Yokogawa EJA440E Gauge Pressure Transmitter
Yokogawa EJA440E -JD Gauge Pressure Transmitter
The high performance gauge pressure transmitter
EJA440E features single crystal silicon resonant
sensor and is suitable to measure liquid, gas, or
steam pressure.
- Power Supply Effects(Output signal code D and J)
±0.005 % per Volt (from 21.6 to 32 V DC, 350Ω) - Stability (All normal operating condition)
±0.1% of URL per 5 years - Weight
[Installation code 7, 8 and 9]
4.9 kg(10.8 lb) without integral indicator, mounting
bracket, and process connector.
Add 1.5 kg (3.3lb) for Amplifier housing code 2.
Yokogawa EJA440E Gauge Pressure Transmitter
Yokogawa EJA440E -JD Gauge Pressure Transmitter
□ NORMAL OPERATING CONDITION
(Optional features or approval codes may
affect limits.)
Ambient Temperature Limits
−40 to 85°C (−40 to 185°F)
−30 to 80°C (−22 to 176°F) with LCD display
Process Temperature Limits
−40 to 120°C (−40 to 248°F)
Ambient Humidity Limits
0 to 100% RH
Maximum Over Pressure
| Capsule | Pressure |
| C | 48 MPa (6750 psi) |
| D | 60 MPa (8700 psi) |
Working Pressure Limits (Silicone oil)
Maximum Pressure Limits
| Capsule | Pressure |
| C | 32 MPa (4500 psi) |
| D | 50 MPa (7200 psi) |
Minimum Pressure Limit
See graph below
Supply Voltage “◊”
For 4 to 20 mA HART / BRAIN
(Output signal code D 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 nonincendive
type.
Minimum voltage limited at 16.6 V DC for digital
communications, BRAIN and HART
For 1 to 5 V HART (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