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Parameter	Alcovisor Metrology	Alcovisor Mercury
Price	€192.39	€453.75
Best for	Most affordable verifiable model	For frequent employee testing
Sensor	Fuel-cell sensor	Fuel-cell sensor
Accuracy	0,00–1,00 ‰: ±0,1 ‰; ties 1,0 ‰: ±10 %	0,01–1,0 ‰: ±0,05 ‰; virš 1,0 ‰: ±5 %
Range	0–4,0 ‰	0–5,5 ‰
Response time	—	—
Memory	None	16 000 records
GPS	No	Yes
Bluetooth	No	Yes
App	No	No
Passive test	No	Yes
Printer	None	Connectable (optional)
Verification	Yes	Yes
Menu	—	Lithuanian menu
Power	2 × AA	4 × AA; 12 V / 6 V adapteris · up to 3 000 tests
Weight	130 g	256 g
Warranty	jutikliui 24 mėn. (nekomercinei veiklai)	24 mėn., taip pat jutikliui
Calibration	Recommended every 6 months	Recommended every 6 months

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Alcovisor Metrology €192.39 Alcovisor Mercury €453.75