HF280 Digital Phase Meter 0.0~360.0 Degree Duty Cycle Meter 0.0~99.9% with Frequency and Temperature Measurement Function

HF280 1、 Overview: HF280 is a multi-function instrument for measuring frequency, phase and duty cycle, and also adds ambient temperature measurement. The instrument can be operated by pressing keys. Its advantages include simple structure, convenient use, stable performance, reliability, high sensitivity and fast measurement speed 2、 Application: ● Frequency measurement ● Phase measurement ● Duty cycle measurement ● Ambient temperature measurement; 3、 Technical parameter table: SN Item Parameter Unit Remarks 1 Measurement frequency range 1~500K HZ 2 Measurement frequency resolution 0.01 HZ 3. Measuring duty cycle range 0.0~100.0% rectangular wave duty cycle 4 Measurement duty cycle resolution 0.1% 5 Measuring phase range 0.0~360.0 degrees 6 Measurement phase resolution 0.1 degree 7 Signal input voltage range ± 0.7~10 VDC is direct coupling 8 Temperature measurement range - 50~+100 ℃ 9 Temperature measurement resolution 0.1 degree 10 Working voltage 7~12 VDC 11 Working current<50 mA 12 Working temperature - 40 ℃~65 ℃ ℃ 13 Storage temperature - 40 ℃~65 ℃ 14 Size 55 * 45 * 10 mm L X W X H

• Measurement frequency range 1~500K HZ
• Measurement frequency resolution 0.01 HZ
• Measurement duty cycle resolution 0.1%
• Temperature measurement range - 50~+100 ℃
• Working voltage 7~12 VDC