• With Bluetooth function
• Compatible with the Testboy Connect app
• Auto power off
• True RMS
• Data hold function
• DC voltage measurement up to 600 V
• AC voltage measurement up to 600 V
• Resistance measurement up to 60 MΩ
• Alternating current measurement up to 10 A
• Temperature measurement -20°C to 1000°C -4°F to 4832°F
• LC display with backlight
• CAT III 600V

The Testboy 4000 is a professional true RMS multimeter. With its Bluetooth interface and the free Testboy app, all measurement data can be transferred to a mobile phone. The Testboy Connect app enables data logging of the measurement values ​​as well as graphic and tabular evaluation. Exporting the data, e.g. in Excel format, also enables numerous analysis functions. The 11 extensive measurement functions of our Testboy 4000 are rounded off by a min and max value measurement. Application in industry, laboratory, trade and hobby areas is therefore exactly the right task for our Testboy 4000.