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常州市成豐流量儀表有限公司
常州市成豐流量儀表有限公司
GeneralViewCF2002integratedabsolutepressure/pressuretransmitteradoptsdiffusedsiliconisolationtypesensormodulesthatareofhighprecisionandhighstability
General View
CF 2002 integrated absolute pressure / pressure transmitter
adopts diffused silicon isolation type sensor modules that
are of high precision and high stability, converting the
absolute pressure of the tested medium or gauge pressure
into standard 4 ~ 20 mA DC electric signal through highly
reliable amplifying circuit and precision temperature
compensation. Elaborate packaging techniques and perfect
assembling technology ensure excellent product quality and
the most optimal performance of the product. The product
is featured with complete types and specifications,
normalized interface form, convenient adjustment of zero
point and range adjustment etc, with which customer
demands can be fulfilled to the most.
CF 2002 integrated transmitter series can be widely used
in various tough and dangerous industrial environment.
*Features
Range: 0 ~ 5KPa to 0 ~ 32 MPa (referring
to type selection table)
Over load pressure: 2 times of max range
state or 70 MPa (the min. value)
Output signal: 4 ~ 20 mA DC (two wire
system)
Operation voltage: 14 ~ 36 V DC (two wire
system) standard 24V DC ±5%, ripple less
than 1%.
Temperature of the medium: - 25℃ ~ + 100℃
Ambient temperature: -
Relative humidity: 0% ~ 99%
Load resistance:
(4 ~ 20 mA) : R = [(U – 14) / 0.02] – R0
In which U is power supply voltage; R0 is the
internal resistance of the cable.
(0 ~ 10 mA) : R ¡Ü1 Kohm
(0 ~ 5 V) : R ¡Ý300 ohm
Min. measuring range over 5 KPa.
Max measuring range 0 ~ 32 MPa
Direct process connection, no braket
installation needed.
Zero point and range continuously
adjustable externally.
Lightning proof, RF interference proof
With local indication
Intrinsic safety explosion proof or flame
proof
Small volume, good-looking appearance,
high cost efficiency.
High precision, high stability, and high
reliability.
*Applications
Liquid level measuring and controlling on
industrial sites
Pressure testing system in laboratories
Ocean navigation and ship building
Aviation and aircraft manufacturing
Air separation plant and heat power units
Energy source management system
Liquid level measuring and water supply
system
Hydraulic pneumatic control system
*Technical indexes
Mediums to be measured: Various liquids,
gases or steams compatible with 316L
stainless steel
Performance indexes
Accuracy:
± 0.1% (including the comprehensive error of nonlinearity, repeatability and return error).
Zero point deviation:
Positive deviation: 0% ~ + 80% of max range state; negative deviation: 0% ~ -99% of max
range state (not exceeding -100 KPa, absolute pressure products have no negative deviation).
Range adjustment:
Adjustable freely between the min. range and max range state (see type selection table).
Influence of over pressure:
Less than 0.25% of max range state.
Influence of power supply
Less than 0.01% V of output range.
Load influence:
Negligible.
Influence of temperature:
±1.5% of max range state (temperature range: - 20% ~ + 85%, including total temperature
influence of zero point and the range).
Stability:
±0.25% / year of max range state.
Ø Features of structure:
Material of diaphragm: 316L stainless steel
Connection material: 1 Cr 18Ni 9Ti stainless steel
Casing material: 1 Cr 18Ni 9Ti stainless steel
Process interface: M20 x 1.5, NPT 1 / 2 or G1 external thread (large opening).
Electrical interface:
Standard water proof plug
Indication meter: none
Weight: approx. 1.2 kg.
Explosion proof mark: Ex ia II CT5 (intrinsic safety type); Ex ia II CT5 (flame proof type)
Overall protection meeting requirements of IP 67 (meeting applicable parameters)
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