5%

10%

15%

20%

30%

40%

50%

60%

Analog

Dial

Digital

LCD

LED

Light Indicator

Paper Chart

Scale

Touchscreen

1"

1 3/8"

1 1/2"

1 9/16"

1 5/8"

1 7/8"

2"

2 5/16"

2 1/2"

2 5/8"

2 11/16"

2 3/4"

3"

3 1/16"

3 1/4"

3 3/4"

3 7/8"

3.9"

4"

4 3/4"

5 1/16"

6 1/4"

9 3/8"

Compliant

Not Compliant

1 11/32"

2"

2 3/8"

2 1/2"

2 11/16"

2 15/16"

3"

3 3/8"

3 3/4"

4"

4 1/4"

4 3/4"

4 7/8"

5"

5 3/16"

5 1/2"

6 7/16"

6 11/16"

7"

7 1/2"

8.3"

9 3/4"

10"

10 1/8"

Compliant

Compliant with Exemptions

Not Compliant

Direct Reading

Remote Reading

Exempt

3A992

EAR99

1.05"

1 27/64"

1.45"

Beaufort

Celsius

Fahrenheit

Feet per Minute

Kilometers per Hour

Knots

Meters per Second

Miles per Hour

Ohms

Relative Humidity

0% to 70%

0% to 95%

0% to 99.9%

0% to 100%

5% to 80%

5% to 95%

10% to 75%

10% to 90%

10% to 95%

10% to 99%

10% to 100%

14% to 95%

20% to 80%

20% to 90%

20% to 95%

25% to 95%

30% to 90%

Air Quality Index

Ambient Temperature

Barometric Pressure

Black Globe Temperature

Carbon Dioxide Level

Dew Point

Equivalent Carbon Dioxide

Heat Stress Index

Pressure

Relative Humidity

Resistance

Temperature

Total Volatile Organic Compound Concentration

Wet Bulb Temperature

Pie

Spot

Less than 100° F

100° F to 124.9° F

125° F to 149.9° F

150° F to 174.9° F

175° F or greater

50° C

55° C

60° C

65° C

70° C

75° C

80° C

85° C

Accuracy Certificate

Calibration Certificate Traceable to NIST

DIN Rail

Duct

Enclosure

Outlet Box

Panel

Pipe

Through Wall

Wall

Aluminum

Brass

Glass

Mineral Spirits

Plastic

Ruby

Stainless Steel

Triethyl Phosphate

Built-In

Removable

Wired Probe

Wireless Sensor

-25° F or less

-24° F to -1° F

0° F to 24° F

25° F to 44° F

45° F or greater

-50° C

-45° C

-40° C

-29° C

-20° C

-12° C

-10° C

-8° C

0° C

-10% to 10%

-9% to 9%

-5% to 5%

-4% to 4%

-3.5% to 3.5%

-3% to 3%

-2.5% to 2.5%

-2% to 2%

-1% to 1%

NPSM

NPT

UNEF

Aluminum

Brass

Plastic

Stainless Steel

Air Conditioners

Dehumidifiers

Fans

Heaters

Humidifiers

Air

ASTM D4417

ISO 19840

SAE AS26860 Type 2