OXYONE Oxygen Monitor USB Rechargeable

Measures oxygen up to 100%
Also measures humidity and temperature
Rechargeable via USB for repeated use
Includes an alarm function for low oxygen levels.

Used only a few times last year.

(Reference Price) Rakuten: ￥36,980

Product Name: Oxygen Monitor Nevoton oxy1
Model Number: oxy1
Dimensions: Height 20cm x Width 6.1cm x Depth 3.2cm
Detection Target: Oxygen (O2)
Measurement Range: 0-100% Oxygen Concentration
Output Resolution: 0.10%
Accuracy: ±3% of full scale or better
Temperature Range: -10℃ to 50℃
Humidity Range: 1% to 99% Relative Humidity (non-condensing)
Accessories: Lithium battery
Manufacturer: KRB Tec, Co. Ltd.
Response Time: Within 15 seconds
Recovery Time: Within 15 seconds
Measurement Technology (Sensor Principle): Electrochemical (Galvanic Cell) (EC)
Display: Large segment LCD display
Alarm Mode: Dual alarm with buzzer and warning lamp
Alarm threshold is adjustable. Alarm buzzer can be turned ON/OFF.
Power Source: 3.7V rechargeable lithium battery
Lithium-ion Battery Electrical Specifications: 3.7V, 1000mAh, 3.7Wh/L (PSE exempt)
Charging Method: USB cable charging
Usage Time: 90 hours (continuous use)
Operating Temperature Range: -10℃ to 50℃
Operating Humidity Range: 0-95% Relative Humidity (non-condensing)