<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br />1.Real time monitoring: Real time display of formaldehyde concentration, tvoc concentration, air humidity, and current time, fully understanding the air quality status.<br />2.Air quality assessment: Provides formaldehyde hazard assessment function to help users identify potential health risks in the air.<br />3.Historical data recording: Support historical data recording of formaldehyde concentration and tvoc concentration for better long-term air quality management.<br />4.Spatial average: Calculate the spatial average of formaldehyde and tvoc to help users evaluate air quality more accurately.<br />5.Formaldehyde removal calculator: Intelligently calculates formaldehyde removal time, cost, and required materials based on house area, house type, average formaldehyde content, and formaldehyde removal method.<br />6.Alarm threshold setting: Users can set the alarm thresholds for formaldehyde and tvoc according to their needs. Once exceeded, the equipment will immediately sound an alarm to ensure indoor air safety.<br />7.Calendar and time display: Display the current date, time, and humidity, providing convenient time management functions.</p> <p>Product introduction<br />The finiris sfd-02 formaldehyde tester is an air quality monitoring instrument designed specifically for monitoring formaldehyde and tvoc concentrations in indoor environments such as homes and offices. It not only displays real-time data on formaldehyde concentration, tvoc concentration, humidity, time, etc., but also provides formaldehyde hazard assessment and historical record query functions. With the help of multiple intelligent functions, ， sfd-02 helps users effectively understand air quality and ensure the safety and health of indoor environments.</p> <p>&nbsp;Parameters:&nbsp;<br />Product name: four in one formaldehyde tester<br />Product model: sfd-02<br />Screen material: 2.4-inch tempered glass touch high-definition color screen<br />Backlight: adjustable backlight brightness<br />Charging method: usb type-c interface (5v/2a)<br />Battery: 1000mah 1*lithium battery<br />Language: chinese, english</p> <p>Formaldehyde parameters<br />Range: 0-2000 ppm<br />Detection hardware: electrochemical sensor<br />Preheating time: 5 seconds<br />Tvoc parameters<br />Range: 0-10mg/m&sup3;<br />Testing hardware: Semiconductor sensors<br />Preheating time: 120 seconds<br />Classification of formaldehyde levels<br />Excellent: 0mg/m&sup3; -0.08mg/m&sup3;<br />Good: 0.08mg/m&sup3;-0.1mg/m&sup3;<br />Mild pollution: 0.1mg/m&sup3;-0.2mg/m&sup3;<br />Moderate pollution: 0.2mg/m&sup3;-0.3mg/m&sup3;<br />Severe pollution: 0.3mg/m&sup3;and above</p> <p>Package&nbsp;include:<br />Detector*1<br />Instruction manual*1<br />Usb-c charging cable*1<br /><br /></p></div></div>