Data Logging Indoor Air Quality Meter – 0 – 1000 ppm, 32°- 122° F ( 0° – 50° C ), 5% – 95% RH, <18% O₂, 4-Digit Dual LCD, 6 AA Batteries, AC Adapter (Not Included), CE
Data Logging Indoor Air Quality Meter with ISO Certificate – 0 – 1000 ppm, 32°- 122° F ( 0° – 50° C ), 5% – 95% RH, <18% O₂, 4-Digit Dual LCD, 6 AA Batteries, AC Adapter (Not Included), CE
Data Logging Indoor Air Quality Meter with ISO Certificate – 0 – 30000 ppm, ‘-4°- 140° F ( -20° – 60° C ), 0% – 100% RH, ±1.5°F (±0.8°C), 0.1°F/°C, ±3% (10 to 90% RH), ±5% (90%), 0.1% RH