AZ Instrument 7729 Digital CO2, Temp & Humidity Monitor

The AZ Instrument 7729 is a state-of-the-art indoor air quality monitor, engineered to provide accurate, real-time diagnostics of CO2 concentration, ambient temperature, and relative humidity. Utilizing high-precision NDIR (Non-Dispersive Infrared) waveguide technology, this device is an essential asset for managing health and comfort in public spaces like schools, exhibition halls, and corporate offices. Its standout feature is the 22 cm long 3-color light bar, which shifts from green to yellow to red, providing a clear visual indication of CO2 hazards from a distance.

The 7729 features a super-large LED display and a sleek touch-sensitive panel for intuitive programming. To ensure long-term stability and eliminate sensor drift, it incorporates Automatic Background Calibration (ABC). Powered by a USB Type-C port and designed for professional wall mounting, the AZ Instrument 7729 is the definitive standard for facility managers seeking a combination of laboratory-grade optical precision and modern, user-friendly industrial design.

Technical Specifications:

• Brand / Model: AZ Instrument 7729

• CO2 Range: 0 ~ 9999 ppm

• CO2 Accuracy: ±50 ppm ±5% of reading (0~2000ppm)

• CO2 Sensor: High-precision NDIR waveguide technology

• Temperature Range: -10.0 to 60.0℃ (Accuracy: ±0.6℃)

• Humidity Range: 0.1% to 99.9% RH (Accuracy: ±5% RH)

• Visual Alarm: 22 cm 3-color LED bar (Green / Yellow / Red)

• Calibration: Automatic Background Calibration (ABC) for drift compensation

• Power Source: 5VDC USB Type-C Port

• Dimensions / Weight: Wall-mounted design / 450 g

• Standard Package: Meter, Manual, USB Type-C cable, and Hanging accessories.