Features: 1.LCD display, display intuitive, easy to operate; 2. In the case of explosion-proof, through the magnetic pen to complete the menu settings, easy on-site operation; 3. Imported fuel cell oxygen sensor, fast response, high accuracy, good linearity, long calibration period, anti-weak acid, anti-weak base; 4. The entire range can be calibrated at any point, without the need for more calibration, making calibration simple and convenient; 5. High-precision pressure automatic compensation system to eliminate the impact of environmental pressure; 6. High-precision automatic temperature compensation system, eliminating the impact of ambient temperature. Technical Parameters: Measuring principle: fuel cell Display: 128 × 64 dot matrix LCD Measuring range: 0 ~ 10/100 / 1000ppm, 0 ~ 25.00% O2 (Optional different range: trace or constant) Measurement accuracy: 0 ~ 1000ppm / 1.00% / 10.00% / 25.00% ≤ ± 1% FS 0 ~ 100ppm ≤ ± 2% FS 0 ~ 10ppm ≤ ± 5% FS Repeatability: ≤ ± 1% Response time: T90 ≤ 60S Analog output: 4 ~ 20mA.DC (non-isolated output, load resistance less than 500 ohms) 1 programmable dry contact type passive alarm output, the maximum contact capacity of 220VAC / 2A Power supply: DC24V / 0.5A Sample temperature: 0 ~ 50 ℃ Humidity: <80% RH Sampling methods: access type Sample gas flow: 600 ~ 800ml / min Inlet pressure: 90 ~ 110KPa, atmospheric pressure (absolute pressure) Sample gas components: no corrosive gases, dust less than 1mg / Nm3 Size: 196mm × 170mm × 134mm (H × W × D) Life:> 24 months (under normal conditions of use) Explosion-proof grade: Exd IIB T4 Installation: wall-mounted
Features: 1.LCD display, display intuitive, easy to operate; 2. In the case of explosion-proof, through the magnetic pen to complete the menu settings, easy on-site operation; 3. Imported fuel cell oxygen sensor, fast response, high accuracy, good linearity, long calibration period, anti-weak acid, anti-weak base; 4. The entire range can be calibrated at any point, without the need for more calibration, making calibration simple and convenient; 5. High-precision pressure automatic compensation system to eliminate the impact of environmental pressure; 6. High-precision automatic temperature compensation system, eliminating the impact of ambient temperature.