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ECA120A Micro Differential Pressure Transmitter
Summary: The ECA120A micro differential pressure transmitter is used to measure small differential pressures, which are then converted into 4-20mADC c
Product details

summary
ECA120AMicro differential pressure transmitter is used to measure small differential pressure, which is then converted into a 4-20mADC current signal output.
The ECA120A can also communicate with the HART275 handheld controller for setting, monitoring, and other purposes.
ECA120AMicro differential pressure transmitter is used to measure small differential pressure, which is then converted into a 4-20mADC current signal output.
The ECA120A can also communicate with the HART275 handheld controller for setting, monitoring, and other purposes.
Functional specifications
output
2Wire system, 4-20mA DC output, digital communication, programmable linear or square root output mode, HART protocol loaded on 4-20mA DC signal.
supply voltage
10.5~42V DC (working state)
(10.5-30VDC intrinsic safety type)
16.4~42V DC (digital communication)
(16.4~30VDC intrinsic safety type)
load(When the output signal codes are D and E)
0-1335 Ω working state
250-600 Ω digital communication
HART
Communication Distance
Using multi-core twisted pair cables, the maximum communication distance can reach 1.5km, and the communication distance varies depending on the cable type.
Damping time constant
The sum of damping time constants for amplifier components and membrane enclosures. The damping time constant of amplifier components can be adjusted within the range of 0.2 to 64 seconds
Working pressure
-50~50kPa(-7.25~7.25psi)
ambient temperature
-25~80℃(-13~176°F)
Liquid contact temperature
-40~120℃(-40~248°F)
Performance specifications
Reference accuracy for range adjustment
(including linearity, hysteresis, and repeatability starting from zero)
± 0.2%, ± 0.1% (high-precision type)
Model and Specification Code Table:
model
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instrument for drawing circles check take the place of a sign or object indicating number
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speak bright
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ECA120A
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………………………………
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differential pressure transmitter
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output signal
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-E……………………………
-D……………………………
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4~20mA, HART protocol digital communication
4~20mA
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Measurement range
(Membrane box)
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E……………………………
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0.1~1Kpa{10~100mmH2O}
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Material of the liquid receiving part
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S…………………………
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[Body][Membrane box[Exhaust screw
SCS14A SUS316L SUS316
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pipe connection
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0………………………
1………………………
2………………………
3………………………
4………………………
5………………………
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No process joint (Rcl/4 internal thread on chamber flange)
Process connector with Rcl/4 internal thread
Process connector with Rcl/2 internal thread
Process connector with 1/4NPT internal thread
Process connector with 1/2NPT internal thread
No process joint (1/4NPT internal thread on the chamber flange)
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Material of bolts and nuts
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A……………………
B……………………
C……………………
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[Maximum working pressure
SCM435 50Kpa{0.5kgf/cm3}
SUS630 50Kpa{0.5kgf/cm3}
SUH660 50Kpa{0.5kgf/cm3}
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Installation method
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-2…………………
-3…………………
-6…………………
-7…………………
-8…………………
-9…………………
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Vertical installation, high voltage on the right, process connector on top
Vertical installation, high voltage on the right, process connector at the bottom
Vertical installation, high voltage on the left, process connector on top
Vertical installation, high voltage on the left, process connector at the bottom
Horizontal installation, high voltage on the right side
Horizontal installation, high pressure on the left side
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electrical interface
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0 ………………
2 ………………
3 ………………
4 ………………
5 ………………
7 ………………
8 ………………
9 ………………
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G1/2Internal thread, 1 connection port
1/2NPTInternal thread, 2 connection ports
Pg13.5Internal thread, 2 connection ports
M20Internal thread, 2 connection ports
G1/2Internal thread, 2 connection ports with a blind plug
1/2NPTInternal thread, with two electrical interfaces and a blind plug
Pg13.5Internal thread, with two electrical interfaces and a blind plug
M20Internal thread, with two electrical interfaces and a blind plug
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Display header
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D………………
E………………
F………………
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Digital header
Digital header with setting button
(No header)
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2-inchPipe installation bracket
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A……………
B……………
C……………
D……………
N……………
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SECCFlat bracket
SUS304Flat bracket
SECC LType bracket
SUS304 LType bracket
No installation bracket
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Additional selection code
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/□ Selection specifications
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Example: ECA120A-DES5A-92NN/□
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Online inquiry