body { font-size: 75%; color: #000; font-family: Open Sans,Arial,Heetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #descrtion { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px solid black; border-bottom: 1px solid black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px solid black; border-top: 1px solid black; } MH-Z19B carbon dioxide gas r (hereinafter referred to as the r) is a general-purpose smart small-scale r that uses non-dispersive infrared (NDIR) princle to detect the presence of CO2 in the air, with good selectivity and anaerobic Gas dependence, long life and other characteristics; built-in temperature compensation; at the same time with serial output, og output and PWM output, easy to use. The r is a high-performance r that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design. Parameters: Output: Digital r Material: ABS color:gold + green Model Number: CO2 r Module Usage: Gas r Theory: CO2 r Module Product model number: MH-Z19B Gas Detection: Carbon Dioxide Supply voltage: 4.5~5.5V DC Average current: Le than 20mA (@5V power supply) Peak current: 150 mA (@5V supply) Interface level: 3.3V (5V compatible) Measurement range: 0~10000ppm can be selected within the range Warm-up time: 3min Response time: T90 Le than 120s Working temperature: 0~50°C Operating Humidity: 0 to 95% RH (non-condensing) Characteristics: Gas chamber with gold plating, waterproof and corrosion resistant High sensitivity, low power consumption Excellent stability Temperature compensation, excellent linear output Provides serial (UART), og (DAC), PWM waveform output methods long lasting Water interference, not poisoning Application: HVAC refrigeration equment Air quality monitoring equment Fresh air system Air purification equment Smart home SCHOOL Package Contents: 1 * pcs MH-Z19 Infrared CO2 r Module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the ture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
About shpingShping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer).
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