Any thoughts on alcohol testers?

I have been told it takes 1 hour per unit after you have had your last drink to leave your body.
So it could be a all next day dry out if its a good booze up
 
How do you check calibration is first thought.
Second thought is that I used to work for company that made the electronic breathalyser that are used by the police for road side tests and they cost somewhere around £1000 (may be a bit cheaper now) so how confident are you about using one that costs so little.
 
I have the AlcoSence pro works well it is expensive to get it calibrated every year
 
The rate alcohol leaves the body varies considerably from person to person. I knew that I could drink 1 1/2 pints of beer and be okay to drive several hours later but still close to the maximum alcohol limit, I also knew someone else who could drink 3 pints in an evening and be okay to drive.
These checks were done with an approved and newly calibrated breathalyser so I know they were an accurate representation.

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I have the Excel version, not felt the need to use it yet.
I also have a predecesor of the Lite 2 which I did use a few times and did delay my start time after a heavy night.
 
Borderland said:
The rate alcohol leaves the body varies considerably from person to person. I knew that I could drink 1 1/2 pints of beer and be okay to drive several hours later but still close to the maximum alcohol limit, I also knew someone else who could drink 3 pints in an evening and be okay to drive.
These checks were done with an approved and newly calibrated breathalyser so I know they were an accurate representation.
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That it varies so much from person to person is what concerns me the most really
 
K R B said:
I have been told it takes 1 hour per unit after you have had your last drink to leave your body.
So it could be a all next day dry out if its a good booze up
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Not quite true. Your liver gets to work as soon as you it hits your system. But your liver does remove it at roughly 1 unit (10ml of pure alcohol) per hour. And it doesn't matter how big you are, you still process the alcohol at roughly the same rate.

The issue is that if you're bigger, you need more alcohol in your system to be drunk. So it's very hard to estimate how many units you need to drop to, to know when you're back under the limit.
 
Guigsy said:
Not quite true. Your liver gets to work as soon as you it hits your system. But your liver does remove it at roughly 1 unit (10ml of pure alcohol) per hour. And it doesn't matter how big you are, you still process the alcohol at roughly the same rate.
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I believe that is an average and is different from person to person. It can vary depending upon age, size, male or female and medication. I wouldn't like to make a decision to drive based on the average.
 
jongood said:
That it varies so much from person to person is what concerns me the most really
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That’s alcohol for you Jon, one person can say drink 6 pints a night for 5 years and still be the picture of health fighting fit.
Another person could do the same and suffer decompensated liver cirrhosis and die.

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Borderland said:
I believe that is an average and is different from person to person. It can vary depending upon age, size, male or female and medication. I wouldn't like to make a decision to drive based on the average.
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1 unit per hour is reasonably conservative. It works for most people.
 
Borderland said:
The rate alcohol leaves the body varies considerably from person to person. I knew that I could drink 1 1/2 pints of beer and be okay to drive several hours later but still close to the maximum alcohol limit, I also knew someone else who could drink 3 pints in an evening and be okay to drive.
These checks were done with an approved and newly calibrated breathalyser so I know they were an accurate representation.
Click to expand...
3 pints of beer means an 8 hour wait after drinking. https://www.sussexsaferroads.gov.uk/info/safer-for-drivers/under-the-influence-calculator
 
Another vote for AlcoSense as well.

I am often sometimes over the limit the morning after. Handy bit of kit, more reliable (and easier) than trying to do a calculator I think.

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jongood said:
After the odd celebratory night, Ive often wondered how long the alcohol takes to resume legal levels. So started looking at these

www.halfords.com

AlcoSense Lite 2 Alcohol Breathalyser | Halfords UK

Shop the latest Successor to the multi award-winning AlcoSense™ Lite at Halfords UK
www.halfords.com www.halfords.com

Any thoughts/feedback please?
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I’ve got this one and it does what it says on the tin, it’s now saying requires calibration, as it’s to be used for your own piece of mind and not to argue the toss with a police officer I won’t be getting it calibrated every year, it doesn’t all of a sudden stop working.
 
DumfriesDik said:
Another vote for AlcoSense as well.

I am often sometimes over the limit the morning after. Handy bit of kit, more reliable (and easier) than trying to do a calculator I think.
Click to expand...
You would probably get away with it in England. I know a few folk in Scotland and if they have a 'good drink' then they won't drive at all the next day.
 
Borderland said:
You would probably get away with it in England. I know a few folk in Scotland and if they have a 'good drink' then they won't drive at all the next day.
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While touring Scotland on my motorbike, I stayed at a pub near Applecross. At turning out time, the people I was randomly chatting with all drove home. One over the pass.

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Rudski01 said:
I’ve got this one and it does what it says on the tin, it’s now saying requires calibration, as it’s to be used for your own piece of mind and not to argue the toss with a police officer I won’t be getting it calibrated every year, it doesn’t all of a sudden stop working.
Click to expand...
The calibration of any breathalyser will drift with time depending upon the measurement cell. It is as a long time since I was involved with the development and use of the electronic breathalyser but in the early days the calibration for the police approved units was a lot more frequent than probably needed now so even the cheap units might not drift that much.
 
Guigsy said:
While touring Scotland on my motorbike, I stayed at a pub near Applecross. At turning out time, the people I was randomly chatting with all drove home. One over the pass.
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Probable working on the hope that if they do get caught it will take an age to get to a police station that had an evidential standard breathalyser. :giggle:
 
I have always used the 12 hours from bottle to throttle rule, so far so good. :happy:
 
Borderland said:
I wouldn't trust to that in Scotland unless you only had a small amount to drink
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I doubt I will get to Scotland, so no worries, we has many years of clubbing in London, I drove on all but one occasion, we would arrive at the club at about 10 pm and leave at about 6am, I could have had a pint and been fine, but I never did, I made do with water all night and still enjoyed the night. If you need to drive in the morning be very careful, it's not worth the risk.

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Stepson has an alcometer, don’t know which and he s on holiday, provided by his employer who is very safety conscious.
ex who worked for British Rail was not allowed to drink for 12 hours before a shift, he wasn’t a driver but was responsible for on track safety.
 

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