testo 760 3 TRMS Multimeter

Amazon

Easy, reliable work thanks to automatic measurement parameter detection Comfortable, one-handed operation without any dial Voltage range up to 1,000 V Additional functions, such as true root mean square measurement - TRMS, low-pass filter and temperature adapter

Test-meter.co.uk

True RMS digital multimeter, 1000V/10A, 0.1% accuracy. Measures voltage, current, resistance, frequency, capacitance, temperature. Cat IV 600V, Cat III 1000V. Automatic parameter detection. Backlit screen.