2023 New Operated Alcohol Breath Tester Breathalyzer Alcomate AT319 Public Tester coins operated alcohol tester (Бразилия - Тендер #41996117)

Hello I need more information about the product, thanks.My doubt is about 2 things. I want to use on event without de credit card or coin, so is free to use on event is easy to do that? fully operational without any payment? and I need to put a battery to use without the ac, is it possible, is easy to implement, can I change here, or how it works better? Thanks. And about calibration, if have a problem with calibration is easy to resolve?
Sensor type:Electrochemical (fuel cell) alcohol sensor, Module changeable
Test Range:0.000-2.000mg/l
Pass level:0.090mg/L (could be modified)
Fail level:0.250mg/L (could be modified)
Accuracy: /-10%
Work temperature:-10oC-50oC
Work humidity:<95%RH (No Dews)
Battery:2XAA NiMH batteries, rating capacity: 2.1AH
Dimension lXbXh:(mm) 250X105X400
Indication manner:mg/l,mg/100ml,g/l ,%BAC,%oBAC optional

Country: Brazil

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