Join our Mailing List

Online Payments

Products & Equipment: The Micro Store

Micro Store -> Inspection Tools & Equipment -> Air Flow Meters - Vane -> Extech 45170 4-in-1 Environmental Meter

Extech 45170 4-in-1 Environmental Meter

(Click to enlarge)

Pocket size rugged 4-in-1 meter for Humidity, Temperature, Air Velocity and Light.


  • Ergonomic pocket size housing with large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity
  • Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light Mode
  • Data Hold to freeze the displayed value
  • Records Min/Max readings
  • Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots
  • Built-in precision thin-film capacitance humidity sensor for fast response
  • Built in thermistor for ambient temperature measurements
  • High temperature measurements using Type K thermocouple
  • Utilizes precision photo diode and color correction filter
  • Cosine and color corrected light measurements
  • Auto power off, Low Battery and overrange indication
  • Complete with built-in Humidity sensor, Light sensor and Vane wheel, wrist strap, and 9V battery


  • Extech TP870 - Bead Wire Type K Temperature Probe (-40 to 482°F) with mini connector.


Available Options/Accessories

45170 4-in-1 Environmental Meter
Free Domestic Ground Shipping for this item!
Members: $194.00
Add To Cart
TP870 Bead Wire Type K Temperature Probe $15.99
Members: $15.52
Add To Cart
409992 Small Carrying Case $10.99
Members: $10.67
Add To Cart

Download Catalog

Looking for more products from Extech? We carry many more products than we are able to list on our website. Click here to download the full Extech catalog. Then contact us to place your order!

More photos of this item:

Popup image

(Click to enlarge)


Popup image

(Click to enlarge)