■ Microcomputer ammonia nitrogen transmitter.
■ An outdoor water-proof and dust-proof design is fit for installation on wall surface, plate surface and in round tubes.
■ A large LCD screen which indicates the operation status and special symbols.
■ An automatic and manual back-light setting function with a back-light sensor.
■ Provided with an automatic contact cleaning device, adjustable cleaning interval, air surface cleaning device (optional) or ultrasonic cleaning device (optional).
■ Automatic compensation, manual/automatic pH, temperature, manual/automatic potassium ion compensation.
■ Enhance safety protection by a design which requires a password and key combination to enter settings and the calibration mode.
■ RS-485 interface output, standard MODBUS communication protocol, can be directly connected to digital system.
■ Two sets of 0/4-20MA current outputs can be programmed to correspond to ppm/PH/Temp settings.
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