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Trafag AG sensors & controls
Data Sheet «Simple Apparatus» conformity to ATEX 924

Data Sheet «Simple Apparatus» conformity to ATEX 924

Product catalog summary

Overview
Trafag Sensors & Controls offers a differential pressure pressostat designed for use in potentially explosive atmospheres. The device is compact, rugged, and can be mounted in any position. It is suitable for use as a 'simple apparatus' in explosion-risk zones.

Applications and Features

Compact design with rugged housing
IP65 protection rating
Conforms to ATEX 924 for use in explosive atmospheres
Swiss-based Trafag is a leading supplier of high-quality sensors

Technical Specifications

Measuring Principle: Bellow
Repeatability: ± 1.0% FS typical
Measuring Range: -1 to 18 bar
Media Temperature: -40°C to +150°C
Ambient Temperature: -25°C to +70°C
Output Signal: 1 floating change-over contact (SPDT)
Approval: EN60730-1/EN60730-2-6, EN60079-0, EN60079-11 for Zone 1, 2, 21, and 22

Optional Accessories

Ex-i barriers for intrinsically safe applications
Various adapters and damping elements available

Specifications

Accuracy: Repeatability ± 1.0% FS, Scale accuracy ± 2.0% FS
Environmental Conditions: Humidity max 95% relative, Vibration 5-100 Hz, Shock 50g/11ms
Mechanical Data: Housing AlSi10Mg/epoxy coated, Sealing NBR, Weight ~610g
Electrical Connection: Cable gland M20x1.5, Terminal screw 3 x 1.5...4 mm²

Dimensions and Electrical Data

Switching Differential: Not adjustable, varies by measuring range
Microswitch: Gold plated contacts, U0 = 24 V, I0 = 100 mA, P0 = 600 mW

Additional Information

Data Sheet: www.trafag.com/H72365
Instructions: www.trafag.com/H73175
Flyer: www.trafag.com/H70920

Catalog excerpts

Data Sheet «Simple Apparatus» conformity to ATEX 924-1

«Simple Apparatus» conformity to ATEX 924 Differential Pressure Pressostat Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Potentially explosive atmosphere Compact design Rugged housing Protection IP65 Any mounting position possible May be used as „simple apparatus“ in zones at risk of explosions Technical Data Measuring principle Measuring range Media temperature Differential pressure Ambient temperature Output signal 1 Floating change-over contact (SPDT) Switching differential Trafag Sensors & Controls Switzerland www.trafag.com [email protected]

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Data Sheet «Simple Apparatus» conformity to ATEX 924-2

«Simple Apparatus» conformity to ATEX 924 Ordering information/type code XXX XX XX XXX XX XX Custom build code Switch point indicator behind cover With gold plated contacts, switching differential not adjustable Sensor material Sensor housing material Bronze Bronze Bronze Bronze Bronze Brass chemically nickel plated Brass chemically nickel plated Brass chemically nickel plated Brass chemically nickel plated Brass chemically nickel plated Thread G1/8” female G1/8” female G1/8” female G1/4” female G1/4” female G1/4” female G1/2” male G1/2” male G1/2” male G1/8” female G1/8” female G1/8” female...

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Data Sheet «Simple Apparatus» conformity to ATEX 924-3

«Simple Apparatus» conformity to ATEX 924 Specifications Accuracy Switching differential Adjustment range switchpoint Environmental conditions Screwed cable gland Polyamide (PA), light blue Mounting torque Dielectric strength Life time (mechanical) Cable gland M20x1.5 Cable-Ø 4...10 mm, max. cable length according to EN 60079-11 Electrical connection Storage temperature Media temperature Mechanical Data Ambient temperature Other adjustment ranges upon request

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Data Sheet «Simple Apparatus» conformity to ATEX 924-4

«Simple Apparatus» conformity to ATEX 924 Dimensions (106.6) 106 91 Dimension X see data sheet H7

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Data Sheet «Simple Apparatus» conformity to ATEX 924-5

«Simple Apparatus» conformity to ATEX 924 Switching differential typ. @ 25°C Measuring range of bellows sensor Microswitch 71 Switching differential (not adjustable) Electrical data switch Type 71 Features Gold plated contacts Electrical connection Additional information Documents Data sheet Instructions Flyer

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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