The DT722 is a rugged industrial relative humidity and temperature transmitter designed for process applications where accurate, stable measurement and control of humidity and temperature is required.

Product Features

  • Designed for accurate measurement in a harsh environment
  • Can withstand temperatures up to 150°C
  • Stainless steel housing
  • Calculated moisture signal output, optional

Technical Specification

Measurement Range (RH) 0-100% RH
Measurement Range (T) -40 to +150°C (-40 to +302°F)
Accuracy at 25°C (77°F)
<±2% RH (5-95% RH)
Accuracy at 25°C (77°F)
±0.2°C (±0.36°F) typical
Stability - RH Sensor <±1% RH/year
Response Time <10 sec typical (for 90% of the step change)
Electrical output/input
Output Signal 4–20 mA
Supply Voltage 8–32 V DC
Supply Voltage Influence ±0.01% RH/V typical
Operating conditions
Operating humidity
Probe, housing, storage

10 to 95% RH (non-condensing)
Operating Temperature

-40 to +150°C (-40 to +302°F)
-20 to +70°C (-4 to +158°F)
-30 to +75°C (-22 to +167°F)
Mechanical specification
Ingress Protection Sensor IP65 (NEMA 4 level)
Housing Material Stainless Steel
Weight 200mm: 800g (7.87" / 28.22oz)
300mm: 900g (11.81" / 31.75oz)
500mm: 1040g (19.69" / 36.68oz)
900mm:1412g (35.43 / 49.80oz)
Electrical Connections 5 pin, M12

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