Extech RH390 Precision Psychrometer with Humidity Temperature Dew Point and Wet Bulb Dual Probe Digital Meter with High Accuracy Fast Response Large LCD Display

Professional Precision in Every Reading Measures relative humidity ambient temperature dew point and wet bulb with high accuracy giving technicians confidence in every inspection or field test Dual Probe Advantage for Versatility Includes both builtin and external probes for simultaneous readings in multiple locations making it ideal for HVAC diagnostics laboratories and building inspections Fast Response Time That Saves You Work Hours Designed with advanced sensors to deliver rapid stable results in seconds so you spend less time waiting and more time troubleshooting and reporting Clear Display for Smarter Decisions Large backlit LCD shows multiple parameters at once even in dim conditions helping professionals quickly compare values without juggling separate devices Rugged Portable and Ready for the Field Compact handheld design with protective case ensures durability while battery power and data hold functions make it convenient for onsite and outdoor use.