The Lennox Y7901 TS-100-6PK TempSmart Temperature and Humidity Data Logger set is a professional-grade environmental monitoring solution designed for HVAC technicians, facility managers, and building performance specialists. This 6-pack of compact Bluetooth-enabled data loggers allows simultaneous monitoring of temperature and humidity across multiple locations, making it ideal for diagnostics, commissioning, troubleshooting, and documentation.

Each TS-100 data logger wirelessly connects to a smartphone or tablet using the CPS Link mobile app, enabling real-time readings, historical data review, and automated report generation. The loggers accurately track dry bulb temperature, relative humidity, dew point, wet bulb, and “feels like” temperature, helping professionals verify system performance and indoor comfort conditions with confidence.

Built for portability and long-term monitoring, the TS-100 loggers feature internal memory capable of storing thousands of readings and are powered by long-lasting coin cell batteries. The included mounting accessories allow easy placement in air ducts, mechanical rooms, occupied spaces, or job sites, making this 6-pack a versatile solution for multi-zone monitoring.

 

Specifications:

Measurement type: Temperature and relative humidity
Calculated values: Dew point, wet bulb, feels like temperature
Connectivity: Bluetooth Smart (BLE)
Mobile app compatibility: iOS and Android (CPS Link app)
Data storage: Up to approximately 20,000 readings per logger
Temperature range: -4°F to 158°F (-20°C to 70°C)
Temperature accuracy: ±0.36°F (±0.2°C)
Humidity accuracy: ±3 percent RH (typical operating range)
Power supply: 3.6V CR2450 lithium coin cell battery
Mounting options: D-ring, key ring, alligator clip
Pack quantity: 6 data loggers

 

Applications:

HVAC system diagnostics and commissioning
Indoor air quality and comfort verification
Building envelope testing
Job site environmental documentation
Multi-room or multi-zone temperature and humidity monitoring