Oxygen monitor (with automatic atmospheric compensation function) JKO-AS3 1 piece

The automatic "atmospheric correction" function eliminates the need for correction. It is equipped with a barometric pressure sensor, which prevents malfunctions caused by changes in air pressure due to typhoons, etc. The "Maintenance Notification" function will notify you of inspection due dates. "Sound ON/OFF" can be selected (alarm contact ON/OFF can also be set) and it can be used for concentration measurement only. Sensor specifications: Built-in type Power supply: AA batteries Detection principle: Galvanic cell type Resolution: 0.1% Accuracy: ±0.5% (0.0-25.0%), ±3.0% (25.1% or more) Measurement range: 0 to 100% Response time: Within 20 seconds (90% response) Size: 82 x 38 x 145mm Alarm: Electronic buzzer, 2 red LEDs External output: Alarm output, analog output (0 to 1 VFS) Power supply: 4 AA batteries (included for testing) Weight: 315g