EJA438N Gauge Pressure Transmitters

Features :

The main effect of the pressure transmitter pressure signals to the electronic device, and then the computer shows the pressure principle generally: the mechanical signal into a current pressure of this pressure (4-20mA) Such electronic signal pressure and voltage or the current size of a linear relationship is generally positive relationship. Therefore, the voltage or current output of the transmitter increases with pressure thereby obtain a two pressure measured media pressure and voltage or current relationship leads to high pressure transmitter, two low pressure chamber , low-pressure chamber pressure with atmospheric pressure or vacuum acting on the δ yuan (ie sensitive element) on both sides of diaphragm, is transferred to the measurement on both sides of the diaphragm and filling liquid through the spacer element within.

Specifications :

Accuracy:
See Table 2.

Ambient Temperature Limits:
-40 to 60 ˚C (-40 to 140 ˚F) (general-use type)
-30 to 60 ˚C (-22 to 140 ˚F) (with integral indicator)
(Note: The ambient temperature limits must be within the fill
fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)

Ambient Temperature Effect:
See Table 2.

Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)

Ambient Humidity Limits:
5 to 100 % R.H.(at 40 ˚C)

Working Pressure Limits:
2.7 kPa abs{20 mmHg abs}to max. measurement
rangevalue.
(Note: The working pressure must be within flange rating
pressure.)
For atmospheric pressure or below, see Figure 2.
Power Supply Effect “”:
0.005 %/V (21.6 to 32 V DC, 350 )

Mounting:
Transmitter; 2-inch pipe mounting
Diaphragm seal; flange mounting

Technical parameters :

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