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  OxyGuard OxyGuard Temperature Probe

  OxyGuard temperature probes are robust, accurate and easy to use. They are filled with a special compound that protects against moisture. As standard the probes are fitted with 7 m cable, but they can be supplied with other lengths on request. The sensor in both types of probe consists of a stainless steel cylinder containing the thermistor or Pt100 element. This sensor tip is fitted to a black plastic housing. Standard types of housing are shown overleaf, but others can be supplied on request, e.g. to fit other pipe threads or fittings.

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  £195.85 - £325.16

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  OxyGuard OxyGuard Model 420 DO probe

  The Model 420 is a membrane covered galvanic oxygen probe with built-in two-wire 4-20 mA transmitter. The probe is connected to a DC supply and draws a current of between 4 and 20 mA corresponding to the oxygen concentration. There are only two wires to connect, and there is no limit to cable length. The output signal is galvanically isolated from the built-in electronics and the process fluid. Interference between the Model 420 and other equipment can never occur! The OxyGuard Model 420 can therefore be connected directly to a wide range of equipment that can accept a 4-20 mA input, such as alarms, indicators, controllers, recorders, PLC’s, PC systems with A/D input etc. The Model 420 can also be used to measure gaseous oxygen concentration. D033 OxyGuard Model 420 DO Probe for 4-20mA

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  £774.00 - £842.74

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  OxyGuard OxyGuard Salinity Probe for 4-20mA

  The OxyGuard Salinity Probe is specially designed for aquaculture use. Factory calibration and automatic temperature compensation make it very easy to use. It is found in two versions. One is a 3-wire 4-20 mA sensor – connect it to 24 VDC and the output varies between 4 and 20 mA according to the salinity. The other has data bus connection for use with OxyGuard Pacific. The probe is designed to be as trouble-free as possible, with features specially suited for aquacultural use. Inductive technology is used so that you don’t have to worry about deposits on the surface of the probe – all you have to do is ensure that the hole in the probe is open and relatively clean. The probe measures salinity according to the internationally agreed PSS-78 scale (Practical Salinity Scale 78).

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  £925.09

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  OxyGuard OxyGuard TGP Probe

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

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  £1,007.39

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  OxyGuard OxyGuard CO2 Probe for Pacific and Marlin

  The OxyGuard CO2 probe is a reliable and easy to use probe that measures the free dissolved CO2 directly and is not affected by carbonates or other dissolved substances. OxyGuard CO2 Probe Brochure

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  £1,155.08

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  YSI YSI ProDIGITAL ODO/CT Cable Assembly (10 metre)

  The ODO/CT, probe and cable assembly features integral (i.e., built-in) optical dissolved oxygen, conductivity, and temperature sensors and is available in lengths up to 100 meters. It’s perfect for measuring DO in the following applications – estuary, wetland, coastal, aquaculture, or any application requiring accurate, real-time salinity-compensated DO measurements. The ODO/CT assembly is compatible with the ProSolo, ProSwap, and ProDSS handhelds (sold separately). Pre-assembled ProSolo kits are available The ODO/CT has all the advantages of optical dissolved oxygen technology – higher accuracy, less maintenance, no stirring required for accurate measurements, holds calibration longer than membrane covered sensors and is not susceptible to interferences from other gases. Instrument setup is quick and easy with the integral sensors, which eliminates the need to install sensors before use. The digital technology of the ProDSS allows the handheld to automatically recognize connected sensors, so there is no need to tell the instrument what is connected.  The ProDIGITAL ODO/CT probe and cable assembly features include: Integral (i.e. built-in) optical DO, conductivity, and temperature sensors that are auto-recognized by Pro Series handhelds, reducing instrument set-up time Automatically compensates DO mg/L measurements for salinity; no need to enter salinity compensation values Rugged Optical DO sensor cap with a 2-year warranty is pre-installed on new assemblies Fits in a 1 inch well

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  £1,971.60

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  OxyGuard OxyGuard CO2 Probe with 7 metre Cable

  The OxyGuard CO2 probe is a reliable and easy to use probe that measures the free dissolved CO2 directly and is not affected by carbonates or other dissolved substances. OxyGuard CO2 Probe Brochure

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  £1,155.08

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  OxyGuard OxyGuard Type 3 Purity Probe 7mtr (High Range)

