Photohelic® Switch/Gages in Flame-Proof Enclosures
Approved Photohelic® Switch/Gages with 120, 240 or 24 VAC Power are available in aluminum with glass window, allowing for viewing of set point needles and process pressure.
Features
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3-in-1 ATEX approved instrument allows the reduction of several instruments with one product, saving inventory, installation time and money
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Flame-proof ATEX enclosure with optional glass window and aluminum housing protects the device in hazardous areas while giving local visibility to process pressure and set point status
Product Applications
Specifications
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Service: Air and non-combustible, compatible gases.
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Wetted Materials: Consult factory.
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Accuracy: ±2% of FS at 70°F (21.1°C); ±3% on -0 and ±4% on -00 models.
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Pressure Limits: -20 in Hg to 25 psig (-0.677 to 1.72 bar). MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
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Temperature Limits: 20 to 120°F (-6.67 to 48.9°C) LT low temperature option to -20°F available; (Note: Product temperature limits differ from case).
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Dial Size: 4" (101.6 mm).
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Mounting Orientation: Diaphragm in vertical position.
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Set Point Adjustment: Adjustable knobs on Photohelic® gage face behind enclosure cover. Follow instructions and safety warnings to open cover.
SWITCH SPECIFICATIONS:
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Switch Type: Each setpoint has 2 Form C relays (DPDT).
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Repeatability: ±1% of FS.
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Electrical Rating: 10 A @ 120 VAC, 6 A @ 240 VAC, 60 Hz res. 10 A @ 28 VDC.
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Electrical Wiring: Screw terminals.
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Power Requirements: 120 VAC, 50/60 Hz; 240 VAC & 24 VAC power optional.
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Enclosure Rating: IP66. IP65 with option OPV, overpressure relief valve.
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Housing material: Aluminum.
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Finishing: Texture epoxy coat RAL7038.
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Pressure Connections: 1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
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Electrical Connections: Three 1/2" FNPT. Cable gland not included.
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Weight: 28.4 lb (12.9 kg).
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ATEX Certificate: BVI 14ATEX0072.
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Agency Approvals: ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db
