Yokogawa EJA440A Traditional-mount High Gauge Pressure Transmitter
Yokogawa EJA440A -DD Traditional-mount High Gauge Pressure Transmitter
The high performance gauge pressure transmitter model EJA440A can be used to measure liquid, gas,or steam pressure.
Stability
±0.1 % of URL per 12 months
Power Supply Effects “”
±0.005 % per Volt (from 21.6 to 32 V DC, 350 Ω)
Output “◊”
Two wire 4 to 20 mA DC output with digital communi
cations. BRAIN or HART FSK protocol are superim
posed on the 4 to 20 mA signal.
Failure Alarm
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC or less
-2.5%, 3.6 mA DC or less (Optional
code /F1)
Note: Applicable for Output signal code D and E
Weight
C capsule: 6.8 kg (15 lb) without integral indicator,
mouting bracket, and process connector.
D capsule: 8.0 kg (17.6 lb) without ‚-tegral indicator,
mouting bracket, and process connector.
Yokogawa EJA440A Traditional-mount High Gauge Pressure Transmitter
Yokogawa EJA440A -DD Traditional-mount High Gauge Pressure Transmitter
Description
Ambient Temperature Limits
(approval codes may affect limits)
-40 to 85 ˚C (-40 to 185 ˚F)
-30 to 80 ˚C (-22 to 176 ˚F) with LCD Display
Process Temperature Limits
(approval codes may affect limits)
-40 to 120 ˚C (-40 to 248 ˚F)
Ambient Humidity Limits
5 to 100 % RH @ 40 ˚C (104 ˚F)
Supply Voltage “◊”
10.5 to 42 V DC for general use and flameproof type
10.5 to 32 V DC for lightning protector (Optional code
/A)
10.5 to 30 V DC for intrinsically safe, Type n,
nonincendive, or non-sparking type
Minimum voltage limited at 16.4 V DC for digital
communications, BRAIN and HART