YOKOGAWA EJA310E Absolute Pressure Transmitter
YOKOGAWA EJA310E -JL Absolute Pressure Transmitter
The high performance absolute pressure transmitter
EJA310E 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
±0.2 % of URL per 10 years - Weight
[Installation code 7, 8, and 9]
2.8 kg (6.2 lb) without integral indicator, mounting
bracket, and process connector.
Add 1.5 kg (3.3 lb) for Amplifier housing code 2.
YOKOGAWA EJA310E Absolute Pressure Transmitter
YOKOGAWA EJA310E -JL Absolute 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) M, A & B capsules
−40 to 100°C (−40 to 212°F) L capsule
Ambient Humidity Limits
0 to 100% RH
Maximum Over Pressure
| Capsule | Pressure |
| L and M | 500 kPa abs (72 psia) |
| A | 16 MPa abs (2300 psia) |
| B | 25 MPa abs (3600 psia) |
Working Pressure Limits (Silicone oil)
Maximum Pressure Limits
| Capsule | Pressure |
| L | 10 kPa abs (2.95 inHg abs) |
| M | 130 kPa abs (38 inHg abs) |
| A | 3.5 MPa abs (500 psia) |
| B | 16 MPa abs (2300 psia) |
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.
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