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Data Sheet EXPD 920/924/932

Data Sheet EXPD 920/924/932

Product catalog summary

Overview: The document provides technical specifications for the Trafag Ex Differential Pressure Switch (EXPD 920/924/932), designed for use in hazardous environments with gas and dust explosion risks. It features a rugged aluminum housing with IP66 protection and can be mounted in any position.

Applications: Suitable for environments with explosion hazards, the device is certified for gas (Ex d e iiC t6 Gb) and dust (Ex tb iiiC t80°C Db) protection.

Technical Specifications:

Measuring Principle: Bellow
Measuring Range: -1 to 18 bar
Media Temperature: -50°C to +150°C
Ambient Temperature: -50°C to +65°C
Output Signal: 1 floating change-over contact (SPDT)
Switching Differential: Not adjustable

Ordering Information: The product is available in different configurations, with options for display, adjusting screws, and knobs. Various pressure ranges and materials for sensors and housings are available.

Specifications:

Accuracy: Repeatability ± 1.0% FS, Scale accuracy ± 2.0% FS
Environmental Conditions: Max humidity 95% relative, Vibration 5-100 Hz, Shock 50g/11ms
Mechanical Data: Housing made of AlSi10Mg/Epoxy coated, Sealing NBR, Weight ~610g
Electrical Connection: Terminal screw, Cable gland M20x1.5/SW24

Dimensions: Detailed dimensions are provided for installation and mounting.

Switching Differential: The switching differential is fixed and varies with the measuring range, with typical values provided at 25°C.

Electrical Data: The switch rating is provided for resistive and inductive loads across various voltages.

Additional Information: Further documents and instructions are available on the Trafag website.

Catalog excerpts

Ex Differential Pressostat Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Rugged aluminium housing Protection IP66 Ex d e IIC T6 Gb Ex tb IIIC T80°C Db Any mounting position possible Technical Data Measuring principle Measuring range Media temperature Differential pressure Ambient temperature Output signal 1 Floating change-over contact (SPDT) Switching differential Areas with gaz explosion hazards: II 2 G Ex d e IIC T6 Gb Areas with dust explosion hazards: II 2 D Ex tb IIIC T80°C Db Trafag Sensors & Controls Switzerland www.trafag.com [email protected]

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EXPD 920/924/932 Ordering information/type code XXX XX XX XXX XX XX Custom build code Without display, with adjusting screw With display and adjusting knob With display and adjusting screw Sensor housing material Brass nickel plated Brass nickel plated Brass nickel plated Brass nickel plated Brass nickel plated Sensor material Brass nickel plated With mounting bracket Direct on sensor or housing Adapter G1/8" male - G1/2" male, brass Adapter G1/8" male - G1/2" male, brass nickel plated Adapter G1/8" male - G1/2" male, stainless steel 1.4435 Adapter G1/8" male - G1/4" female, brass Adapter G1/8"...

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EXPD 920/924/932 Specifications Accuracy Switching differential Adjustment range switchpoint Environmental conditions Screwed cable gland Mounting torque Dielectric strength Life time (mechanical) Electrical connections Terminal screw Cable gland M20x1.5/SW24 Cable-Ø 5.5...13 mm Approval: PTB 99 ATEX 3128 X Electrical connection Storage temperature Media temperature Mechanical Data Ambient temperature Other adjustment ranges upon request

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23.6 G1/8“x10 2x Dimension X see data sheet H72271

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EXPD 920/924/932 Switching differential typ. @ 25°C Measuring range of bellows sensor Microswitch 91 Switching differential (not adjustable) Electrical data switch Rating Resistive Load (Inductive Load) Type 91 Electrical connection Additional information Documents Data sheet Instructions Flyer

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Data Sheet EXPD 920/924/932

Data Sheet EXPD 920/924/932

Catalog excerpts

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