  The OxyGuard Standard Probe – the probe that revolutionised oxygen monitoring. The probe that you can purchase today is even better than the probe introduced in 1987 that helped revolutionize fish farming and make modern aquaculture the industry it is today.Today’s OxyGuard Standard Probe is hermetically sealed. If needed you can open it to replace the membrane and renovate it completely, but this should not be needed for many years. The measurement stability of the OxyGuard Standard Probe is also very high indeed. A probe measuring in air will maintain accuracy even when subjected to a sudden 20 degree celcius temperature change. The sensitivity of a probe measuring in clean air at room temperature will remain the same for at least 3 years. This proves that the OxyGuard probe is not, like some other probes, affected by “ageing”. OxyGuard believe that the OxyGuard Standard probe is more accurate, needs less attention and maintenance and has a lower total cost of ownership than any other oxygen or dissolved oxygen probe offered to the aquaculture industry today. *Accessories are shipped with every OxyGuard probe. You will thus be able to change the membrane if you manage to damage it during installation. Otherwise the accessories can be enough for up to 5 years’ use.

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  £563.29

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  YSI YSI 559 DO Probe Replacement Kit

  Easy user-replaceable sensor allows for quick sensor replacements, if needed. Quickly switch DO sensors without having to send in the instrument for repair or replacing the entire cable assembly. One-year sensor warranty. Uses convenient screw-on cap membranes making membrane changes simple and easy.

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  £168.00

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  OxyGuard OxyGuard Salinity Probe for Pacific and Marlin

  The OxyGuard Salinity Probe is specially designed for aquaculture use. Factory calibration and automatic temperature compensation make it very easy to use. It is found in two versions. One is a 3-wire 4-20 mA sensor – connect it to 24 VDC and the output varies between 4 and 20 mA according to the salinity. The other has data bus connection for use with OxyGuard Pacific. The probe is designed to be as trouble-free as possible, with features specially suited for aquacultural use. Inductive technology is used so that you don’t have to worry about deposits on the surface of the probe – all you have to do is ensure that the hole in the probe is open and relatively clean. The probe measures salinity according to the internationally agreed PSS-78 scale (Practical Salinity Scale 78).

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  £925.09

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  OxyGuard OxyGuard DO Probe with built in PT100 Temperature Sensor

  The OxyGuard Standard Probe – the probe that revolutionised oxygen monitoring. The probe that you can purchase today is even better than the probe introduced in 1987 that helped revolutionize fish farming and make modern aquaculture the industry it is today.Today’s OxyGuard Standard Probe is hermetically sealed. If needed you can open it to replace the membrane and renovate it completely, but this should not be needed for many years. The measurement stability of the OxyGuard Standard Probe is also very high indeed. A probe measuring in air will maintain accuracy even when subjected to a sudden 20 degree celcius temperature change. The sensitivity of a probe measuring in clean air at room temperature will remain the same for at least 3 years. This proves that the OxyGuard probe is not, like some other probes, affected by “ageing”. OxyGuard believe that the OxyGuard Standard probe is more accurate, needs less attention and maintenance and has a lower total cost of ownership than any other oxygen or dissolved oxygen probe offered to the aquaculture industry today. *Accessories are shipped with every OxyGuard probe. You will thus be able to change the membrane if you manage to damage it during installation. Otherwise the accessories can be enough for up to 5 years’ use.

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  £691.82

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  OxyGuard OxyGuard Standard DO Probe (2 Wire)

  The OxyGuard Standard Probe – the probe that revolutionised oxygen monitoring. The probe that you can purchase today is even better than the probe introduced in 1987 that helped revolutionize fish farming and make modern aquaculture the industry it is today.Today’s OxyGuard Standard Probe is hermetically sealed. If needed you can open it to replace the membrane and renovate it completely, but this should not be needed for many years. The measurement stability of the OxyGuard Standard Probe is also very high indeed. A probe measuring in air will maintain accuracy even when subjected to a sudden 20 degree celcius temperature change. The sensitivity of a probe measuring in clean air at room temperature will remain the same for at least 3 years. This proves that the OxyGuard probe is not, like some other probes, affected by “ageing”. OxyGuard believe that the OxyGuard Standard probe is more accurate, needs less attention and maintenance and has a lower total cost of ownership than any other oxygen or dissolved oxygen probe offered to the aquaculture industry today. *Accessories are shipped with every OxyGuard probe. You will thus be able to change the membrane if you manage to damage it during installation. Otherwise the accessories can be enough for up to 5 years’ use.

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  £481.20 - £711.78

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