<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div> <p style="font-size: 16px;font-family: Comic Sans MS, Verdana, Georgia;">Features<br>The gas residue test card uses PET+liquid crystal material to complete color changes based on the pressure and temperature of the liquid and gas transition inside the tank. It can provide a reminder of changes in margin.<br>Color changes according to temperature changes, with green indicating the current temperature point<br><br>specifications<br>Product size: 10 * 20CM (including blister packaging)<br>Product printing: color printing<br>Material: PET+LCD+soft magnet<br>Packaging: Blister packaging,<br>Single product weight: approximately 30g<br>Usage: Place the test card at the bottom of the tank and slowly slide it upwards. The card will show a color change, and the position where the color change occurs is the remaining amount of liquefied gas in the tank.<br><br>Packaging includes<br>1 * Test paper jam<br></p> <div><br><br><br><br><br><br><br><br><br><br><br><br></div> <p style="font-size: 16px;font-family: Comic Sans MS, Verdana, Georgia;">Thank you for your attention, We guarantee the quality of our products.Welcome to visit.Hope you have a nice day!</p> </div></div></div>