Accurate measurement, waterproof and moisture-proof, quality assurance, easy installation, complete functions, reliable performance Ultrasonic heat meter is an intelligent heat metering device that integrates mechanical and electrical systems to achieve precise measurement of cold and heat. This product has the characteristics of beautiful appearance, easy installation, accurate measurement, stable operation, low pressure loss, and no blockage or adsorption. Applied to heating facilities such as centralized heating, central air conditioning, and combined cold and hot supply that charge for heat metering. Shell protection level: IP65(GB4208) Display mode: 8-bit LCD, with a single button operation on the panel<br><br>Battery supply: Lithium battery 3.6V Temperature difference range: 3 ° C-75 ° C Temperature range: 2°C-95°C Colour:As Shown Material:Copper + Plastic<br><br>Package Contents: 1 x Ultrasonic Heating Flow Meter<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.