dissolved oxygen sensors and transmitters for water quality monitoring and control   see pricing

PDF files -- downloadable brochures and price lists in PDF format
STs6020C -- isolated series 2-wire, 4-20 ma dissolved oxygen transmitter
STs6020TC -- isolated 2-wire, 4-20 ma dissolved oxygen transmitter with an additional, temperature output channel
STs6020B -- 0.00 - 2.00 vdc output, self-powered with internal AA battery
STs6020V -- 0.00 - 2.00 vdc output, powered via an external source such as a 12 volt battery

 
STs series -- dsecription of submersible transmitters and cable assemblies
pHiKEC^TM system -- demonstrates cable and electrode replacement
multi-parameter -- STs units can be configured in combination with other parameters and/or redundantly for critical arrays.

PDF files click on the link or the picture to download the brochure or price list

STs6020	dual transmitter		price list	general brochure
approx 110kb	95kb		84kb	105kb

The STs6020 is an isolated, 2-wire, 4-20 ma transmitter with an easily replaceable cable assembly and dissolved oxygen sensor.  Typical input range of 0-20 mg/l (ppm).  The transmitter is temperature compensated and the replaceable galvanic dissolved oxygen sensor will typically last eighteen months and requires no membrane replacement.  The transmitter and cable are fully submersible to 200 feet and it is constructed of robust 316SS and PVDF.  The transmitter comes standard with a 10 meter (33 feet) cable included, but, optional lengths are available up to 300 meters (1000 feet).  A non-isolated version is also available, denoted as the STs6020N. 
 
Typical prices range from $632.00 to $890.00.  see pricing
 

The STs6020T is the same as the submersible STs6020 mentioned above, but has a completely independent, isolated 2-wire, 4-20 ma transmitter that linearly outputs temperature in the same package (0-50 degrees Celsius).  Therefore, the STs6020T yields both dissolved oxygen and temperature outputs independently, and concurrently, on different channels.  A non-isolated version is also available, denoted as the STs6020TN.
 
Typical prices range from $792.00 to $1090.00.  see pricing
 

The STs6020B is a non-isolated, battery powered unit with a differential input amplifier and a 0.40 to 2.00 vdc output that measures dissolved oxygen.  Typical input range of 0-20 mg/l (ppm).  Temperature compensation is standard.  The transmitter incorporates a readily available, replaceable battery that will typically last three years.  This transmitter works well with DVM's for spot checking, or, battery operated data loggers that must be left unattended for extended periods of time. 

Optional outputs are available (0 - 1.00 vdc, 0 -- 2.50 vdc, etc., just ask!). 

Typical prices range from $632.00 to $890.00.  see pricing

The STs6020V is a non-isolated, micro-power transmitter (less than 50 ua typical) that can be externally powered via a battery or voltage source of 4 to 16 volts dc.  The transmitter yields a 0.40 to 2.00 vdc output proportional to dissolved oxygen.  Typical input range of 0-20 mg/l (ppm).  Temperature compensation is standard.  The transmitter is ideal for data logging, RTU, or solar-powered applications. 

Optional outputs are available (0 - 1.00 vdc, 0 -- 2.50 vdc, etc., just ask!). 

Typical prices range from $632.00 to $890.00.  see pricing

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