Mastercool's Digital Thermometer/Hygrometer with Bluetooth® wireless technology works with our Mastercool Connect app to remotely provide dry bulb temperature, wet bulb temperature and relative humidity. Integrated into this unit is a high-performance ceramic antenna which offers maximum Bluetooth® wireless technology range. This digital thermometer/hygrometer will allow for varying the refrigerant charge in a system and seeing in real time how the supply parameters change, it will also do the same for vehicles.

Features & Benefits

• The Convenient Clip, can Easily be Attached to a Vent Louver or Register to See Results More Accurately
• The Mode Key Switches Between Dry Bulb, Wet Bulb and Relative Humidity While the Deg C/Deg F Key Toggles Between Fahrenheit and Celcius for Easy to Read Calculations

Specifications

• Accuracy: +/-4.5 Deg F
• Battery Type: CR2032 Lithium Cell
• Size: 2.2 Inch x 2.1 Inch x 1.7 Inch
• Supplied with Battery: Yes
• Battery Life 40 Hour
• Battery Shelf Life 8 Month
• Relative Humidity 1 to 99 Percent
• Maximum Line-of-Sight Range 80 Meter
• Bluetooth 4.2 and 5
• Includes Bluetooth Wireless Technology