Common feature includes

• 873DO is a line-powered, dual sensor input dissolved oxygen analyzer.
• 873DO analyzer provides two analog output signals (4-20 mA, 0-10 V, 0-20 mA) and two alarm relays. 
• Process Pressure and Temperature Limits: 0 and 210 kPa gauge (0 and 30 psig) 0 and 50°C (32 and 122°F)
• Linearity: Better than ±1% of span at constant temperature
• Automatic Temperature Compensation: Achieved using 100 kW thermistor within sensor to provide ATC between 0 and 50°C (32 and 122°F).
• Sensor Type: Polarographic Clark Cell with a composite membrane enclosing four electrodes in potassium chloride (KCl) electrolyte.
• Sensor Membrane: Stainless Steel Reinforced Composite Membrane on a Replaceable Cap
• Process Wetted Parts Materials: Body: PVDF (upper housing) and Noryl (lower housing), Membrane: Silicone Rubber, Membrane cap holder: Noryl
• Measuring Electrode Gold
• Cable length up to 150m.

Applications

• Aeration basins
• Industrial wastewater treatment plants
• Municipal wastewater treatment plants
• Aquaculture measurements