Monitor and improve indoor air quality with the AJAX LifeQuality Jeweller Wireless Temperature, Humidity, and CO₂ Monitor (White). Designed for smart security ecosystems, this advanced environmental sensor delivers real-time measurements of temperature, humidity, and carbon dioxide levels while integrating seamlessly with the Ajax security system. With long-range wireless communication, encrypted data transmission, and smart automation capabilities, the AJAX#46502 LifeQuality Jeweller helps maintain a healthier indoor environment in homes, offices, schools, and commercial spaces.

The LifeQuality Jeweller sensor continuously tracks air quality conditions, providing accurate readings and visual LED indicators when CO₂ levels rise or comfort conditions change. Through Ajax apps, users can access live data, historical charts for up to 2 years, and automation scenarios that trigger ventilation or HVAC systems when environmental conditions deteriorate.

What’s Included in the Box

• AJAX LifeQuality Jeweller Sensor – White

• SmartBracket Mounting Panel

• 2 × CR123A Batteries (Pre-installed)

• Installation Kit

• Quick Start Guide

Main Features

• 3-in-1 Environmental Monitoring – Measures temperature, humidity, and CO₂ levels.

• Jeweller Wireless Technology – Secure long-range communication up to 1,700 m in open space.

• Encrypted Data Transmission – Block encryption with dynamic key protection.

• Real-Time Air Quality Monitoring – Instant updates in the Ajax mobile app.

• LED Air Quality Indicator – Visual alerts for air quality levels.

• Automation Scenarios – Integrate with HVAC or ventilation systems automatically.

• Long Battery Life – Up to 3 years of operation.

• Advanced Sabotage Protection – Built-in accelerometer detects movement or tampering.

• Automatic CO₂ Calibration – Self-calibrates every 1–14 days.

• Indoor Placement Flexibility – Can be mounted or placed on a desk or shelf.

Detailed Specifications

Communication Technology

• Protocol: Jeweller proprietary wireless technology

• Two-way communication

• Radio signal range: Up to 1,700 m (open space)

• Radio signal modulation: GFSK

• Frequency bands (region dependent):

  • 866.0–866.5 MHz

  • 868.0–868.6 MHz

  • 868.7–869.2 MHz

  • 905.0–926.5 MHz

  • 915.85–926.5 MHz

  • 921.0–922.0 MHz

• Maximum ERP: Up to 20 mW

Environmental Monitoring

Temperature Sensor

• Measurement range: 0°C to +50°C

• Accuracy: ±0.2°C

• Measurement step: 0.1°C

• Comfort range: 14–21°C

Humidity Sensor

• Measurement range: 0–100% RH

• Accuracy: ±1.8%

• Measurement step: 1%

• Comfort range: 30–60%

CO₂ Sensor

• Measurement range: 400–10,000 ppm

• Accuracy: ±30 ppm or ±3% (<5000 ppm)

• Measurement step: 1 ppm

Air Quality Indicators

• Normal: up to 1000 ppm

• Moderately polluted: 1000–1400 ppm

• Polluted: 1400–2000 ppm

• Critically polluted: 2000+ ppm

Additional Features

• Real-time charts in Ajax apps

• Data storage: Up to 2 years

• Backup memory: Up to 3 days

• Automatic CO₂ calibration: 1–14 days

• Manual calibration via Ajax apps

Security & Tamper Protection

• Accelerometer tamper detection

• Device authentication (anti-spoofing)

• Communication loss detection: within 36 seconds

Power

• Power supply: 2 × CR123A batteries

• Battery life: Up to 3 years

• Approx. 2.5 years with LED indication and accelerometer active

Physical Specifications

• Dimensions: 77 × 77 × 34.5 mm

• Weight: 127 g

• Operating temperature: 0°C to +50°C

• Operating humidity: Up to 85%

• Protection rating: IP50

• Colour: White

Practical Use Scenarios

• Smart Homes – Monitor air quality and automate ventilation systems.

• Offices & Workspaces – Maintain healthy indoor air conditions for staff productivity.

• Schools & Classrooms – Track CO₂ levels to ensure proper ventilation.

• Healthcare Facilities – Monitor environmental conditions for patient comfort.

• Commercial Buildings – Automate HVAC systems based on real-time air quality data.

Warranty

2-Year Manufacturer Warranty

Brand – Ajax Systems

Ajax Systems is a globally recognized manufacturer of professional smart security and automation solutions, known for advanced wireless technologies, secure encrypted communication, and user-friendly smart ecosystem integration. Ajax products combine award-winning design, reliability, and innovative engineering to deliver professional-grade security and environmental monitoring solutions.

Datasheets & Resources

• Technical specifications

  User manual

  Demo & Tips for engineers and PRO users

  Technical data sheet
  
  

Excellence for the Australian and New Zealand Market

This product is supplied specifically for Australia and New Zealand, ensuring compatibility with regional wireless frequency regulations and installation standards. Our products are sourced exclusively through authorised brand distributors, guaranteeing authenticity, firmware compatibility, and manufacturer warranty support. All warranty claims and technical assistance are handled directly with the official brand representatives, ensuring reliable service and support for professional installers and end users.

SKU

AJAX#46502

FAQs

What does the AJAX#46502 LifeQuality Jeweller sensor measure?

The AJAX#46502 LifeQuality Jeweller monitors indoor temperature, humidity, and carbon dioxide (CO₂) levels to provide a complete picture of air quality in homes or commercial spaces.

How far can the AJAX#46502 communicate with the Ajax hub?

The AJAX#46502 uses Jeweller wireless technology with a communication range of up to 1,700 meters in open space between the detector and the hub or range extender.

How long do the batteries last in the AJAX#46502 sensor?

The AJAX#46502 LifeQuality Jeweller can operate for up to 3 years on two CR123A batteries, depending on configuration settings.

Can the AJAX#46502 trigger automation scenarios?

Yes. The AJAX#46502 can activate automation scenarios such as turning on ventilation or HVAC systems when CO₂ levels or humidity exceed configured thresholds.

Does the AJAX#46502 require manual calibration?

The AJAX#46502 features automatic CO₂ sensor calibration every 1–14 days, but manual calibration can also be performed in the Ajax mobile app if needed.

Is the AJAX#46502 suitable for outdoor use?

No. The AJAX#46502 LifeQuality Jeweller is designed for indoor environments only with an IP50 protection rating.