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Outline
The pH/ORP Analyzer(DWA-3000A Controller) has built-in micro processor and equipped the best function and specification for measuring pH/ORP in the industry. DWA-3000A Analyzer and Controller, with appropriate sensor assembly, is used to continuously measure pH or ORP parameters in wide range of applications such field as municipal water and waste water treatment, Chemical process industry, pulp and paper industries.
This compact case has built-in backlight graphical LCD, manual/auto calibration, pH temperature compensation, data save, Relay contact output(4 phases), trend analysis function, and RS-232C/DC MODEM interface function. And this product actualizes LOW-COST to make the customer’s satisfaction and faith.
The pH/ORP Analyzer(DWA-3000A Controller) includes Isolation function and all the circuit needs in 0~20, 0~24, 4~20mA Selection Output and Transmission to provide faithful data in any monitoring process and controlling place.
Function/Features
● Real Time TREND Analyzer Function
● Maximum 4-Relay contact - HH, H, L, LL
● Large Size of Graphical LCD & backlight
● RS-232C/DC Power Modem Interface Communication
● Isolated Output 0~20, 0~24, 4~20mA Selection DC Output
● Water-jet, Air-jet, Ultrasonic Wave, and Medicinal fluid Cleaning
of relay contact output
Specification
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Classification
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Product Specification
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Product Name
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Online pH/ORP Analyzer
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Model Name
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DWA-3000A(pH/ORP)
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Measurement Range
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pH[0~14pH], Antimony[2~12pH], ORP[-1000mV ~ 1000mV] or Order
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Power
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AC 110V/220V 50/60Hz ±10% 3VA
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Display
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Measurement Indication, Message Icon, Real time Trend Analysis Graph
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Keypad
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Membrane Keypad 8 Keys
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Temperature Range
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Temperature : -25℃ ~ 70℃
Relative Humidity : Max. 90%(Non-Condensing)
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Accuracy
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±1 % of Full Scale
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Repeatability Reproducibility
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±1 % of Full Scale
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Response
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10sec (90% Saturation)
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Relay Contact Output
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High-High, High, Low, Low-Low(4 Output)
Water-jet, Air-jet, Ultrasonic Wave, Medicinal fluid Cleaning
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Signal Output
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DC : Isolated 0~20, 0~24, 4~20mA_Option.
Digital Interface : Isolated RS232C/DC POWER MODEM_Option.
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Temperature Compensation
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Auto/Manual Temperature Compensation, PT(100Ω,1000Ω), NTC10K
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Measurement Method
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pH - Combination Glass Electrode, Antimony electrode
ORP - Combination Metal Electrode
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Condition
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Conductivity - Min. over 50㎲/cm
Measurement - Submersion(Min. over 30cm/sec)
Flow - Through(Min. 1~3ℓ)
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Sensor Calibration
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Auto Buffering Recognition Calibration & Manual Calibration
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Enclosure Material
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ABS
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Enclosure Size
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240(W) X 180(H) X 115(D)
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Enclosure Structure
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IP65, Waterproof, Dustproof, Outdoor installation structure
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Enclosure Installation
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2″ Pipe Mounting, Panel Wall Mounting
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Weight
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About 1.5Kg
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