Analog

Dial

Digital

LCD

LED

Light Indicator

Paper Chart

Scale

Air Conditioners

Dehumidifiers

Diesel Fuel Systems

Fans

Gasoline Fuel Systems

Heaters

Humidifiers

HVAC Systems

Hydraulic Systems

Water Systems

Air

Less than 100° F

100° F to 124.9° F

125° F to 149.9° F

150° F to 249.9° F

250° F or greater

Less than 50° C

50° C to 59° C

60° C to 74° C

75° C to 249° C

250° C or greater

Beaufort

Celsius

Fahrenheit

Feet per Minute

Inches of Mercury

Kilometers per Hour

Knots

Meters per Second

Miles per Hour

Millibars

Millimeters of Mercury

Ohms

Relative Humidity

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

3A992

EAR99

1"

1 3/8"

1 9/16"

1 5/8"

1 7/8"

2"

2 1/4"

2 5/16"

2 1/2"

2 5/8"

2 11/16"

2 3/4"

2 7/8"

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"

9 3/8"

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%

1 11/32"

1 9/16"

2"

2 3/8"

2 1/2"

2 11/16"

2 7/8"

2 15/16"

3"

3 1/4"

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"

5%

10%

15%

20%

30%

40%

50%

60%

Bottle

Can

Case

Jar

Jug

Packet

DIN Rail

Duct

Enclosure

Outlet Box

Panel

Pipe

Through Wall

Wall

6 hr.

24 hr.

7 day

Accuracy Certificate

Calibration Certificate Traceable to NIST

-25° F or less

-24° F to -1° F

0° F to 24° F

25° F to 49° F

50° F or greater

-40° C or less

-39° C to -25° C

-24° C to -12° C

-11° C to -1° C

Greater than 0° C

Direct Reading

Remote Reading

1

1 1/2

2

3

4

6

4"

6"

8"

±1%

±2%

±2.5%

±3%

±3.5%

±4%

±5%

±9%

±10%

20V AC to 30V AC

24V AC to 30V AC

100V AC to 240V AC

120V AC

208V AC

240V AC

8V DC to 15V DC