Model: EJX120A - Differential pressure transmitter
Output signal: -E - 4 to 20 mA DC with digital communication (HART 5 protocol)
Measurement span (capsule): E - 0.025 to 1 kPa (0.1 to 4 inH2O)
Wetted parts material?: S
Cover flange and process connector: ASTM CF-8M?
Capsule: Hastelloy C-276? (Diaphragm); F316L SST, 316L SST (Others)
Capsule gasket: Teflon-coated 316L SST
Vent/Drain plug: 316 SST
Process connections: 4 - with 1/2 NPT female process connector
Bolts and nuts material: J - B7 carbon steel
Installation: -7 - Vertical piping, left side high pressure, and process connection downside
Amplifier housing: 1 - Cast aluminium alloy
Electrical connection: 2* - 1/2 NPT female, two electrical connections without blind plugs
Integral indicator: E - Digital indicator with the range setting switch (push button)⁴
Mounting bracket: N - None

The " * " marks indicate the most typical selection for each specification.

Users must consider the characteristics of selected wetted parts material and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user s process fluids.
Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high-temperature steam (150?C [302?F] or above). Contact Yokogawa for detailed information of the wetted parts material.
Cast version of 316 SST. Equivalent to SCS14A.
Hastelloy C-276 or ASTM N10276.
Not applicable for output signal code F.

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