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    Pressure Switches & Sensors

    Ex-DNS / Ex-VNS Pressure Switches and vacuum switches with stainless steel sensors (14571)

    Pressure switches of the DNS series are suitable for monitoring and controlling pressures in chemical plants, process engineering and any situation where the pressure of aggressive liquids and gases must be monitored.

    Overview

    Ex-DNS / Ex-VNS Pressure Switches and vacuum switches with stainless steel sensors (1.4571) are are suitable for monitoring and controlling pressures in chemical plants, process engineering and any situation where the pressure of aggressive liquids and gases must be monitored. All components of the sensor system are made from highquality stainless steel (1.4571) and welded using the latest methods without filler metals. The pressure sensor is gasket free plasma welded.It comes with robust housing made of seawaterresistant die cast aluminium GD Al Si 12.The die cast aluminium housing in GD Al Si ischromated and stove enamelled with resistantplastic. Corrosion tests with 3% saline solutionand 30 temperature changes from +10 to+80°C showed no surface changes after 20days.For Ex-DNS /Ex-VNS switching differential is not adjustable.

    Features & Benefits:
    • The Ex-DNS and Ex-VNS series are calibrated for falling pressure. This means that the adjustableswitching pressure on the scale corresponds to the switching point at falling pressure. The reset point is higher by the amount of the switching differential.
    Certifications:
    • IBExU12ATEX1040 according ATEX 2014/34/EU
    • IECEx IBE 14.0077
    • SIL2 according IEC 61508-2
    Specifications

    Others

    • Switching Differential
      • 0.002 bar (air pressure)
    • Minimum Operating Ambient Temperature
      • -20
    • Maximum Operating Ambient Temperature
      • 60
    • Switch Configuration
      • 3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC
      • 3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC
      • SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive
      • SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive
    • Scale Calibration
      • falling pressure
    • Pressure Type
      • Overpressure Relative
      • overdruk relatief
      • sobrepresión relativa
      • sovrapressione relativa
      • surpression relative
      • Überdruck relativ
    • Connection Type
      • Internal Thread G1/4 in, External Thread G1/2 in
    • Brand
      • FEMA
      • Honeywell

