lutron 7-in-1 environmental conditions meter (em-1910).

• measures:
  • sound
  • light
  • dew point
  • wet bulb
  • heat index
  • humidity/temperature
  • type k temperature (with optional probe).
• compact bone shape case design makes it easy to handle with one hand.
• high precision humidity sensor with fast response time.
• built- in microprocessor circuit assures excellent performance and accuracy.
• memorize the maximum and minimum value with recall.
• ° f / ° c switchable by pressing button on the front panel.
• hold function to freeze the current reading value.