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    alpha-DO1000 Dissolved Oxygen Controller/Transmitter 線上型溶氧度控制傳輸器
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    		EUTECH-alpha-DO1000

    商品編號:YEUTECH-alpha-DO1000

    alpha-DO1000 Dissolved Oxygen Controller/Transmitter 線上型溶氧度控制傳輸器

    產品特色

    液晶螢幕同時顯示溶氧度, 及溫度值

    專為廢水廠所設計, 0.00...20.00 ppm

    具溫度, 鹽度, 壓力自動補償

    內建定時電極自清控制接點

    4-20mA可規劃類比輸出

     

    Product Features

    The Alpha DO 1000 controller/transmitter accepts low-range and general range probe for extensive measurement range of Dissolved Oxygen in ppm, mg/L or % saturation. Versatile controller/transmitter offers three Dissolved Oxygen control mode: limit control, proportional pulse length control and proportional pulse frequency control.

    :: Accepts low range probes (0 to 10 ppm) and general range probes (0.5 to 40 ppm)
       
    :: Allows one point or two point DO calibration. Meter displays electrode information after each successful calibration. Previous calibration data is retained in the event unsuccessful calibration
       
    :: Automatic salinity and pressure compensation after manual input for more accuracte readings
       
    :: Option of Auto or Manual Temperature Compensation. Three-wire system compensates for cable-length resistance errors
       
    :: Galvanically-isolated, scaleable 0/4 to 20 mA output for high-quality output on peripheral devices

    Applications

    General: Useful for monitoring temperature and control of DO in wastewater treatment and aquaculture applications. Use with valves, blowers or aerators to ensure proper system operation.

    Specifications

    Product Specification

    		 Description
    Dissolved Oxygen
    Range 0.00 to 20.00 mg/L ; 0.0 to 200.0 %
    Resolution 0.01 mg/L ; 0.10 %
    Accuracy ±1.5 % of full scale reading
    Temperature
    Range -9.9 to 125.0 ºC
    Resolution 0.1 ºC
    Accuracy ±0.5 ºC
    Sensor Pt100 ; 3 wire
    Compensation
    Temperature Compensation Auto/manual
    Salinity Compensation 0.0 to 50.0 ppt
    (manual setting and automatic correction)
    Pressure Compensation kPa/mmHg
    (manual setting and automatic correction)
    Set Point And Controller Functions
    Set Point 1 (SP1) /
    Set Point 2 (SP2)    		 0.00 to 20.00 mg/L or 0.0 to 200.0 %
    Switching DO Hysteresis 0.1 to 1.0 mg/L or 0 to 10.0 %
    Function (Switchable) P control (pulse length/pulse frequency);
    limit control
    Adjustable Period With Pulse Length Controller 0.5 to 20 sec
    Adjustable Period With Pulse Frequency Controller 60 to 120 pulse/min
    Pickup/Dropout Delay 0 to 2000 sec
    Contact Outputs 3 SPDT relays
    Switching Voltage/
    Current/Power    		 Max. 250 VAC / max. 3 A / max. 600 VA
    Alarm Functions
    Function (Switchable) Steady or fleet (pulse)
    Pickup Delay 0 to 2000 sec
    Switching Voltage/
    Current/Power     		Max. 250 VAC / max. 3 A / max. 600 VA
    Electrical Data And Connections
    Transmitter Function 0/4 to 20 mA scalable outputs for Dissolved Oxygen, galvanically isolated
    Hold Function Switch To freeze output current and deactivate control relays
    Load Max. 600 Ohm
    DO Input 2-pin terminal
    Connection Terminal 5-pole, 17-pole terminal, detachable blocks
    Display
    LCD 7 segments display with symbols for status information
    Power Supply
    Input 110 VAC
    (jumper selectable) ;
    48 to 62 Hz ; max. 7 VA
    (For TSDOCTP1001)    		 220 VAC
    (jumper selectable) ;
    48 to 62 Hz ; max. 7 VA
    (For TSDOCTP1002)
    Main Fuse Slow-blow 250 V / 100 mA
    Pollution Degree 2
    Transient Overvoltage Category II
    EMC Specifications
    Emitted Interference According to EN 50081-1
    Immunity To Interference According to EN 50082-1
    Environmental Conditions
    Operating Temperature Range -10 to 50 ºC
    Max. Relative Humidity 80 % up to 31 ºC decreasing linearly to 50 %
    at 40 ºC
    Mechanical Specifications
    Dimensions (WxHxD) 96 x 96 x 175 mm
    Weight 700 g (unit) / 800 g (packed)
    Ingress Protection IP54 (front panel)

    Order Information

    Order No.

    		Item
    TSDOCTP1001 Alpha DO 1000 panel-mount Dissolved Oxygen controller/transmitter with 110 VAC setting. Incl. terminal blocks, gasket, threaded rods, catch, etc.
    TSDOCTP1002 Alpha DO 1000 panel-mount Dissolved Oxygen controller/transmitter with 220 VAC setting. Incl. terminal blocks, gasket, threaded rods, catch, etc.
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