Yokogawa Low Flow Transmitter EJA115-GHS200B-68ED
STANDARD SPECIFICATIONS
Yokogawa Low Flow Transmitter EJA115-GHS200B-68ED
Refer to GS 01C22T02-00E for FOUNDATION Fieldbus communication type and GS 01C22T03-00E for
PROFIBUS PA communication type marked with “0.”
Measurement Ranges:
|
Capsule
|
Differential
Pressure Span
|
Water Equivalent Flow l/min
|
Air Equivalent Flow Nl/min
|
|
L
|
1 to 10 kPa
{100 to 1000 mmH2O}
|
0.016 to 7.2
|
0.44 to 198
|
|
M
|
2 to 100 kPa
{200 to 10000 mmH2O}
|
0.022 to 23.0
|
0.63 to 635
|
|
H
|
20 to 210 kPa
{2000 to 21000 mmH2O}
|
0.07 to 33.0
|
2.0 to 910
|
Output Signal “0”:
4 to 20 mA DC, 2-wire system with digital communication
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
Supply Voltage “0”:
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
10.5 to 28 V DC for TIIS intrinsically safe type
Conditions of Communication Line “0”: Power supply voltage; 16.4 to 42 V DC
Load resistance; See Figure 1.
Note: In case of an intrinsically safe transmitter, external load resistance includes safety barrier resistance.
Communication distance;
2 km, when CEV polyethylene-insulated PVC- sheathed control cables are used.
Note: Communication distance varies depends on kind of cable.
Load capacitance; 0.22 µF or less. Load inductance; 3.3 mH or less.
Spacing from power line; 15 cm or more.
Input impedance of receiver connected receiving resistance;
10 kf! or more at 2.4 kHz
(See Optional Specifications for Intrinsically safe type)
Accuracy:
::15 % of span
Ambient Temperature Limits: -40 to 85 OC (-40 to 185 OF) (general-use type)
-30 to 80 OC (-22 to 176 OF) (with integral indicator)
(See ‘Optional Specifications’ for Explosion-protected types)
Process Temperature Limits: -40 to 120 OC (-40 to 248 OF) (general use type)
(See ‘Optional Specifications’ for Explosion-protected types)
Ambient Humidity Limits: 5 to 100 % R.H.(at 40 OC)
Working Pressure Limits: 2.7 kPa abs{20 mmHg abs} to maximum working pressure
(See ‘Model and Suffix Codes’).
For atmospheric pressure or below, see Figure 2.
Power Supply Effect “0”: 10.005 %/V (21.6 to 32 V DC, 350 f!)
Mounting: 2-inch pipe mounting.
Mounting Position Effect: 390 Pa {40 mmH2O}/90 O.
No effect for displacement parallel to diaphragm.
These errors can be corrected by the zero adjustment.
Degrees of Protection:
IP67, NEMA4X
Explosion-protected Construction:
See ‘Optional Specification.’
Yokogawa Low Flow Transmitter EJA115-GHS200B-68ED
External Zero Adjustment “0”: Continuously Adjustable Resolution; 0.01 % of span
Zero Adjustment Limits: Zero can be fully elevated or suppressed as long as low and high range values are within the measurement range limits of the capsule.
Tag Plate: JIS SUS304 or SUS316
Weight: 5.6 kg (12.4 lb) without integral indicator and mounting bracket.
Add 1.4 kg (3.1 lb) for JIS SCS14A stainless steel amplifier housing.
EMC Conformity Standards “0”: EN61326-1 Class A, Table2 (For use in industrial locations) EN61326-2-3
European Pressure Equipment Directive 97/23/EC: Sound Engineering Practice
Safety Requirement Standards: EN61010-1
• Altitude of installation site: Max. 2,000 m above sea level
• Installation category: I
• Pollution degree: 2
• Indoor/Outdoor use
Yokogawa Low Flow Transmitter EJA115-GHS200B-68ED
Electrical Connection: See ‘Model and Suffix Codes.’
Process Connections: See ‘Model and Suffix Codes.’
Wetted Parts Material: Diaphragm, cover flange, process connector, vent plug, manifold and orifice; See ‘Model and Suffix Codes.’
Capsule gaskets; Teflon-coated JIS SUS316L.
Process connector gasket; PTFE (Teflon)
Flange Bolts and Nuts Material:
See ‘Model and Suffix Codes.’
Amplifier Housing: Cast aluminum alloy or JIS SCS14A stainless steel(optional)
Painting: Polyurethane resin backed finish
Deep sea moss green (Munsell 0.6GY3.1/2.0)
Integral Indicator: LCD digital indicator (optional)
Damping Time Constant: (Sum of time constants for amplifier assembly and capsule assembly)
Amplifier assembly time constant;
Can be set in 9 increments from 0.2 to 64 sec. Capsule assembly time constant;
Settings When Shipped
Yokogawa Low Flow Transmitter EJA115-GHS200B-68ED
|
Tag Number
|
As specified in order *1
|
|
Output Mode
|
‘Linear’ unless otherwise
specified in order
|
|
Display Mode
|
‘Square root’
|
|
Operation Mode
|
‘Normal’ unless otherwise
specified in order
|
|
Damping Time
Constant *2
|
‘2 sec.’
|
|
Calibration Range
Lower Range Value
|
As specified in order
|
|
Calibration Range
Higher Range Value
|
As specified in order
|
|
Calibration Range
Units
|
Selected
from mmH2O, mmAq, mmWG, mmHg, Pa, hPa, kPa, MPa, mbar,
bar, gf/cm2, kgf/cm2, inH2O, inHg, ftH2O, or psi. (Only one unit can be specified)
|
*1: Up to 16 alphanumeric characters (including - and · ) will be entered in the amplifier memory.
*2: If using square root output, set damping time constant to 2 sec. or more.
