Yokogawa EJA530A -DC Gauge Pressure Transmitter
The Gauge Pressure Transmitter model EJA530A can be used to measure liquid, gas, or steam pressure.
Ambient Temperature Effects
Total Effects per 28 °C (50 °F) Change
±[0.15% Span + 0.15% URL]
Stability
±0.1% of URL per 12 months
Power Supply Effects “◊”
±0.005 % per Volt (from 21.6 to 32 V DC, 350 )
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.
Weight
1.6 kg (3.5 lb) without integral indicator, mounting bracket.
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.
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)