Optical dissolved oxygen sensor JUMO digiLine O-DO H10/H20

digital4-20 mAModbus

Overview
The sensors provide reliable optical measurement of dissolved oxygen across trace to saturation concentrations. Available in two standard versions (H10 and H20) specifically developed for hygienic and demanding process environments. Integrated analog and digital interfaces allow connection to common field devices and process control systems. Plug-and-play connection to the intelligent, bus-compatible JUMO digiLine system.

Highlights

• Accurate optical measurement with long-term stability
• Integrated analog (4…20 mA) and digital interfaces (RS485, Modbus RTU)
• FDA-compliant materials for hygienic applications

Customer benefits at a glance

• Suitable for harsh and demanding processing environments
• High plant safety and process reliability
• Easy retrofitting of existing installations
• Versatile use across multiple measurement tasks
• Consistent process performance under challenging operating conditions
• Approved for direct contact with food and pharmaceutical substances

Product description (functional summary)
Digital optical sensors for dissolved oxygen; two standard variants (H10, H20) for different measuring ranges. Designed for hygienic and industrial applications. Integrated analog (4…20 mA) and digital outputs; plug-and-play connection to JUMO digiLine.

Technical specifications

• Sensor material: Stainless steel 1.4435
• Measuring principle: Optical
• Dimensions: Ø12 mm, shaft length 120 mm; other lengths on request
• Connection: VP plug head Pg 13.5
• Measuring range (general): 1 ppb (µg/L) to 45 ppm (mg/L); 0 to 500 % SAT; 0 to 100 % O2; 0 to 515 hPa (at 20 °C, 1013 hPa in air)
• JUMO digiLine H10 (standard): 0 to 22.5 ppm (mg/L); 0 to 248 % SAT; 0 to 50 % O2 (at 20 °C, 1013 hPa in air)
• JUMO digiLine H20 (standard): 0 to 2000 ppb (µg/L); 0 to 5 % O2; 0 to 50 hPa (at 20 °C, 1013 hPa in air)
• Temperature compensation: Automatic
• Process temperature: 0 to 50 °C recommended; -10 to +90 °C max.
• Process pressure (at 20 °C): -1 to +12 bar
• CIP resistance: 2 % NaOH, 80 °C
• SIP: Up to 140 °C, 1.5 atm
• Outputs: Digital; 4 to 20 mA
• Serial interface: RS485 with Modbus RTU protocol
• Cross-sensitivity: Chlorine gas; organic solvents (e.g. acetone, toluene, chloroform, chloroacetic acid)
• Special features: JUMO digiLine connection system