Specifications Pressure Measurement Measurement Range 1 to 60 barAccuracy ±0 5 full scaleResolution 0 01 barConnection Port 1 4 SAEMaximum Overload Pressure 65 barVacuum Measurement Measurement Range 0 to 20 000 micrometerAccuracy ± 10 micrometer 10 of reading Resolution 1 micrometer 0 1 000 micrometer 10 micrometer 1 000 2 000 micrometer 100 micrometer 2 000 5 000 micrometer Connection Port 1 4 SAETemperature Measurement Measurement Range 50°C to 150°CAccuracy ±0 5°CResolution 0 1°CConnection Port 2 x plug in NTC General Information Operating Temperature 20°C to 50°CStorage Temperature 20°C to 60°CPower Source 4 x AA batteriesBattery Life 250 hours Bluetooth and backlight OFF 100 hours Bluetooth and backlight ON Bluetooth Range 150 metersProtection Class IP54Features 1 Precise Refrigeration and HVAC DiagnosticsThetesto 550s offers highly accurate pressure and temperature measurement supporting precise analysis and adjustments for refrigeration and HVAC systems 2 Advanced Vacuum MeasurementIntegrated vacuum measurement capabilities ensure reliable and efficient system evacuation with micrometer level accuracy promoting optimized performance for demanding applications 3 Real Time Wireless ConnectivityEquipped with Bluetooth technology and a robust 150 meter range it enables seamless monitoring and data transfer to the dedicated app for enhanced workflow efficiency 4 User Friendly DesignThe large backlit display and intuitive interf
