Modern breathalyser design trends are all towards pre-calibrated, clip in clip out sensor units. These offer the very real advantage of never having to send the breathalyser for repeated calibration services, which for some very frequent testers could be as frequent as 2-3 months. Without service or replacement the accuracy of the breathalyser is lost over time and testing.
Our recommended best buy in this price range is the AL7000 digital breathalyser, sold in North America as the Alcomate Phoenix, European models are unbranded AL7000 breathalysers but the design and features are identical.
The AL7000 breathalyser features an integral Prism sensor, the most modern and reportedly most robust semi-conductor sensor on the market. The AL7000 also has the easiest to change sensor access of any breathalyser, making sensor changes, fast and simple via a door on the reverse of the breathalyser, (no screws or catches to release)
Accuracy is directed towards lower alcohol level detection with manufacturers quoted +/-0.005% BAC at 0.050% BAC reducing to +/- 0.01% BAC at 0.010%BAC. This makes it an ideal breathalyser for users expecting and wishing to measure in the 0.000 to 0.050 levels of alcohol in blood and requiring high confidence and accuracy within this band (current UK HSE level at time of writting is 0.020%BAC so this includes most employment testers)
The AL7000 also incorporates comprehensive flow checking technology to ensure readings are only displayed for adequate 5 second deep breath samples. (indicates FLO is not met)
Error and sensor testing are also in-built with the AL7000 indicating error codes specific for fast diagnostic correction. The AL7000 breathalyser also indicates to the user total numer of tests conducted and will instruct you when a replacement sensor is required.
The calibration stability of Prism sensors is the best of all semi-conductor sensors and spare sensors can be purchased with the digital breathalyser with confidence that they should not deteriorate prior to installation.
Other consumables include a choice of standard mouth piece tubes and professional uni-directional valve mouth pieces. The professional mouth pieces also help reduce contamination and blockage of the airflow, entending sensor life expectancy.
The AL7000 was introduced in 2007 and is expected to be in production for between 5 and 8 years. All consumables for this breathalyser should be available for at least 10 years.
The AL7000 is an NHS contract breathalyser.
Valuebreathalysers are pleased to accept NHS purchase orders directed to our parent “Access Diagnostic Tests UK Ltd” Falcon Lodge, Hexgreave Hall Business Park, Farnsfield, Newark, Notts NG22 8LS by post and on fax 01623 884 105
Display Err2 = sensor loose fix = reposition sensor
Display FLO = not blowing for a full 5 second period
Display Sen = replace sensor