Check the listing for details. Digital Temperature Tester Pipe Clamp HVAC Thermometer Real-Time Temp -50~150℃. Condition: New. Listed at 41.99 USD. LM55 Digital Temp Clamp is a convenient, efficient and reliable tool for temperature measurement of refrigeration, air conditioning and heating systems. LM55 Temperature Pipe Clamp Probe supports real-time digital display mode and real-time temperature waveform mode to make testing easier. Combined with adjustable screen brightness and a choice of temperature units in Celsius and Fahrenheit, the thermometer allows operation in ranges as high as 260 degrees Celsius and as low as -50 degrees Celsius. Highprecision Sensor LM55 digital temperature clamp meter uses a high-precision temperature sensor, with a temperature error within ±0.3°C. Real-time Temperature Measurement LM55 digital temperature clamp meter Displays the current temperature digitally with a measurement range of -50C°-150C°. Data Waveform Display Real-time display of temp./time curve. History Data Viewing LM55 Digital Temp Clamp Can store 8 sets of waveform data, with each set of data lasting 150s,and users can browse historical waveforms. High-definition Color Screen LM55 Digital Temp Clamp is equipped with a 0.96-inch TFT color screen, with a resolution of 80RGB x 160 dots. Adjustable Brightness Depending on the usage scenario, backlight brightness can be adjusted from 0% to 100%. Specifications Operating Voltage: 4.5V(3 x 1.5V batteries Operating Current: