| Form | Dissolved Oxygen Sensor |
| Scale | DO |
| Features | Gold cathode; silver anode; FEP Teflon membrane; half-saturated KCl; -5 to 45°C; ±0.2°C thermistor accuracy; 0.8V nominal polarising voltage; 19µA air current; ≤0.15µA nitrogen current; 90% DO response in 15s at 25°C; 90% low-DO response in 45s; 95% temperature response in 45s at 50°C; tested above 65°C within ±5% nominal |
| Applications | Dissolved oxygen measurement in liquids; WP Series; Aqua Series; SmartChem Lab; 90 Series |
The TPS Dissolved Oxygen Sensor - WP/AQUA/SmartCHEM measures dissolved oxygen in liquids and replaces the EDYSI-123204 sensor. It uses a gold cathode, silver anode, FEP Teflon membrane and half-saturated KCl electrolyte. The temperature range is -5 to 45°C, with ±0.2°C thermistor accuracy and 0.8V nominal polarising voltage. Nominal probe current is 19µA in air and 0.15µA or less in nitrogen at 30°C. Typical DO response is 90% in 15 seconds at 25°C, or 45 seconds at low DO; temperature response is 95% in 45 seconds at 50°C. Tested above 65°C within ±5% of nominal. Includes wetting cap, sodium sulphite and service kit; cable is not included.
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