Rosemount 751, Справочное руководство

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16
Reference Manual
00809-0100-4378, Rev CE
Appendix A: Reference Data
February 2014
Reference Data
A.3 Analog meter specifications
A.3.1 Functional specifications
Input signal

4–20 mA dc

10–50 mA dc

40–200 mV
Note
Maximum series resistance is ten ohms for ammeters.
Meter indication
0 to 100% linear scale
0 to 100% flow scale
Special optional ranges
Overload limitation
150% of rated end scale value for two minutes
Temperature limits
-40 to 65 °C (–40 to 150 °F)
Humidity limits
0 to 100% relative humidity
Zero adjustment
Adjustment screw on face of meter
A.3.2 Performance specifications
Indication accuracy
±2% of calibrated span
Temperature effect
Less than 2% of full scale at any point within the temperature limits
A.3.3 Physical specification
Meter size
2 1 /
4
-inch diameter face with 2-inch long scale