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 CF 2001 series 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 2001 series absolute pressure / pressure transmitters are divided into such three types as general type, intrinsic safety explosion proof type and flame proof type. Intrinsic safety explosion proof type and flame proof type products can be widely used in various tough and dangerous industrial environments.
Output signal: 4~ 20 mA DC (two wire system)
Operation voltage: 14 ~ 36V DC (two wire system)
standard 24V DC ±5%, ripple less than 1%.
Temperature of the medium: - 25℃ ~ + 100℃
Ambient temperature: - 20℃ ~ + 85℃
Relative humidity: 0% ~ 100%

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
 
 
*Features
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.
HART communication protocol for choice.
*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
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)
*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% ~ -100% 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:
*5% of max range state (temperature range: - 20% ~ + 85%, including total temperature
influence of zero point and the range).
Stability:
*25% / year of max range state.
*Features of structure:
Material: 316L stainless steel diaphragm
Connection material: 316 stainless steel
Casing material: cast aluminum alloy, surface coated with sprayed plastics.
Process interface: M20 x 1.5, NPT 1 / 2 or G1 external thread (large opening).
Electrical interface:
Standard water proof plug
NPT 1 / 2 inner thread sealing union for cables
Indication meter: M3 digital LCD display meter
Weight: approx. 1.2 kg.
Explosion proof mark: Ex ia II CT5 (intrinsic safety type); E x d II CT5 (flame proof type)
Overall protection meeting requirements of IP 67 (meeting applicable parameters)
  


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