Extech 250W BLUETOOTH® Connected Environmental Meters

Extech 250W BLUETOOTH® Connected Environmental Meters include five meters that are compatible with the ExView Mobile App: the AN250W Anemometer, LT250W Light Meter, SL250W Sound Level Meter, RH250W Hygro-thermometer, and the RPM250W Laser Tachometer. Connect up to eight meters (of any combination) to measure and trend various parameters to help accurately diagnose environmental conditions and rotating equipment. These devices operate within a 0 to +40°C temperature range with a transmission distance of >10m up to 90m (within line of sight). 


  • Measures
    • AN250W Anemometer measures air velocity and temperature
    • LT250W Light Meter measures light intensity up to 100,000Lux with a 0.5-second measuring rate
    • PRM250W Laser Tachometer takes non-contact measurements of rotating objects
    • RH250W Hygro-Thermometer measures the relative humidity and air temperature simultaneously
    • SL250W Sound Meter measures sound levels from 30dB to 130dB with ‘A’ weighted frequency for human hearing
  • View data on both large LCD and from iOS® or Android™ mobile devices using the ExView app via BLUETOOTH®
  • Auto Power Off feature saves battery life
  • Bright backlit LCD or dual LCD
  • Freeze display with ‘data hold’
  • Tripod mount fits standard 1/4”-20 mounting screw
  • Complete with 3AAA (1.5V) batteries
  • ExView App
    • Transmit, view, and share data directly from a mobile device via BLUETOOTH®
    • Connect up to eight compatible Extech Connected 250W meters simultaneously
    • Set up alarm and data recording
    • Programmable high/low audible alarms
    • Export data in .csv file format
    • Create and send PDF reports including JPG photos of the measurement location with a connected smartphone or tablet camera
    • View app in day mode or dark mode for optimal user experience
    • Android or iOS downloads


  • Building diagnostics
  • Manufacturing
  • Electric power utilities
Veröffentlichungsdatum: 2021-10-04 | Aktualisiert: 2022-03-11