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 In
fl
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
