TSI QUEST QUESTEMP -34 AREA HEAT STRESS MONITOR.-Dry bulb, wet bulb and globe temperatures.-WBGT (indoor index).-WBGT (outdoor index).-Heat index / HUMIDEX.-Temperature reading: Celsius or Fahrenheit.-Data logging intervals: 1, 2, 5, 10, 15, 30 or 60 minutes.-Time & date stamping with clock and calendar.