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Pressure Switch, Transmitter, Gauge

Intelligent Gas Alarm offers world-class solutions and products from German manufactuers - Fischer mess technik and Beck sensor for pressure monitoring for air, water, liquid, sewage, diesel, chemical, spirit, petrochemicals, waste water etc for safe and hazardous area with ATEX, ICE, Ex certifications. We supply these products to companies like APGENCO, NTPC, BHEL, Gujrat Foils etc.

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Fischer DE38 - Explosion proof DP Transmitter / Switch
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Fischer DE38 - Explosion proof DP Transmitter / Switch

Approx Price: Rs 10,000 /Piece

Minimum Order Quantity: 1 Piece

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Product Details:
BrandFischer
Model Number/NameDE38

DE38 Explosion proof DP Transmitter cum switch is multi-functional field mounted pressure. It has combination of digital LED readout display, transmitter function and dual limit detection & control relays.

DE38 can be used for measurement and control of positive or negative gauge pressure, differential pressure, vacuum pressure of  gases, liquids or oil; lubricant / hydrocarbons, liquid flow measurement, and liquid level.

Thus, DE38 is compatible and ideal for use with relatively clean and non-corrosive gases and liquids.

DE38##R and DE38###S are explosion proof or flame proof version, and hence ideal for installation in gas hazardous area Zone 2 and dust hazardous area Zone 22 respectively.

Working Principle:

Fischer DE38 DP Transmitter uses a tough yet flexible sensing diaphragm embedded between stiffening plates and balanced by springs on either side.

Linear displacement of this LVDT is proportional to the pressure difference across the diaphragm. Thus, this displacement is converted to electrical signal output. An optional output signal can be slew rate limited, spreaded, inverted and transformed non-linearly by means of a table function.

Key Features:
  • Explosion proof ATEX certification with CE Ex II 3 G c EEx nA IIC T4 for DE38###R and CE Ex II 3 D c IP65 T125 for DE38###S
  • Robust design with high repeatability
  • Over pressure protection
  • Wear free non-contact LVDT sensing element, thus no maintenance
  • Signal output with possibility of various characteristic curve
  • Characteristic conversion of output via 3….30 entries table
  • Complete set-up of all parameters and print out by using optional PC programming interface EU03
  • Measuring range: 0-400 mbar to 0-1600 bar
  • Operating temperature: Ambient: -10°C to +70°C; Media:-10°C to +70°C
  • Protection class: IP65 per DIN EN 60529
  • Output: 0/4-20mA, 0-10 VDC
  • Display: 3 ½ digit LCD
Applications areas:
  • Monitoring of compressors, filters and vacuum systems
  • Measurement of differential pressure between supply and return fuel lines in heating & cooling systems (Chillers)
  • Flow measurement – lubricants, oil, hydrocarbons, water, gases
  • Control pressure – air, gases, oil, water, lubricants
  • Level measurement- tank, container of lubricants, oils, water, liquids etc
Industrial areas:
  • Cement plants
  • Nuclear plants, coal or gas fired power plants
  • hydro power plants
  • Manufacturing and chemical plants
Process Safety & Certifications:

All devices produced by Fischer, are inline with the requirements of DIN EN ISO 9001:2008.
Devices for safety-relevant applications in nuclear-technical plants are subject to the extended requirements according to KTA (Kerntechnischer Ausschuss) 1401. 3505 and 3507 standards and rules, IAEA (International Atomic Energy Agency) and of IEC (International Electrotechnical Commission).

They attest the successful qualification of FISCHER Mess-und Regeltechnik GmbH as an executing company (contractor assessment), type testing of devices for safety-relevant processes, execution of relevant testing as well as evidence of operational reliability of assemblies.

High manufacturing penetration aims at expressing an almost authentic production, high quality standard and short-term response to customer needs.
Assembly and testing of measuring devices is ensured at especially provided production facilities. In addition, artificial ageing is created for ensuring the interaction of components. Thus, offering best time tested process instruments, far better than competitor. Hence, it is no surprise that Fischer is OE supplier to many process companies including Siemens, Wilo, Voith, ABB, BWM etc.


Additional Information:
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
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Fischer DE44 Ex - Explosion Proof Dual Sensor DP Transmitter
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Fischer DE44 Ex - Explosion Proof Dual Sensor DP Transmitter

Approx Price: Rs 18,000 /Piece

Minimum Order Quantity: 1 Piece

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Fischer DE44 is uniquely designed, state-of-art pressure instrument with inbuilt dual pressure sensor to monitor and compare two independent differential pressures. It comes in explosion proof version as DE44…R (for zone 2, gas explosion proof) and DE44…S (for Zone 22, dust explosion proof).

  • DE44..R: Suitable for use as electrical equipment for use in explosion – hazardous area (flammable gas) Zone Declaration per Directive 94/9/EC (ATEX)
    Ex II3G EEx nA IIC T4
  • DE44..S: Suitable for use as electrical equipment for use in explosion – hazardous area (flammable dust) Zone 22
    Declaration per Directive 94/9/EC (ATEX)
    Ex II3D IP65 T125° C

DE44 is multi-function pressure instrument which combines digital readout, dual limit detection relays and transmitter output.

It can measure positive gauge, negative or differential pressure of two independent gas or air pressure sources.

Working Principle:

Fischer DE44 Ex is based on dual piezo-resistive sensing element. The pressure is measured directly by piezo-resistive resistance bridge that is formed on surface of an integral silicon diaphragm in each sensor chamber.

The change in pressure results in change of resistance that is converted to varying voltage and which in turn convert to digital signals. The instrument’s internal micro-controller transfers measured value to LED Display, control two limit detection contacts/ relays, and transmit measured values through analog conversion stage as voltage or current signal.

