Environmental Meters | McMaster-Carr

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Display Type

Measurement Unit

Feet per Minute

Inches of Mercury

Kilometers per Hour

Meters per Second

Millimeters of Mercury

Measures

Differential Pressure

Relative Humidity

Probe Type

Wireless Sensor

Relative Humidity Accuracy

Barometric Pressure Accuracy

-0.05 in. Hg to 0.05 in. Hg

-0.045 in. Hg to 0.045 in. Hg

-0.03 in. Hg to 0.03 in. Hg

-1.14 mm Hg to 1.14 mm Hg

-1.5 mbar to 1.5 mbar

-0.05 mm Hg to 0.05 mm Hg

-0.05 mbar to 0.05 mbar

Mounting Hole Diameter

Mounting Location

Minimum Temperature

-25° F or less

-24° F to -1° F

10° F to 24° F

25° F or greater

-25° C or less

-24° C to -15° C

-14° C to -10° C

Greater than -10° C

Certificate Type

Accuracy Certificate

Calibration Certificate

Airflow Speed

0 fpm to 7,000 fpm

30 fpm to 400 fpm

0.39 kn to 30 kn

40 fpm to 3,300 fpm

40 fpm to 3,900 fpm

40 fpm to 3,940 fpm

40 fpm to 5,900 fpm

0.4 kn to 30 kn

0.5 mph to 30 mph

0.5 mph to 40 mph

0.5 mph to 45 mph

60 fpm to 3,900 fpm

60 fpm to 5,904 fpm

60 fpm to 6,900 fpm

0.6 kn to 58.3 kn

0.6 kn to 68 kn

0.7 mph to 67 mph

0.7 mph to 78.2 mph

Maximum Temperature

RoHS

Compliant with Exemptions

Minimum Dew Point

REACH

DFARS Specialty Metals

Color

Meter Style

Telescoping Tube

Export Control Classification Number (ECCN)

Batteries Included

Graduations

Maximum Barometric Pressure

Relative Humidity

Height

Lens Material

Housing Material

Stainless Steel

How can we improve?

128 Products

Measuring and Inspecting

Barometers

Measure atmospheric pressure changes

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Light Meters

Measure light quality and intensity

Airflow Meters

Measure airflow in duct, air filters, exhaust hoods, and other air applications

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Multimeters

Take current, voltage, resistance, and other electrical measurements

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Sound Level Meters

Sound Level Meters

Measure noise levels to determine if an area requires hearing protection

Safety Equipment

Sound Level Monitors

Sound Level Monitors

Continuously measure ambient sound levels to confirm they fall within your programmed thresholds

Earplug Fit Testers

Earplug Fit Testers

Confirm your earplugs deliver the right level of hearing protection

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)