Good, Working Mettler Toledo TRB 8300 Turbidity Sensor Transmitter.
The Power Supply for the unit will be included.
DESCRIPTION OF UNIT
The Trb 8300 is a transmitter for high accuracy measurement and control.
It accepts input from METTLER TOLEDO InPro8000 fiber optic sensor series only.
A system consisting of the Trb8300 transmitter and an InPro8000 fiber optic sensors measures: • turbidity or • concentration of suspended (undissolved) particles
InPro8000 sensors are rapidly installed using fixed fiber optic cable or additional patch cords up to 170 m (520 ft) long with two SMA type connectors at both ends. Fiber optic sensors – type OFS12...I, ..N and ...H used with the previous generation FSC402/II instrument are fully compatible with Trb 8300. The measuring system can be used for applications in biotechnological, chemical and wastewater processes, such as for the measurement of undissolved (suspended) particles and turbidity. The transmitter has many user-friendly and safety features which include: - Manual, Process and Multipoint Calibration procedures - three retrievable, independently configurable Parameter Sets with remote access via digital inputs - full text menu guide in three languages - online help texts - menu password protection on two levels - four 0/4...20 mA outputs galvanically isolated from the measurement circuitry according to NAMUR NE43 guideline - 2 programmable limit setpoints, 1 alarm relay (SPDT type) - Wash contact (SPDT type) and HOLD input - RS232 interface for data transfer of configurations and software updating Turbidity and suspended particles measurements take advantage of the interaction of light and particles. The light source installed in the transmitter is a near infrared light emitting diode (NIR-LED) with a wavelength of 880 nm. The receiver consists of a silicon photodiode. The Trb 8300 determines the turbidity value 500 times per second ensuring optimum compensation of external light. The signal is measured over an average time of 100 milliseconds in order to ensure a good signal-to-noise ratio. To eliminate interference, additional zero point and reference signals are measured.
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