The renewal of 30 years supply record GF series gas flowmeter. Equipped with an ultrasonic thermometer, widescreen display, and multi-level output interface. Maximize the performance of GF-2500, control, and monitors any gas flow save energy and cost.
Feature :
- Wide-screen LCD and various display functions
- High noise tolerance design
- No pressure loss
- Various output port (analog x2, digital x1, contact x4)
- Automatic pressure and temperature correction
- Easy replacement with the compatibility of the existing sensors.
- Wider measurement range
Specification :
Pipe :
- Fluid Condition: Gas and Steam
- Applicable pipe diameter: Nominal diameter 50mm ∼ 5000mm (*1)
- Spool piece :
- Pipe diameter: 50mm∼500mm (*2)
- Flange: JIS10K standard (*3)
- Material: SGP, STPG, SUS316, SPTY (*4)
- Socket: Standard type :
- Screw Type
- Flange Type (Screw type with sensor)
- Flange Type (Large sensor type)
Sensor Probe :
- Sensor Probe :
- Gas :
Standard (Screw type)
Large ( Flange Type)
Nominal Diameter
50mm∼10000mm (*5)
1000m∼(*5)
Temperature
-30ºC∼180ºC
-30ºC∼180ºC
Pressure
-0.05Pa∼1MPa (0.5∼10kgf/cm³)
-0.05Pa∼1MPa (0.5∼10kgf/cm³)
- Steam: Standard (Flange type) 1MPa (10kgf/cm³) type
- Custom (*6)
- Gas :
- Seal :
- Probe fittings: Combine with gas seal unit
- Gas seal unit: Standard, steam, large, custom
- Gas Seal Adaptor: instead of a gas seal unit (not used)
- Installation Requirement :
- Upstream side: 15D
- Downstream side: 5D or more (D is inner diameter)
- Cable: Distance from sensor probe to converter, 6m or 10 (standard)
Converter :
- General :
- Measuring method: Ultrasonic transit time flow meter
- Chordal path: 1 path or 2 path (option)
- Traverse: Z or V
- Measurement compensation range: temperature ±25ºC, pressure ±30%
- Accuracy : ±1.0% FS (flow velocity 5 ∼ 60m/s)
- Reproducible: 0.2%
- Flow velocity resolution: less than 0.5mm/s
- Averaging: Default 10 sec (0.5∼180 sec variable)
- Ultrasonic Thermometer: Measure temperature (in case of air) by ultrasonic transit time
- Ambient temperature: -10 ∼ +50ºC
- Power Supply :
- Power supply: AC100V±10%, 50/60Hz, AC115V, 220V (option)
- Surge protection: Built-in surge absorber
- Power dissipation: Max.25W
- Output :
Analog output1
Range: DC4∼20mA,
Over range: DC0∼24mA
Load resistance: Less than 1000Ω
Analog output2
reverse flow, temperature, pressure
Range: DC4∼20mA, isolated
Over range: DC0∼24mA
Load resistance: Less than 1000Ω
Pulse output1
Integrated pulse
Open collector standard 0V, 0.2A
Pulse width: 1.6ms or 50ms
Pulse output2
Integrated pulse, alarm, normal and reverse flow, upper I and lower limb
Open collector standard 30V, 0.2A
Pulse output3
Alarm, normal and reverse flow, upper I and lower limit
Open collector standard 30V, 0.2A
Pulse output4
Alarm, normal and reverse flow, upper I and lower limit
Open collector standard 30V, 0.2A
Power supply for pressure and temperature
DC24V +/-0.5V 0.2A
Digital output
RS422 x 1
Input
Temperature: DC4 ∼ 20mA
Pressure: DC4∼20mA
Display
LCD: 128 x 240 dos LED back right
Character: Alphanumeric, mathematical symbol (ex, +, -, Σ)
Display content :
Measurement display
Instantaneous flow rate (analog1, 2)
Input temperature, pressure, ultrasonic temperature meter
It can display the content of 4 in all contents
Configuration view: diameter, temperature, pressure, flow range
Adjustment view: zero-point adjusting, change of time constant, low-cut
Catalog: GF-2500 ultrasonic gas flowmeter
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