Series-AT-ADPS

ATEX/IECEx Differential Pressure Switch, 0.08-20 inH2O, Flameproof

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Flameproof enclosure with optional glass window and aluminum housing protects the device in hazardous areas while giving local visibility to set point status
Increased response time at low pressures with LD port configuration

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Series-AT-ADPS

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11 Variations available

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Data Sheet

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Product Overview

Approvals ATEX Certificate: INERIS 21ATEX0033X, IECEx Certificate: IECEx INE 21.0064X
Compliance CE, Ex
Compliance Note ATEX: 0080 II 2G Ex db IIC T5, T6 Gb -60°C≤Ta≤+50°C (T6) -60°C≤Ta≤+60°C (T5); II 2D Ex tb IIIC T75°C Db; IECEx: Ex db IIC T5, T6 Gb -60°C≤Ta≤+50°C (T6) -60°C≤Ta≤+60°C (T5) Ex tb IIIC T75°C Db.
Electrical Connection 1/2 in NPT female Conduit with Screw Terminal block
Enclosure Ratings IP66
Materials, Wetted Brass, Nylon 6.6, POM, Silicone
Mechanical Life >10^6 cycles
Media Compatibility Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases
Mounting Orientation Vertical with Downward Pressure Ports
Operating Temperature, Max 185 °F
Operating Temperature, Min -4 °F
Pressure Type Differential
Process Connection Note 1/8˝ NPT female brass (SS optional)
Process Connection Size 1/8 in
Process Connection Type NPT Female
Proof Pressure Up to 10 kPa
Set Point Adjustment Hand Knob (Inside Case)
Switch Note Standard: Max. 1.5 A @ 250 VAC, max. switching rate: 6 cycles/ min
Switch Rating 1.5 A @ 250 Vac
Switch Type SPDT NO/NC, Selectable
Weight 4.7 kg

The Series AT-ADPS ATEX/IECEx Approved Differential Pressure Switch is designed for pressure, vacuum, and differential pressure applications in hazardous areas. The dual scaled adjustment knob in inches water column and Pascals allows changes to the switching pressure to be made without a pressure gage. The switch is available with settings from 0.08 in w.c. (20 Pa) up to 20 in w.c. (5000 Pa). The silicone diaphragm makes this series ideal for use with air and other noncombustible gases. Flameproof enclosures are available in aluminum and can include a glass window for viewing set point status on the adjustment knob.

Important notes for installation:
• Cables must be fitted through 1/2" NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
• Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating.
• Open cover only after de-energizing instrument.
Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous areas.

Please see Series ADPS for non-ATEX/IECEx approved.

California Residents: Click Here for Proposition 65 WARNING.