Product Overview
The Lennox Y7843 Amprobe TH-1 Relative Humidity Meter is a compact, professional grade digital hygrometer designed for accurate measurement of relative humidity RH and ambient temperature in residential and commercial environments. Built for HVAC technicians, facility maintenance teams, and indoor air quality professionals, this portable humidity meter delivers fast, reliable readings to help diagnose moisture related issues and verify system performance.
Whether you are commissioning a new HVAC system, troubleshooting comfort complaints, or evaluating indoor air quality, the Amprobe TH-1 provides precise humidity and temperature data in a lightweight, easy to carry design.
Key Features
• Accurate relative humidity measurement for HVAC diagnostics and IAQ testing
• Simultaneous temperature display for complete environmental analysis
• Clear digital screen for quick, easy field readings
• Compact and lightweight handheld design
• Ideal for residential, commercial, and light industrial applications
• OEM quality professional service tool
Professional HVAC and Indoor Air Quality Testing
Maintaining proper indoor humidity levels is critical for system efficiency, occupant comfort, and mold prevention. The Lennox Y7843 Amprobe TH-1 hygrometer helps technicians
• Verify humidifier and dehumidifier operation
• Check return and supply air conditions
• Diagnose condensation and moisture complaints
• Confirm proper indoor air balance
• Support preventive maintenance inspections
Accurate humidity measurement is essential when evaluating short cycling, comfort inconsistencies, or potential air quality issues. This tool helps ensure your HVAC system is operating within recommended environmental parameters.
Durable and Field Ready Design
Designed for real world service conditions, the Amprobe TH-1 Relative Humidity Meter features a durable handheld housing that fits comfortably in your hand or tool bag. Its portable size makes it an essential addition to any technician’s service kit, whether working in mechanical rooms, attics, crawlspaces, or occupied living areas.
Product Specifications
Brand Amprobe
Lennox Catalog Number Y7843
Model TH-1
Product Type Relative Humidity Meter Digital Hygrometer
Measurement Functions Relative Humidity RH and Temperature
Application HVAC Service Indoor Air Quality Testing Environmental Monitoring
Base Unit of Measure Unit(s)
Ideal For
• HVAC contractors
• Service technicians
• Facility maintenance teams
• Property managers
• Indoor air quality professionals
• Residential and commercial diagnostics
The Lennox Y7843 Amprobe TH-1 Relative Humidity Meter is a dependable, professional HVAC testing tool engineered to deliver accurate humidity and temperature readings for system verification and indoor air quality monitoring. Add this essential digital hygrometer to your service equipment and ensure precise environmental measurement on every job.