    Others

    • Switching Differential
      • 0.002 bar (air pressure)
    • Minimum Operating Ambient Temperature
      • -20
    • Maximum Operating Ambient Temperature
      • 60
    • Switch Configuration
      • 3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC
      • 3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC
      • SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive
      • SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive
    • Scale Calibration
      • falling pressure
    • Pressure Type
      • Overpressure Relative
      • overdruk relatief
      • sobrepresión relativa
      • sovrapressione relativa
      • surpression relative
      • Überdruck relativ
    • Connection Type
      • Internal Thread G1/4 in, External Thread G1/2 in
    • Brand
      • FEMA
      • Honeywell
    • Switching Differential : 0.002 bar (air pressure)
    • Minimum Operating Ambient Temperature : -20
    • Maximum Operating Ambient Temperature : 60
    • Switch Configuration : 3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC|3 A bei 250 , 2 A bei 250 induktiv, 3 A bei 24 V DC, 0,03 A bei 250 V DC|SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive|SPDT Microswitch; Capacity 2 A Inductive, 3 A Resistive
    • Scale Calibration : falling pressure
    • Pressure Type : Overpressure Relative|overdruk relatief|sobrepresión relativa|sovrapressione relativa|surpression relative|Überdruck relativ
    • Connection Type : Internal Thread G1/4 in, External Thread G1/2 in
    • Brand : FEMA|Honeywell
    Others
    Name
    Description
    File Size
    Date
    Size
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (German)
    application/pdf 707.78 KB
    9/10/2024
    707.78 KB
    Druck- und Temperaturschalter
    application/pdf 190.36 KB
    10/3/2024
    190.36 KB
    Pressure switch and thermostat series for explosive atmosphere environment
    application/pdf 497.66 KB
    10/3/2024
    497.66 KB
    Safety Manual - DWAM,DWAMV,SDBAM,FD (German and English)
    application/pdf 660.41 KB
    10/1/2019
    660.41 KB
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (German)
    application/pdf 708.96 KB
    9/10/2024
    708.96 KB
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (English)
    application/pdf 659.05 KB
    9/10/2024
    659.05 KB
    S�rie FT69XX-XX THERMOSTAT ANTI-GEL UN ETAGE
    application/pdf 90.48 KB
    10/3/2024
    90.48 KB
    FEMA Pressure Switch and thermostat type range
    application/pdf 250.54 KB
    7/17/2024
    250.54 KB
    Pressure and temperature switches
    application/pdf 206.21 KB
    10/3/2024
    206.21 KB
    ЕВРАЗИЙСКИЙ ЭКОНОМИЧЕСКИЙ СОЮЗ ДЕКЛАРАЦИЯ О СООТВЕТСТВИИ
    application/pdf 1.95 MB
    7/17/2024
    1.95 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Hungarian)
    application/pdf 643.96 KB
    10/3/2024
    643.96 KB
    M6061 MOTEURS POUR VANNES ROTATIVES
    application/pdf 443.83 KB
    9/9/2024
    443.83 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Danish)
    application/pdf 570.83 KB
    10/3/2024
    570.83 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Polish)
    application/pdf 648.46 KB
    10/3/2024
    648.46 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Norwegian)
    application/pdf 556.21 KB
    10/3/2024
    556.21 KB
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (English)
    application/pdf 664.04 KB
    9/10/2024
    664.04 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Russian)
    application/pdf 666.79 KB
    10/3/2024
    666.79 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Chinese)
    application/pdf 754.19 KB
    10/3/2024
    754.19 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (French)
    application/pdf 582.99 KB
    10/3/2024
    582.99 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM(Danish)
    application/pdf 557.56 KB
    10/3/2024
    557.56 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    application/pdf 1.92 MB
    10/3/2024
    1.92 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Estonian)
    application/pdf 572.51 KB
    10/3/2024
    572.51 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Spanish)
    application/pdf 566.16 KB
    10/3/2024
    566.16 KB
    SIL 2 Assessment Report
    application/pdf 1.49 MB
    10/3/2024
    1.49 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Czech)
    application/pdf 1.12 MB
    10/3/2024
    1.12 MB
    Safety Manual - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    application/pdf 618.94 KB
    10/3/2024
    618.94 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Italian)
    application/pdf 573.99 KB
    10/3/2024
    573.99 KB
    Name
    Description
    File Size
    Date
    Size
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (German)
    application/pdf 707.78 KB
    9/10/2024
    707.78 KB
    Druck- und Temperaturschalter
    application/pdf 190.36 KB
    10/3/2024
    190.36 KB
    Pressure switch and thermostat series for explosive atmosphere environment
    application/pdf 497.66 KB
    10/3/2024
    497.66 KB
    Safety Manual - DWAM,DWAMV,SDBAM,FD (German and English)
    application/pdf 660.41 KB
    10/1/2019
    660.41 KB
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (German)
    application/pdf 708.96 KB
    9/10/2024
    708.96 KB
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (English)
    application/pdf 659.05 KB
    9/10/2024
    659.05 KB
    S�rie FT69XX-XX THERMOSTAT ANTI-GEL UN ETAGE
    application/pdf 90.48 KB
    10/3/2024
    90.48 KB
    FEMA Pressure Switch and thermostat type range
    application/pdf 250.54 KB
    7/17/2024
    250.54 KB
    Pressure and temperature switches
    application/pdf 206.21 KB
    10/3/2024