An optional output signal can be slew limited, spreaded, inverted and transformed non-linearly by means of table function.

 

Key Features:
  • Two independent differential pressure sensors
  • Robust design, over-pressure protected
  • Selectable pressure unit
  • Signal output with possibility of spreading and inverting characteristic curve with any offset (optional)
  • Characteristic conversion of output via 3….30 entries tablets)
  • Fully programmable via PC based EU03 module
  • Large LED Display
Key Specifications:
  • Two independent differential pressure sensor.
    • Measuring range (of each sensor): 0 ~ 4.0 mbar up to 0 ~ 100 mbar; ± 2.5 mbar to ± 60.0 mbar
  • Maximum static operating pressure: 50 mbar to 500 mbar
  • Maximum safe pressure: 150 mbar to 1500 mbar
  • Straight line deviation error (max): 1.0% full scale
  • Pressure connection: G 1/8 female threads with optional cutting ring fittings for 6 or 8 mm tube
  • Operating ambient & media temperature: -10° C to +70° C
  • Protection class: IP65 per DIN EN 60529
  • Electrical output: 4-20mA or 0-10V, 3 – wire
  • Power supply: 24 V DC/ AC
  • Switching contacts: 2 sets of programmable voltage free contacts: NO or NC
  • Display: 3 1/2 digit LED
  • Electrical connections: two round shell multi-pin connector sockets (M12, male)
  • Material, housing: Polyamide PA 6.6
  • Materials, media contact: Silicon, PVC, aluminum, brass
Application areas:
  • Roll band filter monitoring
  • Vacuum system monitoring
  • Chimney draught measurement
  • Flow and control pressure monitoring
  • Surface coating system
  • Pump monitoring and control
  • Compressor monitoring and control
Industrial areas:
  • Air conditioning and ventilation systems
  • Auditorium, office, conference rooms
  • HVAC and ventilation application
  • Environment monitoring
  • Clean room and laboratory rooms

Additional Information:
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
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Fischer Pressure Transmitter
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Fischer Pressure Transmitter

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Gas Alarm India offer Fischer Pressure Transmitter for liquid and gas media for overpressure, partial vacuum and differential pressure monitoring. Measuring Transmitter for overpressure, partial vacuum and differential pressure of liquid and aerial media. Ranges: 0-0.4 up to 0-6 bar. This series of transmitter is suitable for various measuring applications in the field of industrial and sanitary techniques.

Typical applications:


  • Measurement of differential pressure between forward and return flow in heating systems
  • Monitoring of filters, blowers and compressors

Main Features


  • Overpressure protection
  • Maintenance-free due to inductive movement
  • Multiple applications
  • Rugged design

Construction and Operation:

This transmitter is based on a rugged and uncomplicated diaphragm movement. The operating principle of the system is identical for all applications of this type. In a state of equilibrium, the forces of the springs on both sides of the diaphragm are balanced. The pressure or differential pressure to be measured creates an unbalanced force of the springs for the measuring range until a new equilibrium is reached. A center-mounted tappet transfers the motion of the diaphragm system to the core of an inductive displacement transducer. The subsequent converter circuit converts this motion into an electrical output signal 0(4) - 20 ma linear, 3-wire connection. The transmitter is reverse battery and short circuit protected.

Specifications
:

  • Measuring ranges 0-0.4 bar to 0-6 bar
  • Nominal pressure 16 bar
  • Max. pressure load one-sided overpressure protected up to nominal pressure on (+) and (-) side of diaphragm & partial vacuum protected
  • Permissible ambient temperature 0 to +70°C
  • Max. storage temperature 70 °C
  • Protection class IP54 per DIN EN 60529
  • Linearity < 2% FS
  • Hysteresis < 1% FS
  • Output signal: 0/ 4 to 20 mA
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Smart Pressure Transmitter
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Smart Pressure Transmitter

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These Smart Pressure Transmitter uses a capacitance type sensor and modern microprocessor technology. It is ideally suited for differential pressure  applications such as measurement of:

    Features:

    • Robust, wear resistant sensor
    • High resistance to corrosion
    • Low hysteresis
    • Not affected by fouling of pressure chambers
    • Capacitance type silicon sensor
    • Microprocessor technology

    Principles of Operation:

    The type DE 70 differential pressure transmitter uses a silicon capacitance sensor with a bridge measuring circuit, the output of which changes when the pressure changes. Modern microprocessor technology is used to convert the bridge output to a standard 4-20 mA signal, which permits the measured value to be transmitted over long distances. A hart interface is also available, using an optional communication module installed in the transmitter. With the hart interface, digitally transmitted pressure measurements, as well as the transmitter’s set-up data can be read very accurately by simply connecting a compatible terminal device at any point along the length of the signal output loop. Also, the terminal device can also be used to re-configure the transmitter’s set-up parameters: locally, or from a remote location.

      Industries:

      • Plant Engineering
      • Marine, Shipping & Ship Breaking
      • Process Industries
      • Oil & Gas, Petrochemical, Heavy Oil, Hydrocarbon & Refinery
      • Water Treatment
      • Waste Treatment & Sewage Plant
      • Refrigerant & HVAC
      • Automobile
      • Thermal,Hydro, Power Plants, Boiler & Steam Turbines
      • Nuclear power plants

      Additional Information:
      • Item Code: F-DE70
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      EK Engineering Near Vyas Public School, Opposite Police Line,
      Bikaner-334001, Rajasthan, India

      Vinod Gogoriya ( Owner )
      08048955629Call Response Rate: 8%
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