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1. What conditions are required to know the relative value of maximum oxygen uptake?
2. What does the abbreviation "HO2S" mean? The English abbreviation HO2S is commonly used in the technical field, representing "Heated Oxygen Sensor" or "heated oxygen sensor". This abbreviation is mainly used to describe oxygen content detection devices in hardware equipment. Its Chinese pinyin is "ji ā r è x í ng y ǎ ng chu á n g ǎ n q ì", widely used in computer and hardware related fields. The English explanation for HO2S is Heated Oxygen Sensor, which is widely used in English, especially in engine management systems, to accurately measure the air-fuel ratio of spark ignition engines. The research has explored how to apply it in practical applications, such as Investigation on the Application of Heated Oxygen Sensor in Air-Fuel Ratio Measurement for Spark Ignition Engines， Accurate air to fuel ratio control using a heated oxygen sensor. HO2S, as an abbreviation for "Heated Oxygen Sensor", is a common term for knowledge sharing and learning on the internet, and the copyright belongs to the original author. Please note that the above information is for learning reference only. Please discern it yourself when using it to ensure the accuracy and security of the information. 3. Explanation of several physical and chemical instruments for high resolution
Dissolved oxygen analyzer technical parameters display: Chinese display, 192 × 64 dot matrix LCD range: 0-20ug/L;
; 0～200ug/L; 0-20mg/L (automatic shift) resolution: 0.1 ug/L; 0.01 mg/L； Accuracy:<± 3% F.S or 1ug/L (whichever is greater) Reading response time: 90% change within 60 seconds at 25 ℃ Temperature sensor: thermistor Temperature measurement range:
10, 0~20 or 4~20mA (two-way isolated output) Output current accuracy: ± 0.1mA Maximum load resistance: 800 Ω (20mA Max.) Voltage: 198VAC~242VAC, 50Hz ± 1Hz Power: ≤ 8VA Insulation: Power supply to ground 1500V/1 Minute no arcing alarm output: dual normally open programmable relay contacts: 5A/30VDC or 5A250VAC. Communication: CAN bus (optional) Storage and transportation temperature: -25 ℃~55 ℃ (excluding electrodes, electrodes should be higher than 0 ℃) External dimensions: 158 width x 158 height x 170 depth mm Hole size: 140mm x 140mm Weight: 2 kilograms --------------------------------------------------------------------------------------------------------------------------------------------------The electrode structure is sturdy and has strong anti pollution ability. Two relays can achieve high/low temperature or oxygen concentration alarm. Two channels of 4-20mA are available Isolation current output ◇ has data storage function, which can store measurement data for at least one month -------------------------------------------------------------------------------------------------------------------------------. The display screen adopts a 192 × 64 dot matrix LCD with Chinese display. All operations and programming are completed by 8 touch sensitive film buttons located on the front panel
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