    206.21 KB
    ЕВРАЗИЙСКИЙ ЭКОНОМИЧЕСКИЙ СОЮЗ ДЕКЛАРАЦИЯ О СООТВЕТСТВИИ
    application/pdf 1.95 MB
    7/17/2024
    1.95 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Hungarian)
    application/pdf 643.96 KB
    10/3/2024
    643.96 KB
    M6061 MOTEURS POUR VANNES ROTATIVES
    application/pdf 443.83 KB
    9/9/2024
    443.83 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Danish)
    application/pdf 570.83 KB
    10/3/2024
    570.83 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Polish)
    application/pdf 648.46 KB
    10/3/2024
    648.46 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Norwegian)
    application/pdf 556.21 KB
    10/3/2024
    556.21 KB
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (English)
    application/pdf 664.04 KB
    9/10/2024
    664.04 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Russian)
    application/pdf 666.79 KB
    10/3/2024
    666.79 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Chinese)
    application/pdf 754.19 KB
    10/3/2024
    754.19 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (French)
    application/pdf 582.99 KB
    10/3/2024
    582.99 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM(Danish)
    application/pdf 557.56 KB
    10/3/2024
    557.56 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    application/pdf 1.92 MB
    10/3/2024
    1.92 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Estonian)
    application/pdf 572.51 KB
    10/3/2024
    572.51 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Spanish)
    application/pdf 566.16 KB
    10/3/2024
    566.16 KB
    SIL 2 Assessment Report
    application/pdf 1.49 MB
    10/3/2024
    1.49 MB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Czech)
    application/pdf 1.12 MB
    10/3/2024
    1.12 MB
    Safety Manual - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    application/pdf 618.94 KB
    10/3/2024
    618.94 KB
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Italian)
    application/pdf 573.99 KB
    10/3/2024
    573.99 KB
    Name
    Description
    File Size
    Date
    Size
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (German)
    707.78 KB
    9/10/2024
    Druck- und Temperaturschalter
    190.36 KB
    10/3/2024
    Pressure switch and thermostat series for explosive atmosphere environment
    497.66 KB
    10/3/2024
    Safety Manual - DWAM,DWAMV,SDBAM,FD (German and English)
    660.41 KB
    10/1/2019
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (German)
    708.96 KB
    9/10/2024
    Technical Datasheet - EX-DCM/EX-DNM Pressure switches and pressure monitors for overpressure (English)
    659.05 KB
    9/10/2024
    S�rie FT69XX-XX THERMOSTAT ANTI-GEL UN ETAGE
    90.48 KB
    10/3/2024
    FEMA Pressure Switch and thermostat type range
    250.54 KB
    7/17/2024
    Pressure and temperature switches
    206.21 KB
    10/3/2024
    ЕВРАЗИЙСКИЙ ЭКОНОМИЧЕСКИЙ СОЮЗ ДЕКЛАРАЦИЯ О СООТВЕТСТВИИ
    1.95 MB
    7/17/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Hungarian)
    643.96 KB
    10/3/2024
    M6061 MOTEURS POUR VANNES ROTATIVES
    443.83 KB
    9/9/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Danish)
    570.83 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Polish)
    648.46 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Norwegian)
    556.21 KB
    10/3/2024
    Technical Datasheet - EX-DNS/EX-VNS Pressure switches and vacuum switches with stainless steel sensors (1.4571) (English)
    664.04 KB
    9/10/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Russian)
    666.79 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Chinese)
    754.19 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (French)
    582.99 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM(Danish)
    557.56 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    1.92 MB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Estonian)
    572.51 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Spanish)
    566.16 KB
    10/3/2024
    SIL 2 Assessment Report
    1.49 MB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Czech)
    1.12 MB
    10/3/2024
    Safety Manual - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (German and English)
    618.94 KB
    10/3/2024
    Installation and Operating Instructions - DCM,DNM,DNS,VCM,VNM,VNS,DDCM,EX-DCM,EX-DNM,EX-DNS,EX-VNS,EX-DDCM,EX-VCM,EX-VNM (Italian)
    573.99 KB
    10/3/2024
    Product Number
    Part Number
    Description
    Leaf Category
    Thumbnail
    Add to list
    EX-DNS025
    Pressure Switch with Stainless Steel Sensor to ATEX 201434EU, SPCO; differential not adjustable; setting range: 0,04…0,25 bar; switching differential: 20 ... 37 mbar; max pressure: 6 bar
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-bms-ex-pressure-switch-primaryimage
    EX-DNS025
    Pressure Switch with Stainless Steel Sensor to ATEX 201434EU, SPCO; differential not adjustable; setting range: 0,04…0,25 bar; switching differential: 20 ... 37 mbar; max pressure: 6 bar
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-bms-ex-pressure-switch-primaryimage
    EX-DNS06
    Pressure Switch with Stainless Steel Sensor to ATEX 201434EU, SPCO; differential not adjustable; setting range: 0,1…0,6 bar; switching differential: 10 ... 35 mbar; max pressure: 6 bar
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-bms-ex-pressure-switch-primaryimage
    EX-DNS06
    Pressure Switch with Stainless Steel Sensor to ATEX 201434EU, SPCO; differential not adjustable; setting range: 0,1…0,6 bar; switching differential: 10 ... 35 mbar; max pressure: 6 bar
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-bms-ex-pressure-switch-primaryimage