Bernoulli's equation states that the pressure drop across a constriction is proportional to the square of the flow rate. Using this equation, smart differential pressure transmitters can infer the flow.
In this type of application, it is not only important to have an accurate differential pressure transmitter, but also an accurate "constriction". It is the accuracy of the total system that must be considered.
Therefore, Yokogawa combines our DP transmitter with an Integral Flow Orifice (IFO) in one unit to produce a total system to measure low flow accurately.
Which Series is Right for You?
Click the 'Details' Tab above to learn which series is right for your application.
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EJA115E
Standard Differential Pressure Transmitter attached to an IFO assembly based on the EJA-E Series.
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EJX115A
Differential Pressure Transmitter attached to an IFO assembly based on the EJX-A Series as a high performance model.
Details
Which Series is Right for You?
Refer to the general specifications on each product page for detailed specifications.
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| EJA115E | EJX115A | |
|---|---|---|
| Accuracy | ||
| ± 0.040% | ● | |
| ± 0.055% | ● | |
| Accuracy (Integral Orifice) | ||
| ± 5% | ● | ● |
| Stability | ||
| ± 0.1% of URL per 15 years | ● | |
| ± 0.1% of URL per 10 years | ● | |
| Response Time | ||
| 90 msec | ● | ● |
| Safety | ||
| FMEDA Report | ● | ● |
| IEC 61508 Certified (SIL 2) | ● | ● |
| Specification Conformance | ||
| ±3σ | ● | ● |
Resurse
DP Level transmitter configuration can be very time consuming. Yokogawa DPharp EJA/EJX Pressure transmitters realize reduction in man hours by smart level setup feature.
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