Granco Ltd has been appointed an agent for Alcolock products throughout Ireland

Background of Alcolock

Alcohol countermeasure systems (ACS) is a leading producer of alcohol interlocks and breath alcohol testers. Originally designed for law enforcement in 1976, the ASC product line has expanded to serve the industrial, law enforcement, public and personal safety markets.
With numerous patents worldwide, ASC remains a pioneer by employing over 150 industry experts to produce some of the most accurate and reliable alcohol sensing equipment available in the industry.

Alcolock Product range

ALCOSIM™ Calibration equipment

Our ALCOSIM breath alcohol simulator paired with Alcohol Reference Solution (ARS) is used to calibrate various breathalysers and ignition interlock devices. The ALCOSIM breath alcohol simulator effectively calibrates the sensor, ensuring the prolonged accuracy and longevity of your breathalyser and ignition interlock device. Our ALCOSIM simulator generates a breath sample similar to a human’s to provide a precise calibration standard for your devices. To ensure the accuracy of calibration, the ALCOSIM maintains the temperature of Alcohol Reference Solution (ARS) at 34 ºC ± 0.02 ºC.

ALERT™ J5 - Professional breathalyser

The ALERT™ J5 combines everything you need in a breathalyser: Precision, convenience and speed. All ALERT™ J5 devices use fuel cell sensors to guarantee accurate test results and cater to law enforcement. This multifunctional breathalyser provides results within 30 seconds. You can also store results on the device and print them using Bluetooth printer.

Each ALERT™ J5 breathalyser kit includes 2 AA batteries, DC adapter, 5 mouthpieces, Bluetooth printer, AC printer charger , 1 roll of printer paper, an instruction manual and a durable carry case.

DRIVESAFE™ exec - Personal breathalyser

The DRIVESAFE™ exec personal breathalyser combines both portability and accuracy. Developed with a fuel cell sensor, the DRIVESAFE™ exec guarantees fast results and high quality sampling. Its lightweight design makes it easy to carry anywhere.

Each DRIVESAFE™ exec breathalyser comes fully equipped with 2 AA alkaline batteries, an instruction manual, a protective carry case and 5 mouthpieces.

DRIVESAFE™ express - One time use breathalyser

Our disposable DRIVESAFE™ express breathalyser is a fast and affordable way to measure your breath alcohol concentration level. It is easy to use and provides accurate results.

Each DRIVESAFE™ express breathalyser comes with instructions on the package.

ALCOLOCK™ V3 - Ignition Interlock

Commercial use:
Work environments can be demanding. The ALCOLOCK™ V3 ignition interlock is engineered to withstand vibration, dirt, dust, humidity and extreme temperatures typically found in commercial applications.
A vehicle operator must provide a successful breath test before the engine can be started. All testing information can be uploaded into the CITE application, where it can be stored, tracked and used to generate reports.
Private Use:
The ALCOLOCK V3 ignition interlock can be leased for use in private vehicles. Available for install in any motorized vehicle or machinery. A vehicle operator must provide a successful breath test before the engine can be started.
Leasing options include monthly plans and rent to own programs.


ASC has earned TS 16949, ISO9001 and ISO 14001 certifications to ensure the highest quality of our products

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