pH sensors and transmitters for water quality monitoring and control   see pricing

PDF files -- downloadable brochures and price lists in PDF format
STs1000 -- isolated series 2-wire, 4-20 ma pH transmitter
STs1000T -- isolated 2-wire, 4-20 ma pH transmitter with an additional, temperature output channel
STs1000B -- 0.40 - 2.00 vdc output, self-powered with internal AA battery
STs1000V -- 0.40 - 2.00 vdc output, powered via an external source such as a 12 volt battery

STs series -- description 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

STs1000	dual transmitter		price list	general brochure
approx 110kb	95kb		84kb	105kb

The STs1000 is an isolated, 2-wire, 4-20 ma transmitter with an easily replaceable cable assembly and pH sensor.  The pH sensor incorporates a double junction electrode combined with a differential input amplifier -- yielding a long life, and, accurate, noise-free signal transmission.  Temperature compensation is standard.  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 STs1000N. 

Typical prices range from $504.00 to $730.00.  see pricing
 

The STs1000T is the same as the submersible STs1000 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 STs1000T yields both pH and temperature outputs independently, and concurrently, on different channels.  A non-isolated version is also available, denoted as the STs1000TN. 

Typical prices range from $664.00 to $930.00.  see pricing

The STs1000B is a non-isolated, battery powered unit with a differential input amplifier and a 0.00 to 2.00 vdc output that measures pH.  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 $584.00 to $730.00.  see pricing

The STs1000V 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 pH.  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 $584.00 to $730.00.  see pricing

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