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This professional hygrometer features fast-response relative humidity and temperature sensors with exceptional precision. Others charge considerably more for ±2% RH accuracy. The well-designed DT-3321 feels good in the hand. It's compact, lightweight and easier-to-use than other hygrometers, pyschrometers and humidity meters.
For more advanced measurements select display units for dew point, wet bulb, and mixing ratio using the side buttons. With a dual display you can measure humidity (relative or absolute) and simultaneously display dew point, wet bulb, or ambient temperature. A large backlit display gives you a convenient display of all readings even in darker locations.
The DT-3321 includes HOLD and MIN/MAX functions. The 10 minute auto-off saves battery life. Disable the auto-off for continuous measurement. You won’t find a more accurate humidity meter for this price. Competing units sell for $170 to $250. The DT-3321 is only
including the carrying case. If humidity matters to your work, you'll be glad you chose the DT-3321.
| Specifications |
Humidity
|
Temperature
|
Dew Point Temp
|
Wet Bulb Temp
|
Mixing Ratio
|
| Range |
0 to 100% RH
|
-22 to 199°F
(-30 to 100°C)
|
-22 to 199°F
(-30 to 100°C)
|
32 to 176°F
(0 to 80°C)
|
0 to 500GPK,
0 to 3500GPP
|
| Resolution |
0.1%RH
|
±0.1°F/C
|
±0.1°F/C
|
±0.1°F/C
|
0.1GPK / GPP
|
| Accuracy |
to ±2%RH
|
±0.9°F/0.5°C
|
±1.8°F/1°C
|
±1.8°F/1°C
|
±3%GPK, ±3%GPP
|
| Display |
Dual LCD, 0.5s update
|
| Response |
<15s (90% of value in moving air)
|
| Battery |
3 x AAA, 48 hours continuous use
|
| Size |
2.5 (W) x 9.4 (H) x 01.1 (D) inches
63 (W) x 240 (H) x 28 (D) mm
|
| Auto Shutoff |
After 10 minutes (can be disabled by user)
|
| Weight |
7 oz / 200 g
|
| Includes |
3 x AAA 1.5V batteries, storage case
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| User Manual |
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| To Order |
| DT-3321 |
Precision Hygro-Thermometer |
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| Calibration Options (Includes NIST-Traceable Certificate) |
| CAL-RH2Pt |
NIST-Traceable RH Calibration Certificate,
2 points (30% & 60%), includes single temperature
at ambient. |
|
| Each meter is tested individually at the specified points and actual test data is provided on the NIST-Traceable Report of Calibration. |
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Handheld Operation
Convenient side buttons make the
DT-3321 an easy unit to operate.

Large Dual Display
Simultaneously display humidity
and your choice between temperature, dew point, or wet bulb.
Large display with backlight.

Storage Case
Foam-lined storage case included.
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