Indoor Air Quality Meter Specifications Range Resolution Accuracy Air Temperature: rr Relative Humidity: 365 nm 280 to 400 nm Dew Point: 1 µW/cm2 to 40.00 mW/cm2 Wet Bulb Temperature: 1 µW/cm2 to 0.01 mW/cm2 CO2: ±4% ±1 digit (at 23° C ±5°)

This convenient, low-cost portable meter allows you to measure pH, electrical conductivity, and total dissolved solids with just one instrument and a single probe. The probe’s fiber junction pH electrode reduces cross contamination. Easy-to-use, practical, and accurate, this meter is ideal for classroom, laboratory, or field use.

Meter comes complete with the combination pH/EC/TDS probe, 20-mL sachet of 7.0-pH buffer solution, 20-mL sachet of 1,413-µS/cm calibration solution, 20-mL sachet of 1,382-ppm calibration solution, 9-V battery, and instructions.