Electrochemical breathalyzer blue

Description: Electrochemical breathalyzer 3-digit LCD display Advanced fuel cell sensor Measuring range: 0.00 ~ 4.00 Display resolution: 0.01 Accuracy: +/- 0.05 for 1.0 at 25°C Measurement units (per mille) Preparation time less than 25 seconds Measurement time from 3 to 22 seconds Exhalation time approximately 4 seconds Power supply 2 x 1.5V alkaline AAA batteries Operating conditions 0 ~ 40°C, humidity < 95%RH Dimensions 45 x 111.5 x 19.8 mm Breathalyzer weight 58.8 g (without battery) Recommended calibration signaling function Free 12-month calibration or 500 measurements* 24-month warranty | Sensor: Semiconductor | Measurement range (min): 0 | Measurement range (max): 4 | Measuring accuracy: 0.05 | Preparation time: 0 | Measuring time: 3 | Display: 3-digit LCD display | Power: Batteries / rechargeable AAA | Color: Azure | Weight: 58.8