DT722 User’s Manual
Michell Instruments 5
APPENDIX A
Appendix A Technical Specifications
Performance
Measurement Range (RH) 0–100% RH
Measurement Range (T) -40 to +150°C (-40 to +302°F)
Accuracy at 25°C (77°F)
Humidity
<±2% RH (5-95% RH)
Accuracy at 25°C (77°F)
Temperature
±0.2°C (±0.36°F) typical
Stability – RH Sensor ±1% RH/year
Response time – RH Sensor <10 sec typical (for 90% of the step change)
Electrical Specifi cations
Output Signal 4-20 mA
Supply Voltage 8 to 32 V DC
Supply Voltage Infl uence ±0.01% RH/V typical
Operating Specifi cations
Operating Humidity
Probe, Housing, Storage
10 to 95% RH (non-condensing)
Operating Temperature
Probe
Housing
Storage
-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 Specifi cations
Ingress Protection IP65 (NEMA 4 level)
Housing Material Stainless steel
Dimensions Refer to
Figure 4
- Dimensions
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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