♧ Measurenment method 
• Measure range 
: 0~9.99, 10~99.9, 100~1000NTU
• Accuracy          
: + 2% (0~499NTU), + 3%(500~1000NTU)
• Resolution        
: 0.01NTU (0~9.99NTU)/0.1NTU(10~99.9NTU)/1NTU
(100~1000NTU)
• Reproducibility  
: +1%, +0.01NTU
• Light Source     
: Tungsten lamp
• Workable Temperature 
: 0~50 C
• Display              
: 128 x 64Dot
• Outputs              
: RS- 232C
• Power (Voltage) 
: Free Voltage (100~240V) lithium ion
• Demensions       
: 98(W) x 202(D) x 15(H)mm
• Weight                
: 500g
• Consumption      
: 25Ø  Vial: 6EA / 1Box 
STD Solution: 0.1 , 10, 100, 500, 1000 Expiration 
• Accessories (Option)      
: Thermal Printer , Data download cable
♧ 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
♧ Features
● ISO 7027 a determination under the provision.		
● Wall or panel-mounted housing.
● IR / Tunsten 90 ° scattered light measurement method.	
● Bubble removal system.
● User-defined alarm configuration.				
● Easy operation by front keys.
● High precision resolution system.
♧ Applications
● For measuring quality of drinking Water, purifying plants 
and wastewater treatment plant.		
● Ultra pura water manufacturing facility.
● Food & drug process controls
● Industrial use of reprocessing facilities.
● Power plant cooling water.
♧ Technical Specifications
1.Transmitter
● Measuring Unit NTU							
● Measuring Range 0.0~10.0NTU / 0.0 ~ 100NTU 
/ 0.0 ~ 1000NTU
● linearity 0.1% of F.S.						
● Accuracy 2% of reading at below 10 NTU
● Resolution 0.0001 NTU						
● Repeatability 0.05 NTU
● Response Time 10sec (90% Saturation)				
● Operating Termperature -20~80°C
● Relative Humidity 0 to 95%, None-Condensing			
● Analog Output 4-20mA
● Communication output RS232C (OPTION)				
● Alarm Contact High, Low, Clean 250VAC 0.5A SPST
● Load Resistance 750ohm Max. Load				
● Power Voltage AC110 ~ 220V 50/60Hz ±10%, approx. 3Watt
2.Model
1) CUBE-TU 1000 
• Display : 3.5 Inch Graphic LCD
• Max Range : 0.0~500 NTU 
• Cleaning System : Air Cleaner / Ultra Sonic Cleaner - Option
• Materials : Glass Fibet Nylon
• Enclosure Rating : NEMA 4X
• Dimension : 96 X 96 X 155
• Install : Panel Mount
2) CUBE-TU 2000 
• Display : 5.3 Inch Graphic LCD
• Max Range : 0 ~1000 NTU 
• Cleaning System : Air Cleaner / Ultra Sonic Cleaner - Option
• Materials : Glass Fibet Nylon 
• Enclosure Rating : NEMA 4X / IP 65
• Dimension : 144 X 144 X 185
• Install : Panel or Wall / Stanchion Mount
3.Sensor
● Light Source IR(LED) / Tungsten
● Measuring Range 0/1000 NTU
● Resolution 0.001 on scale 0/10.000 
NTU 0.01 on scale 0/100.0 NTU 0.1 on scale 0/500.0 NTU
● Accuracy 5% of reding on 0/500 NTU
● Response Time 10sec (90% Saturation)
● Measuring method Nephelometric (ISO 7027)
● Optical window material Acrilic
● Sensor Material POM