7502A Hamimi 5 Level LED Bad Breath Checker

1、  FEATURES

1)      The machine used HIG high-performance 8-bit microcontrollers (12 bit A / D) control, the MEMS sensor for the SM bad breath gas sensor (H₂S);

2)      With real-time clock (RTC), an alarm function;

3)      One-button design, easy to operate;

4)      Low-voltage direct function;

5)      Can automatically shut down manually shut down, real-time clock (RTC) can not be shutdown;

6)      With buzzer voice prompts;

2、  TECHNICAL PARAMETERS

1)      Showing the value: Five level LED display

2)      Test range: Ⅰ-Ⅴ Level

3)      Accuracy: ± 10%

4)      Repetitive: ± 10%

5)      Warm-up time: 10 seconds

6)      Response time: ≤ 5 seconds

7)      Recovery time: ≤ 15 seconds

8)      the scope of alarm: ≥ 3 level bad breath, the buzzer alarm tips

9)      Input power: DC 3V (CR2032 button batteries x1)

10)    Products size: Φ48 × 9.5mm³