Fisher-Rosemount 3095FT, Manual

Page: 123 / 184

Section
7-1
7 Specifications and
Reference Data
MODEL 3095FT
FUNCTIONAL
SPECIFICATIONS Service
Natural gas.
Differential Sensor
Range
Code 2: 0–2.5 to 0–250 inH
2
O (0–0.62 to 0–62.2 kPa).
Limit
Code 2: –250 to 250 inH
2
O (–62.2 to 62.2 kPa).
Absolute Sensor
Ranges
Code 3: 0–8 to 0–800 psia (0–55.16 to 0–5515.8 kPa).
Code 4: 0–36.36 to 0–3,626 psia (0–250 to 0–25000 kPa).
Limit
Code 3: 0.5 to 800 psia (3.4 to 5515.8 kPa).
Code 4: 0.5 to 3,626 psia (3.4 to 25000 kPa).
Output
Two-wire fixed 9.5 mA with digital HART protocol superimposed on
current signal.
Power Supply
External power supply required. Transmitter operates on terminal
voltage of 7.5–35 V dc with a constant average operating current of 9.5
mA.
Load Limitations
Maximum loop resistance is determined by the voltage level of the
external power supply, as described by:
1964
250
0
7.5 11.0
Power Supply Voltage
35
Loa
d
(Ohm
s
)
Operating Region
Communication requires a minimum loop resistance of 250 ohms.
Max. Loop Resistance
Power Supply Voltage 7.5 –
0.014
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