Features: Imported fuel cell sensor with long service life, fast response time, high detection accuracy, long calibration cycle and other characteristics; Using a unique protective gas circuit, the effective protection of sensors to avoid the sensor due to prolonged exposure to the air and affect the sensor life; Any point of calibration within the range can be, without multi-point calibration to meet the measurement accuracy of the entire range; Built-in temperature compensation function, eliminating the influence of ambient temperature changes on the sensor measurement accuracy; Automatic data storage function, and ready access to historical data; Chinese and English menu switching function, intuitive and convenient operation; Automatic backflush function (optional), to avoid the sampling gas, such as dust and other pollutants caused by sampling lines (especially filters) blockage; Built-in import suction pump (optional). Technical Parameters: Measuring principle: fuel cell Display: 320 × 240 dot matrix LCD Measuring range: 0 ~ 10/100 / 1000ppm, 1.00%, 25.00% O2 Measurement accuracy: 0 ~ 1000ppm /1.00%/10.00% /25.00%≤ ± 1% FS 0 ~ 100ppm ≤ ± 2% FS 0 ~ 10ppm ≤ ± 5% FS Resolution: 0.1ppm Repeatability: ≤ ± 1% Response time: T90≤60S Analog output: 4 ~ 20mA.DC (non-isolated output, load resistance less than 500 ohms) 0 ~ 5V.DC (non-isolated output, the load resistance is greater than 10K ohms) 1 programmable dry contact type passive alarm output, the maximum contact capacity of 220VAC / 2A Power supply: AC220V 50 / 60HZ Sample temperature: 0 ~ 50 ℃ Sampling methods: suction or access type Sample gas flow: 600 ~ 800ml / min Working pressure (no pump): 0.05Mpa ≤ inlet gauge ≤ 0.35Mpa, the regulator atmosphere Working pressure (with pump): Micro-pressure, micro-negative pressure or atmospheric pressure Background gas: He, H2, CO2, N2 and inert gases mixed gas Size: 400mm × 300mm × 200mm (H × W × D) Life:> 24 months (under normal conditions of use) Air connection: NPT 1/8 female Installation: wall-mounted
Features: Imported fuel cell sensor with long service life, fast response time, high detection accuracy, long calibration cycle and other characteristics; Using a unique protective gas circuit, the effective protection of sensors to avoid the sensor due to prolonged exposure to the air and affect the sensor life; Any point of calibration within the range can be, without multi-point calibration to meet the measurement accuracy of the entire range; Built-in temperature compensation function, eliminating the influence of ambient temperature changes on the sensor measurement accuracy; Automatic data storage function, and ready access to historical data; Chinese and English menu switching function, intuitive and convenient operation; Automatic backflush function (optional), to avoid the sampling gas, such as dust and other pollutants caused by sampling lines (especially filters) blockage; Built-in import suction pump (optional).