Description:Temperature - TC Type K (NiCr-Ni) Measuring range: -20 to +500 °C Accuracy: ±1 °C (0 to +100 °C) Resolution: 0.2 °CDC voltage: Measuring range: 1.0 to 600.0 V Resolution: max. 0.1 mV Accuracy: ± (0.8 % of mv + 3 Digit)AC voltage Measuring range: 1.0 mV to 600.0 V Resolution: max. 0.1 mV Accuracy: ± (1.0 % of mv + 3 Digit)DC current: Measuring range: 0.1 to 600.0 A (clamp)0.1 to 600.0 ?A (measuring cables)Resolution:0.1 (clamp)0.1 (measuring cables)Accuracy: ± (2 % of mv + 5 Digit) (clamp)± (2 % of mv + 5 Digit) (measuring cables)AC current Measuring range0.1 to 600.0 A (clamp)0.1 to 600.0 ?A (measuring cables)Resolution: 0.1 A (clamp)0.1 ?A (measuring cables)Accuracy: ± (2 % of mv + 5 Digit) (clamp)± (1.5 % of mv + 5 Digit) (measuring cables)Resistance: Resolution: max. 0.01 ohm Measuring range: 0.01  to 60.00 Mohm Accuracy: ± (1.5 % of mv + 3 Digit) Capacitance Measuring range: 2nF to 60.00mF Accuracy: ± (1.5 % of mv + 5 Digit)Operating humidity: 0 to 80 %RH Operating temperature: -10 to +50 °C Storage temperature: -15 to +60 °C Overvoltage Category: CAT III 1000V; CAT IV 600V,Accessories: TESTO 770-3 Digital Multimeter  Easy to operate thanks to the fully retractable pincer arm,Auto AC/DC and large two-line display,Improved TRMS method,Bluetooth connection to your smartphone (with the testo Smart App) Non-contact measurement on tightly packed cables is really easy and reliable with the testo 770-3 clamp meter. Its innovative grab mechanism will make your work easy. The most powerful model in the clamp meter series, it offers lots of additional functions for those challenging tasks that you are faced with on a daily basis, e.g. communication with the testo smart app via Bluetooth.