The DTM-550A is a high-performance temperature and humidity meter suitable for HVAC systems, environmental monitoring, and laboratories, offering reliable dew point and wet bulb measurement capabilities. With a high accuracy of ±0.3°C at 25°C / ±1.6°F, it ensures precise readings for critical environmental parameters. TECPEL CO., LTD., a Taiwan-based leader in electronic test and measurement instruments since 1990, proudly provides this advanced tool to meet the demanding needs of professionals. The DTM-550A’s reliable dew point and wet bulb temperature measurement features make it an essential asset for maintaining optimal environmental conditions.
 
Measurement Specification
Temperature Accuracy : ±0.3°C at 25°C / ±1.6°F
Temperature : -20°C to 60°C
Humidity : 0% to 100% RH ±3% RH
Resolution : 0.1°C / 0.1% RH
Operating Environment : Temperature 0°C to 40°C, Humidity below 80% RH non-condensing
Storage Conditions : Temperature -10°C to 60°C, Humidity below 70% RH
Product Features
Fast Response Time : yes
Auto Power-Off : yes
MAX/MIN Recording : yes
Dual LCD Display : yes
Product Information
Dimensions : 240 mm × 54 mm × 34 mm
Weight : Approximately 220 g
Power Supply : 9V battery (included)