Hand held instruments temperature conductivity salinity dissolved oxygen battery powered with RS232 interface


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Dissolved Oxygen,
Meters and Probes

Dissolved Oxygen is a measure of the free oxygen dissolved in water. It is an indicator of water quality. The amount of oxygen that can be held by the water depends on the water temperature, salinity, and pressure. Gas solubility increases with decreasing temperature (colder water holds more oxygen). Gas solubility increases with decreasing salinity (freshwater holds more oxygen than does saltwater). Both the partial pressure and the degree of saturation of oxygen will change with altitude . Finally, gas solubility decreases as pressure decreases. Thus, the amount of oxygen absorbed in water decreases as altitude increases because of the decrease in relative pressure.

	For DO water quality monitors also see the conductivity section here

	High Resolution Dissolved Oxygen Meter Multi purpose electro-chemisty meter analogue recorder, data logging, full range, RS232, Windows software, RS232, rechargeable batteries. Galvanic probe.

	Dissolved Oxygen / pH / temperature / mV Graphic Display, data logging, GLP reporting, rechargeable batteries. galvanic probe.


	Dissolved Oxygen Jenco handheld meter, inexpensive kits, RS232 included.


	Multi Purpose Meter Single meter for Conductivity, salinity, pH, mV, DO and temperature

	Electrochemistry Controller Monitor controller for Conductivity, pH, mV, DO and temperature

	Model CS C863 High resolution conductivity / resistivity / pH / Ion, meter Dissolved Oxygen Multimeter 2 pH/mV/Ion channels / differential pH 1 conductivity 1 Dissolved Oxygen 1 temperature Ideal for low conductivity applications such as de-ionized water Data logging USB Analog outputs
	Model CS C862 High resolution conductivity / resistivity / pH /mV meter Dissolved Oxygen Multimeter 2 pH/mV/ channels / differential pH 1 conductivity 1 Dissolved Oxygen 1 temperature Data logging USB Analog outputs
	8 channel data logger for DO/pH/mV/Ions/temp.

	CS D230 Electrochemistry data logger up to 28 channels, DO, conductivity, pH
Stainless steel sterilizable galvanic DO probe
Delrin Lab and Inline Dissolved Oxygen Electrodes

Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779