Description
The Cooper Atkins SRH77A-E is a professional temperature and humidity meter designed for HVAC diagnostics, refrigeration service, and environmental monitoring. This thermistor-based instrument measures temperature, relative humidity, and wet-bulb conditions to help technicians evaluate indoor air quality and system performance. The meter features a measurement range of −40° to 300°F and humidity capability from 10% to 95% RH. Designed for field service applications, it includes multiple probes for air, pipe, and humidity measurements and provides accurate readings for superheat calculations, system commissioning, and facility maintenance monitoring.
Key Features
- Temperature measurement range: −40° to 300°F (−40° to 150°C)
- Humidity measurement range: 10% to 95% relative humidity
- Temperature accuracy: ±0.3°F or ±0.5% of reading
- Wet-bulb temperature range: 0° to 130°F
- Backlit LCD display with min/max memory and constant scan feature
- Powered by one 9V battery
