Description
The Cooper Atkins SRH77A-E-032 is a professional temperature and humidity thermistor instrument designed for HVAC diagnostics, refrigeration service, and environmental monitoring applications. This multi-zone meter measures temperature, relative humidity, and wet-bulb conditions simultaneously for evaluating indoor air quality, system performance, and moisture control. With a measurement range of −40° to 300°F and humidity capability from 10% to 95% RH, the SRH77A-E-032 provides accurate readings for superheat calculations, return-air wet bulb testing, and humidity verification. The handheld instrument features a backlit LCD display, min/max memory tracking, and durable polyethylene housing for field technicians.
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 (±0.2°C) or ±0.5% of reading
- Humidity accuracy: ±2% RH (20–80% RH), ±3% outside that range
- Resolution: 0.1° temperature / 1% RH
- Backlit LCD display with min/max memory tracking
- Powered by one 9V battery with auto shut-off
