3 In 1 Oxygen Meter With LCD Alarm Temperature Humidity

The 3 In 1 Oxygen Meter with LCD Alarm Temperature Humidity is a compact, multi-sensor monitor designed to keep you informed in real time. Equipped with industrial-grade sensors and a bright 2.8-inch TFT color display, it measures oxygen concentration, ambient temperature, and relative humidity, helping you safeguard spaces from low- or high-oxygen risks while maintaining comfortable conditions.

Designed for versatility, this portable oxygen detector is suitable for automobiles, schools, homes, hospitals, shopping malls, and more, delivering clear readings and reliable alarms when oxygen levels drift from your set thresholds.

Key features include a 0-30% O₂ range with 0.1% resolution, an adjustable alarm from 1% to 30%, a loud buzzer, a digital color change when the alarm triggers, and a data logging capacity of up to 100,000 records. It also supports scheduled data storage, data deletion, and viewing historical data for trend analysis.

The device offers brightness control from 5% to 100%, default 60%, with a screen saver that reduces brightness after 10 seconds; tapping any key restores to 60%. It also features a Celsius/Fahrenheit switch controlled by a long press, and a 2.8-inch TFT full-color LCD with LED backlight for easy viewing.

Product specifications

• Model: A8
• Color: Grey
• Material: ABS
• Display: 2.8 inch TFT full-color LCD with LED backlight
• O₂ Measurement Range: 0-30% Vol; Resolution: 0.1%
• Temperature Range: -9°C to 55°C
• Humidity Range: 0% to 100% RH
• Battery: 2500 mAh Li-ion
• Charging Voltage: 5.0 ± 0.5 V
• Display Size: 43.2 × 57.6 mm
• Display Resolution: 240 × 320
• Working Environment: -9°C to 55°C < 90% RH
• Item Size: 178 × 75 × 32 mm
• Item Weight: 200 g
• Package Weight: 332 g
• Package Size: 22.5 × 13 × 4 cm

Package includes:

• 1 × Oxygen Content Detector
• 1 × Type-C Charging Cable
• 1 × User Manual (English)

Warnings/Reminders

• Operate within the recommended environment: -9°C to 55°C and <90% RH.
• Use only the included Type-C charger.
• Do not disassemble the device; keep it out of reach of children.

Language support

English (User Manual).

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