The oxygen sensor Max-250B replaces THE KE-25F3

Oxygen sensor MAX250B Measurement range: 0-100 % Service life: 900 000% hours, about 5 years in the atmosphere Lose: 10 to 16 mV Zero voltage: less than 0.5 mV Resolution: ± 0.1 % Temperature range: 5℃ to 45℃ Pressure range: 0.5 to 1.5 ATM Response time & LT;15S (for 90%), <25S (for 97%) Filter gas: completely filter CO, CO2, H2, H2S, SO2, NO and other gas interference Recommended load value: & GT;1 m Ω Precision: ±1% (normal temperature and pressure), ±2% (full range of temperature) Storage temperature: 15℃ to 50℃ Sampling orifice: : M16X1 thread

Refund Instructions for Returns: 1. Return and exchange services will be provided within 7 days upon receipt.Returns are not accepted unless there is something wrong with the product. 2. You can exchange and refund.The return freight shall be borne by the buyer. If you have any questions about the products, please feel free to contact us by E-mail.Our goal is to satisfy our customers! Note: Adhering to the attitude of being responsible to customers, our company tests each product before delivery to ensure product quality. Wish you a happy shopping, welcome to visit next time!