



♧ Features 
● Process production lines of the Continuous Monitering. 				
● Wall or panel mounted housing
● Direct access for manual contact control						
● Trustworthy oxygen control
● Automatic temperature, salt, pressure compensation.				
● Easy operation by front keys
● Automatic cleaning function (with Chemoclean) triggered 
by alarm or limit switch.
♧ Applications 
● A wide range of application in ;							
● Chemical & petrochemical process
● Food & drug process controls							
● O2 control in the aeration basin
● Surface water monitoring								
● Waste Water treatment
♧ Technical Specifications 
1. Transmitter 
● Measuring Principle Polarography Membrane Sensor				
● Ranges 0.00 ~ 15.00 mg/l, 0.00 ~20.00 mg/l, ppm, % Saturation Note) 
Other ranges are available on request.
● Accuracy ±0.1% of Full Scale Span						
● Repeatability 0.01mg/l(ppm) of Full Scale
● Response Time 120sec (90% Saturation)					
● Operating Termperature -30~80°C
● Temperature Compensated 0~50°C (Auto or Manual Compensated)		
● Relative Humidity 0 to 95%, None-Condensing
● Analog Output 4-20 mA							
● Communication output RS232C (OPTION)
● Alarm Contact High, Low, Clean 250VAC 0.5A SPST Note) 
Air,Water and Chemical Clean Self-priming and apply pressure.		
● Load Resistance 750ohm Max. Load
● Power Voltage AC110 ~ 220V 50/60Hz ±10%, approx. 3Watt
♧ Model specifications
1. CUBE-DO 1000
• Display : 3.5 inch Graphic LCD
• Output 
: 1 Chanel Isolated 4 ~ 20m ADC / DO Process Value Output
• Materials : Glass Fiber Nylon 
• Enclosure Rating : NEMA 4X
• Dimension : 96x96x155
• Install : Panel Mount
2. CUBE-DO 2000
• Display : 5.3 inch Touch Screen Panel
• Output 
: 2 Chanel Isolated 4 ~ 20m ADC / DO, Temp' Process Value Output
• Materials : Glass Fiber Nylon 
• Enclosure Rating : NEMA 4X / IP 65
• Dimension : 144X144X185
• Install : Panel or Wall / Stanchion Mount
Sensor 
● Model CUBE-DOS
● Measuring Range 0 ~ 15.0 / 0 ~20.0 mg/l(ppm)
● Measuring Principle Polarographic Electrode Method
● Operation Pressure 0.00 ~ 2.0kg/cm2
● Accuracy ±0.1% of Full Scale Span
● Response Time 120sec (90% Saturation)
● Temperature Sensor Pt1000 ohm
● Operating Termperature 0~55°C
● Cleaning System Built in Air(Water) Nozzle
● Standard Cable 5M *Option User ordring Spec
• Waterproof (ip66) housing
• Auto power off function datalog up to 100 points
 
• Low battery alarm baclit custom LCD display
• Rechargeable battery 
• Certificated CE mark GD mark , ISO 9001
• Short response time and easy-to-use using 
high sensitive polarograpich type electrode internal diagnosis 
for normal operation check B1-directional RS232C allows remote 
operation via Pc Simultaneously displays DO (or 02/air/p02) temp 
and time automatic temp and barometric pressure compensation.
♧ Specification 
DO 
• Range : 0.00 ~ 19.99mg / ℓ
• Resolution : 0.1 / 0.01
• Relative Accuracy : ± 0.5%
O2 
• Range : 0.0 ~ 60.0%
• Resolution : 0.1%
• Relative Accuracy : ± 1 digit 
Air Saturation  (%)
• Range : 0.0 ~ 199.9%
• Resolution : 0.1%
• Relative Accuracy : ± 1 digit 
Temperature
• Range : -10 ~60℃ 
• Resolution : 0.1℃ 
• Relative Accuracy : ± 0.4℃ 
Dimensions / Weight 
• 220(L) X 80(W) X 40(H) / 450g(Body)