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9. General Specifications
>
9-2
IM 01C25K01-01E
Ambient Humidity Limits
0 to 100% RH
Working Pressure Limits (Silicone oil)
Maximum Pressure Limits
All capsules 16 MPa (2300 psi)
Minimum Pressure Limit
See graph below
Atmospheric
pressure
-40
(-40)
0
(32)
40
(104)
80
(176)
120
(248)
1(0.14)
2.7(0.38)
10(1.4)
(psi abs)
100(14.5)
Process temperature °C (°F)
Working
pressure
kPa abs
Applicable range
F0901.ai
Figure 9.1
Working Pressure and Process
Temperature
Supply & Load Requirements “◊” (For output
signal code D, E, and J. Optional features
or approval codes may affect electrical
requirements.)
With 24 V DC supply, up to a 550 Ω load can be
used. See graph below.
E-10.5
0.0244
(Ω)
Power supply voltage E (V DC)
600
250
R
10.5
16.6
25.2
42
External
load
resistance
Digital
Communication
range
BRAIN and HART
R=
F0902.ai
Figure 9.2
Relationship Between Power Supply
Voltage and External Load Resistance
Supply Voltage
For 4 to 20 mA output
(Output signal code D, E and J)
10.5 to 42 V DC for general use and flameproof
type.
10.5 to 32 V DC for lightning protector (Option
code /A).
10.5 to 30 V DC for intrinsically safe, type n or
non-incendive type.
Minimum voltage limited at 16.6 V DC for digital
communications, BRAIN and HART
For 1 to 5 V output
(Output signal code Q)
Power supply :
9 to 28 V DC for general use and flame proof
type.
Power Consumption :
0.96 mA to 3 mA, 27 mW
Load for 4 to 20 mA output
(Output signal code D, E and J)
0 to 1290 Ω for operation
250 to 600 Ω for digital communication
Output Load for 1 to 5 V output
(Output signal code Q)
1 MΩ or greater (meter input impedance)
Communication Requirements “
◊
”
(Safety approvals may affect electrical
requirements.)
BRAIN
Communication Distance
Up to 2 km (1.25 miles) when using CEV
polyethylene-insulated PVC-sheathed cables.
Communication distance varies depending on
type of cable used.
Load Capacitance
0.22 μF or less
Load Inductance
3.3 mH or less
Input Impedance of communicating device
10 kΩ or more at 2.4 kHz.
HART
Communication Distance
Up to 1.5 km (1 mile) when using multiple
twisted pair cables. Communication distance
varies depending on type of cable used.
