Emerson 7003M Manuel D’Utilisation

Page de 74
Operator Manual
748223-K
June 2002
4-6     Calibration and Adjustments
Rosemount Analytical Inc.    A Division of Emerson Process Management
Model 7003M
CARET
LIT
VALUE DISPLAYED
TYPICAL
VALUE
1
ADJUSTABLE
%
Raw Sensor Voltage
2
Yes
°C
Thermistor Voltage
2.43
No
-
3
Current Output
17.43
Yes
Use ARROW keys to make adjustments.
Table 4-7.
Caret Readings
                                                     
1
  These typical values were obtained under the following conditions:
O2 Concentration:
20.95%
Sensor Temperature:
26.07
°C
Current Output Range:
4-20mA
Range Endpoint, Low:
0%
Range Endpoint, High:
25%
Zero Offset Signal:
None
Pressure Compensation:
None
2
  Typical voltages for new sensors at 25
°C:
TYPE OF SENSOR
MINIMUM
NOMINAL
MAXIMUM
Disposable
1.05V
1.39V
1.69V
Rechargeable
0.97V
1.29V
1.76V
Near the end of the life of the sensor, the sensor voltage is typically 0.53V (disposable) or 0.48V (rechargeable).  At tempera-
tures (T) other than 25
°C, multiply the voltages above by (1.025)exp(T-25).
3
  "-" is a minus sign displayed on the left of the display between AL 1 and AL 2.