Reed Instruments Data Logging Heat Stress Meter with NIST Certificate, 0 to 50°C (32 to 122°F), 0° - 59°C (32° - 138°F), 5% - 95% RH (R6250SD-NIST)

Data Logging Heat Stress Meter with NIST CertificateMeasures temperature, humidity, dew point, wet bulb, black globe, indoor/outdoor WBGTWet Bulb Globe Temperature (WBGT) considers the effects of temperature, humidity and direct or radiant sunlightIn/out function displays the WBGT value with or without direct sun exposureReal-time data logger with integral SD memory cardTemperature is measured in °C or °FBlack Globe Temperature (TG) monitors the effects of direct solar radiation on an exposed surfaceAdjustable audible alarmData hold and min/max functionsUser selectable sampling rate from 1 to 3600 secondsEasy-to-read backlit LCD displayTripod mount for long-term monitoringLow battery indicator and auto shut-off after 10 minutes