General specifications, 1 standard specifications, General – Yokogawa digitalYEWFLO (DY) User Manual
Page 111: Specifications, 1 standard, Specifi cations -1, 1 standard specifi cations

<13. GENERAL SPECIFICATIONS>
13-1
IM 01F06A00-01EN
13. GENERAL
SPECIFICATIONS
13.1 Standard Specifi cations
Communication function includes F
OUNDATION
fi eldbus, BRAIN and HART protocol.
Refer to GS 01F06F01-01EN for Fieldbus
communication type marked with “”.
Performance Specifi cations
Fluid to be Measured:
Liquid, Gas, Steam (Avoid multiphase fl ow
and sticky fl uids)
Measuring Flow Rates:
Refer to Table 13.6
Accuracy: ±0.75% of Reading (Liquid)
±1% of Reading (Gas, Steam)
Refer to Section 13.5 “Detailed Accuracy.”
/MV: Refer to Subsection 13.3.1 “Option
Multi-Variable (Built-In Temperature
Sensor) Type (/MV).”
Repeatability: ± 0.2% of Reading
Calibration:
This fl owmeter is factory-calibrated using a
water fl ow.
Temperature and fl ow calibration by water
fl ow when Multi-Variable Type is selected.
Normal Operating Condition
Process Temperature Range:
–29 to +250 °C (Standard)
–196 to +100 °C (Cryogenic Version:
Option)
–29 to +450 °C (High Process Temperature
Version: Option)
–29 to +400 °C (High Process Temperature
Version Multi-Variable
Type: Option)
When Multi-Variable Type is selected, refer
to Subsection 13.3.1 “Option Multi-Variable
(Built-In Temperature Sensor) Type (/MV).”
Refer to Figure 13.1 for integral type.
Process Pressure Limit:
–0.1MPa (–1 kg/cm
2
) to fl ange 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
13.1)
–29 to +80 °C (Integral Type with Indicator,
refer to Figure 13.1)
–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
10.5 to 30 V DC (Lightning Protector: option)
(Refer to Figure 13.2 ; Relationship
Between Power Supply Voltage and Load
Resistance)
Mechanical Specifi cations
Material (Standard Type):
Refer to Table.13.1
Wetted Parts:
Body*
1
; Stainless steel JIS SCS14A,
ASTM CF8M
*1 Flange materials for DY250 to DY400 are
JIS SUS F304
Shedder Bar; Duplex stainless steel
Size 15mm ASTM S31803
Size 25mm to 400mm EN 1.4517
Gasket: JIS SUS316 stainless steel with
polytetrafl uoroethylene (Tefl on)
coating.
Non-Wetted Parts:
Housing (Case, Cover):
Aluminum alloy JIS ADC12
Name Plate: Stainless steel JIS SUS304
DYA Mounting Bracket for 2B pipe:
Carbon steel sheet JIS SPCC, JIS SECC
Coating Color:
Housing:
Polyurethane corrosion-resistant coating
Deep sea moss green (Munsell 0.6GY 3.1/2.0)
DYA Mounting Bracket for 2B pipe:
Polyurethane corrosion-resistant coating
Frosty white (Munsell 2.5Y 8.4/1.2)
Protection:
IP67, Type 4X, JIS C 0920 watertight protection.
Hazardous Area Classifi cations:
Refer to Section 13.3 “Option Specifi cations”.
Electrical Connection:
JIS G1/2 female, ANSI 1/2 NPT female,
ISO M20 × 1.5 female
Signal Cable:
Model DYC signal cable, used for remote
detector and converter.
Signal cable length is up to 30 m.
Outer Sheath Material: Heat resisting
polyethylene
Durable Temperature: –40 to +150 °C