Electro-Chemical Devices Model T80 pH transmitter

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The Model T80 pH transmitter from Electro-Chemical Devices is one part of the Model T80 Universal Transmitter product range. The T80 transmitter range also includes the capability for measuring ORP, dissolved oxygen, conductivity and resistivity, as well as being an ion selective transmitter. The transmitters are available as single- or dual-channel instruments, and digitally communicate with any ECD S80 digital sensor, automatically configuring the transmitter’s menus and display screens to the measured parameter.

The Model T80 pH transmitter is available as a loop-powered (single channel only), a 24 VDC or a 100/240 VAC powered transmitter. All versions are available with the optional HART output. The line powered instruments have one 4–20 mA output per channel and also offer Modbus RTU. Available options include HART communication and an alarm relay package. The three relays can be configured as alarm (set point) relays, timer activated relays or fault relays.

The Model T80 pH Transmitter features a large, easily viewed LCD display. Loop-powered instruments have black lettering on a grey background, while 100–240 VAC and 24 VDC powered instruments have blue lettering on a white background when the LED backlight is on. The Model T80 display is easily switched between the single- and dual-channel display modes.

The Model T80 has a simple and intuitive menu structure. Navigation through the various display and information screens is accomplished using membrane switch keys tied to a soft key display detailing the membrane switch function.