IM 1F6A0-01E
2-2
2. GENERAL DESCRIPTION
2.2 Standard Specifications
Performance Specifications
Fluid to be Measured :
Liquid, Gas, Steam (Avoid Multiphase
Flow and Sticky Fluids)
Measuring Flow Rates :
Refer to Table 2.5.2
Accuracy :
±
0.75% of Reading (Liquid)
±
1% of Reading (Gas, Steam)
Refer to Table 2.5.4
Repeatability :
±
0.2% of Reading
Calibration :
This flowmeter is factory-calibrated using a
water flow.
Temperature and flow calibration by water
flow when /MV is selected.
Normal Operating Condition
Process Temperature Range :
–29 to 260
°
C (general)
–196 to 100
°
C (Cryogenic Version:option)
–29 to 450
°
C (High Process Temperature
Version:option)
When Multi-Variable Type is selected, refer
to P2-9.
Refer to Figure 1 for integral converter type.
Process Pressure Limit :
–0.1MPa (–1 kg/cm
2
) to flange rating.
Ambient Temperature Range :
–29 to 85
°
C ( Remote type detector)
–40 to 85
°
C ( Remote type converter)
–29 to 85
°
C ( Integral type, refer to Figure
2.2.1)
–29 to 80
°
C (Integral type with Indicator,
refer to Figure 2.2.1)
–30 to 80
°
C ( Remote type converter with
Indicator)
Ambient Humidity : 5 to 100% RH (at 40
°
C)
(No Condensation)
Power Supply Voltage : 10.5 to 42 V DC
(Refer to Figure 2.2.2 ; Relationship
Between Power Supply Voltage and Load
Resistance)
Mechanical Specifications
Material (General Type):
Refer to Table 2.3.1
Body; SCS14A casting stainless steel (equivalent
to CF8M,SUS316)
Shedder bar;
Duplex stainless steel(DCS1,only for
15mm is DSD1-H,Both equivalent to JIS
SUS329J1,ASTM CD4MCu)
DCS1 and DSD1-H are registered trademarks
of Daido Tokusyu Steel Co.
Gasket; JIS SUS316 stainless steel with
polytetrafluoroethylene (Teflon) coating.
Converter housing and case,cover ;
Aluminum alloy
Coating Color:
Converter case, cover : Deep sea moss green
(Munsell 0.6GY 3.1/2.0) (Polyurethane corrosion-
resistant coating)
Protection:
IP67 immersion proof and dust proof. (NEMA 4X).
Hazardous Area Classifications:
Refer to item “Option Specifications”
Electrical Connection:
JIS G1/2 female, ANSI 1/2 NPT female,
ISO M20
×
1.5 female
Signal Cable:
Model DYC cable, used for remote detector and
converter.
Max. length : 30 m.
Outer Sheath Material: Heat resisting polyethyl-
ene
Durable Temperature : –40 to 150
°
C
Weight:
Refer to item “2.6 External Dimension”.
Mounting:
Integral type and Remote type detector :
Flange mounting or wafer mounting by
flange adjacent to the pipeline.
Remote type converter : 2 inch pipe mounting.
Electrical Specifications
Note*: Pulse output,alarm output and status output use
the common terminal, therefore these functions
are not used simultaneously.
Output Signal : Dual Output (Both Analog and
Transistor contact output can be obtained
simultaneously). In this case refer to “4:
WIRING”.
Analog : 4 to 20 mA DC, 2-wire system.
Transistor Contact Output* :
Open collector, 3-wire system.
Pulse,alarm,status output are selected by
parameter setting.
Contact rating: 30 V DC, 120 mA DC
Low level: 0 to 2 V DC. (refer to Figure 2.2.3)
Communication Requirement :
Communication Signal :
BRAIN or HART communication signal
(superimposed on a 4 to 20 mA DC
signal)
Conditions of Communication Line :
Load Resistance :
250 to 600
Ω
(including cable resistance).
Refer to Figure 2.2.2
Supply Voltage :
16.4 to 42 V DC for digital communications
BRAIN and HART protocols .(16.4 to 30 V
DC for intrinsically safe type).
Refer to Figure 2.2.2
Space from other Power Line: 15cm or
more (Parallel wiring should be avoided.)
BRAIN:
Communication Distance :
Up to 2 km,when polyethylene insulated
PVC-sheathed cables (CEV cables) are
used.Communication distance varies
depending on type of cable used.
Load Capacitance: 0.22
µ
F or less
Load Inductance: 3.3 mH or less
Input Impedance of Receiver Connected
to the Receiving Resistance:
10 k
Ω
or more at 2.4 kHz.
