Verifiable

Alcovisor Mars SELFY vs Alcovisor Metrology: which to choose?

In short: Pick Alcovisor Mars SELFY when phone connection matters most; pick Alcovisor Metrology when a lower price (€7.26 less) matters most.

Alcovisor Mars SELFYRemote employee testing with photo€199.65

Choose Alcovisor Mars SELFY if you value:

phone connection
a photo of the person tested
Lithuanian menu
larger memory (100 records)
lighter (98 g)

Mars SELFY is a pocket breathalyzer listed in the Lithuanian register of measuring instruments. Through the app it photographs the person during the test and sends the result to a supervisor – ideal for staff working off-site.

Alcovisor MetrologyMost affordable verifiable model€192.39

Choose Alcovisor Metrology if you value:

a lower price (€7.26 less)

Metrology is our simplest and most affordable model that can be metrologically verified. One-button operation; right for a small company that must back up results officially but needs no memory or printing.

Comparison table

Show differences only

Parameter	Alcovisor Mars SELFY	Alcovisor Metrology
Price	€199.65	€192.39
Best for	Remote employee testing with photo	Most affordable verifiable model
Sensor	Fuel-cell sensor	Fuel-cell sensor
Accuracy	0,00–4,5 ‰: ±10 %	0,00–1,00 ‰: ±0,1 ‰; ties 1,0 ‰: ±10 %
Range	0–4,5 ‰	0–4,0 ‰
Response time	≤ 5 s	—
Memory	100 records	None
GPS	No	No
Bluetooth	Yes	No
App	Alcovisor Elite	No
Passive test	No	No
Printer	None	None
Verification	Yes	Yes
Menu	Lithuanian menu	—
Power	Li-ion 400 mAh · up to 700 tests	2 × AA
Weight	98 g	130 g
Warranty	jutikliui 24 mėn. (nekomercinei veiklai)	jutikliui 24 mėn. (nekomercinei veiklai)
Calibration	Recommended every 6 months	Recommended every 6 months