SONIC GF-2500 Ultrasonic gas flow meter

Applicable fluidVarious gases and steam

Applicable pipingNominal diameter50mm to 5000mm (* 1)

Measuring tube

Nominal diameter50mm to 500mm (* 2)

Flange standardJIS 10k standard (* 3)

MaterialSGP, SUS304 --- (* 4)

Socket

Standard typeScrew-in type (standard)

Flange type (detector mounting screw type)

Flange type (for large detector)

Detection unit

DetectorStandard type for general gas (screw type)

Nominal diameter: 50mm to 1000mm (* 5)

Temperature: -30 to 180 ° C

Pressure: -0.05 to 1MPa (-0.5 to 10kgf / c㎡)

Large for general gas (flange type)

Nominal diameter: 1000mm ~ (* 5)

Temperature: -30 ~ 180 ℃

Pressure: -0.05 ~ 1MPa (-0.5 ~ 10kgf / c㎡)

For steamStandard type (flange type)1MPa (10kgf / c㎡) type

Seal part

Probe fitting:Combined with gas seal unit

Gas seal unit:General, steam, large, special

Gas seal adapter: When gas seal unit is not required

Installation conditions: Straight pipe section 15D or more upstream, 5D or more downstream

Dedicated cable:Standard 6m or 10m length between detector and converter

Converter

General specifications

Measurement method Ultrasonic pulse transit time reciprocal difference calculation method

Number of lines1 line or 2 lines (optional)

Measurement methodZ or V method

Measurement compensation rangeDesign temperature ± 25 ° C, design pressure ± 30%

Measurement accuracy± 1.0% FS (flow velocity 5-60m / s)

Reproducibility± 0.2%

Flow velocity resolution0.5mm / sec or less

Averaging timeStandard 10 seconds (can be set to any value between 0.5 and 180 seconds)

Ultrasonic thermometerTemperature measurement by ultrasonic pulse propagation time (air)

Operating temperature limit-10 to + 50 ℃

Power supply part
Power supplyAC100V ± 10%, 50 / 60Hz Optional AC115V, 220V

Lightning protectionBuilt-in surge absorber

Power consumptionMax.25 (W)

Output section
Analog output 1:Various flow output ranges: 4 to 20 mA DC

Insulated output overrange: 0 to 24 mA DC

Load resistance: 1000 Ω or less

Analog output 2:Various flow output, reverse flow output, temperature output, pressure output range: 4 to 20 mA DC,

Insulation output overrange: 0 to 24 mA DC,

Load resistance: 1000 Ω or less

Contact output 1Integrated pulse output open collector: Rated 30V, 0.2A

Pulse width: 1.6ms , 50ms selectable

Contact output 2Integrated pulse output, alarm output, forward / reverse judgment output, upper limit output, lower limit output Open collector: Rated 30V, 0.2A

Contact output 3Alarm output, forward / reverse judgment output, upper limit output, lower limit output Open collector: Rated 30V, 0.2A

Contact output 4Alarm output, forward / reverse judgment output, upper limit output, lower limit output Open collector: Rated 30V, 0.2A

Power supply for temperature and pressureOutput rating: DC24 ± 0.5V 0.2A

Digital outputRS422 × 1

Input section
TemperatureDC4-20mA

PressureDC4-20mA

Display
LCD:Dot: 128 x 240 horizontal with LED backlight

Letter:English letters and numbers, mathematical symbols (+,-, Σ, etc.)

Display content: Measurement screen Instantaneous flow display of analog output 1 Instantaneous flow display of analog output 2 Integrate count display of analog output 1 Integrated count display of analog output 2 Maximum flow display of analog output 1 Maximum output display of analog output 2 Input temperature display Input pressure Display of 4 or more of the temperature display of the ultrasonic thermometer can be displayed

Setting screen:Size, temperature, pressure, flow range, etc.

Adjustment screenZero adjustment, change of time constant, setting of low cut, etc.

* 1: Consult us if the nominal diameter exceeds 4000mm.

* 2: We can also manufacture pipes with a nominal diameter of over 500mm.

* 3: Specify flanges other than JIS 10k flanges each time.

* 4: Please contact us for materials or thin-walled tubes that are out of the specified range.

* 5: Depends on fluid specifications (density, temperature, pressure, sound speed).

* 6: Please consult each time.

Datasheet

Features

- Wide-screen LCD and various dispaly function 

- High noise tolerance déign

- No pressure loss

- Various output port (analog x 2, digial x 1, contact x 4)

- Automatic pressure and temperature correction

- Easy replacement with the compatibility of existing sensor 

- Wider measurement range