HQ AT20 Manual De Uso página 5

Low battery indication
If (low battery) indicator show on the display, please try to replace the old batteries
(use the alkaline battery only).
Auto power off
1. Power will automatically turn off after the test lasts for about 25 seconds.
2. If warm-up is defeated, the tester will automatically turn off also.
How to use the torch
Set the torch switch to <on> position for turn on the torch.
* Avoid inaccurate result, do not test the alcohol concentration when the torch is
lit.
Specifi cations
* Sensor: Advanced semiconductor oxide alcohol sensor
* Range: 0.00%-0.1% BAC (0.00-0.50mg/l BRAC)
* Accuracy: 0.01% BAC (0.05mg/l BRAC)
* Power input: 2 X 1.5V @AAA@ alkaline battery
* Operating time: warm up: 15-20s, response: <5s
* Auto power off: 1 minute approx.
* Dimension: 100X45X20mm
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