DescriptionThe instrument also incorporates a data logger. Menu functions, along with an intuitive interface, make the Handy Polaris TGP/DO/Temperature meter easy to use for novice and experienced users alike. The OxyGuard Handy Polaris TGP/DO/Temperature Meter also includes a membrane kit (10 O-rings/10 membranes), 50 ml electrolyte, membrane installation tool, and cathode cleaning pad. Technical AdvantagesMeter The Polaris 2 TGP is designed for easy use and to give accurate here-and-now measurements of both the dissolved oxygen and the dissolved rest gases - i.e. the gases that can cause decompression sickness - “the bends” - in fish. This is achieved because the instrument measures all three pressures needed - the dissolved oxygen, the total dissolved gas and the atmospheric. Maintenance is easy - the DO measurement is made using the well-known OxyGuard Handy probe, and the TGP measurement tube sensor element can easily be exchanged if necessary. Probe The OxyGuard TGP probe can be directly connected to OxyGuard Commander, Convoy and Pacific systems. It can only be used with these systems. It does not need a separate transmitter or input unit, but communicates values directly. Only one field bus data cable connection is needed - the cable has cores for both data and the 24 V DC supply needed by the probe. The TGP is designed for easy use. The measurement tube is wound on a central bobbin that is held in place by the protector. If the tube becomes fouled you simply unscrew the protector, unplug the bobbin and tube and fit a replacement. Precise measurements are obtained by placing the TGP in the air and matching - or calibrating - the TGP against the barometric pressure sensor of the DO Meter or Pacific of the system. This means that a very accurate value of the difference between the gas pressure in the water and the gas pressure in the air can be obtained. The pressure measurements can also both be calibrated against the absolute value of the barometric pressure if this is known accurately. The TGP has the same diameter as a standard OxyGuard probe so that standard mounting devices can be used. Specifications Dimensions: Meter 98 mm diameter x 36 mm Probe: 58 mm x 110 mm + cable gland Cable Length: Standard 3 m. Other on request. Operating Conditions: Probe: -5 to +45°C, meter -20 to +60°C. Encapsulation (meter): Short-term immersion proof to 5m depth. Display: Graphical LCD display. Variable backlight. Parameters measured: Oxygen partial pressure, atmospheric pressure, total dissolved gas pressure, temperature at probe. Parameters displayed: DO in mg/l, % sat, % vol. TGP in % sat. Rest gas in % sat, % vol. Temperature in °C or °F. Measuring range, DO: 0-60.0 ppm (mg/l), 0-600% saturation and 0-60% vol. Oxygen Probe Type: Galvanic cell, self polarizing, self temperature compensating. DO measurement automatically compensated for temperature and barometric pressure. Manual salinity compensation between 0-59 ppt salinity. DO accuracy depends on calibration accuracy. Typically better than +/- 1% of measured value +/- 1 digit within the standard measuring range. DO measurement repeatability typically better than +/- 0.5% of measured value. Response Time (DO) 90% of end value in less than 20 seconds in water. Measuring range, pressures: to over 200% sat, 2 bar. Accuracy +/- 2% of value Measuring range, temp: -5 to +45°C. Accuracy +/- 0.2°C. Self-check of: Probe function, meter function, cable, battery. Accessories included: Storage pouch, DO probe membranes with O-rings and electrolyte, cathode cleaning pad, storage pouch.

    £1,694.40

  • OxyGuard Marlin Single Channel Meter  OxyGuard 24v DC

    OxyGuard OxyGuard Marlin Single Channel Meter

    Marlin is a single-channel measurement transmitter instrument explicitly designed for use in aquaculture. One of the critical advantages of Marlin is its water resistance, which means it can be used in various wet environments without fear of damage. You can order Marlin with the probe of your choice to meet your specific needs: Dissolved oxygen (electrochemical or optical) Carbon Dioxide (CO2) pH/Redox Total Gas Pressure (TGP) Temperature Salinity Ozone Any other probe with 4-20 mA input (e.g. Model 420) Compatibility: Marlin features a 4-20mA output and MODBUS/TCP for PLC/SCADA compatibility, making integrating your existing systems easy. It is also Cobália compatible, ensuring seamless communication with the Cobália digital management system. Whether running a commercial aquaculture operation or simply monitoring the water quality in your backyard pond, Marlin is the perfect tool! Download Brochure

    £824.40 - £910.80

  • Last stock! OxyGuard Total Gas Pressure TGP Probe Probe OxyGuard

    OxyGuard OxyGuard Total Gas Pressure TGP Probe

    The OxyGuard TGP probe measures Total dissolved Gas Pressure and is designed specifically for use with OxyGuard Commander or Pacific systems. It can be added to existing systems. It contains sensors for dissolved gas pressure and temperature.  The gases dissolved in water consist of oxygen and “other gases”. “Other gases” are mainly nitrogen. It is important to measure if the water is supersaturated in order to prevent the fish from getting gas bubble disease. The Commander or Pacific system to which the probe is connected uses a dissolved oxygen measurement made by a DO probe placed near the TGP probe for calculations and presents the degrees of saturation for the total gas, dissolved oxygen and for other gasses. F01 OxyGuard Total Gas Pressure probe

    £1,003.20

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