odor detector - 7521A

7521A Penguin Figures LCD Digisplay Halitosis checker
1、 FEATURE
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) Single-button operation;
3) Showing the value of a grade LCD screen digital visual display, a low-voltage direct function;
4) With automatic and manual shutdown shutdown;
5) With buzzer voice prompts;

2、 TECHNICAL PARAMETERS
1) Showing the value approach: LCD screen four percentage figures show
2) Test range: Digital 000.0% to 100.0%
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: ≥ 40% bad breath, the buzzer alarm tips
9) Input power:: DC 3V (AG13 button batteries ×2)
10) Products size: 49.7 × 32 × 14.8mm3