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Reference Manual
00809-0100-4027, Rev AA
December 2005
Rosemount 4500
A-2
Range and Sensor Limits
Functional
Specifications
Dynamic Performance
250 milliseconds (response time + dead time)
Ambient Temperature Effect per 50°F (28°C)
±0.2% CS ± 0.02% URL
Process Temperature Effect per 104°F (58°C)
±0.3% CS + 0.03% URL
Service
Liquid, gas, vapor, and steam applications
4–20 mA (output code A)
Zero and Span Adjustment
Zero and span values can be set anywhere within the range.
Span must be greater than or equal to the minimum span.
Output
Digital process variable superimposed on 4–20 mA signal, available to any
host that conforms to the HART protocol.
Power Supply
External power supply required. Standard transmitter
(4–20 mA) operates on 11.25 to 42.4 V dc with no load.
Load Limitations
Maximum loop resistance is determined by the voltage level of the external
power supply, as described by:
Rosemount 4500 Sanitary Pressure Transmitter Range Limits
Units
Range 1 AP Range 1 GP Range 2
min. max. min. max. min. max.
psi 0.60 30 0.6 30 10 150
kPa 4.14 206.8 4.136 206.8 68.94 1034
bar 0.041 2.068 0.04136 2.068 0.689 10.34
kg/cm
2
0.042 2.109 0.04218 2.109 0.703 10.54
1355
11.25
1000
500
0
20
30
42.4
Voltage (V dc)
Load (Ohms)
Communication requires a minimum
loop resistance of 250 ohms.
Operating
Region
Max. Loop Resistance = 43.5 (Power Supply Voltage – 11.25)