Main Host
●Display: 4.3 inch color TFT LCD capacitive touch screen
●Signal input channel: TEV × 1, air-coupled ultrasonic × 1
●Power interface: DC 12V
●Headphone jack: 3.5mm
● Data storage: support TF card storage and derived
●Battery: 12V, 2500mAH
●Operating time: more than 4 hours
●Weight: <1kg
●Size: Body size: 240mm×240mm×80mm
●Handle size: 146mm×46.5mm×40mm
TEV measurement
●Sensor type: capacitive coupling
●Sensor installation method: built-in
●Frequency range: 10～100MHz
●Measuring range: 0～50dB
●Accuracy: ±1dB
●Resolution: 1dB
●Ultrasonic measurement
●Sensor type: air coupled
●Sensor specifications: built-in
●Resonance frequency: 40kHz±1kHz
●Measuring range: -10dBuV～70dBuV
●Sensitivity: -68dB (at 40.0kHz, 0dB=1 Volt/μbarrms SPL)
●Accuracy: ±1dB
●Resolution: 1dB
Power supply
●Normal working time: more than 4 hours
●Battery protection: When low voltage is measured, please charge it in time.
Battery charger
●Rated voltage: 100-240V
●Frequency: 50/60Hz
●Charging voltage: 12V
●Charging current: 0.5A
●Time required for full charge: about 7 hours
●Working temperature: 0-55℃