
ZRN-Q301 Carbon dioxide gas detectors a brief introdction: • explosion-proof grade ExdⅡCT6 • High precision, long life of imported infrared carbon dioxide sensor, interference from other gases • Automatic temperature compensation, zero, span drift compensation • Anti-impact high concentrations of gas automatic protection function • Full software calibration feature, users can self-calibration, with three buttons to achieve, simple operation • Two-wire 4 ~ 20mA output, RS232 signal output (optional) • Two cable entry, easy on-site installation • Independent chamber structure, quick response ZRN-Q301 Carbon dioxide gas detectors Features: • Detection of gas: air of carbon dioxide • Detection principle: infrared sensor • Detection method: fixed-line detection, diffusion measurement, pump-priming optional • Measuring range: 0-2000ppm, 5000ppm, 8000ppm, 10000ppm, 3% vol, 5% vol, 10% vol, 20% vol, 100% vol • Resolution: 1ppm, 0.01% vol, 0.1% vol (associated with the selected range) • Accuracy: ± 3% • Display: LCD (optional) • Response time: ≤30 seconds • Recovery time: ≤60 seconds • Explosion-proof mark: ExdⅡCT6 • Explosion-proof connecting thread: 3 / 4'NPT or customer-defined • Signal output: 4 ~ 20mA two-wire standard current (maximum load 1500 ohms); RS232 computer communication interface (optional) • Maximum transmission distance: 1100 meters (2.5 mm2 copper cable) • Operating temperature: -20 ℃ ~ + 60 ℃ • Relative Humidity: 10% ~ 95% RH (non-condensing) • Power Supply: Dual power 24VDC ± 12VDC and 24VDC ± 5VDC • Maximum power consumption: 2.5W • Weight: about 1.5Kg
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