Explosion Proof
EXPLOSION-PROOF PHOTOELECTRIC BEAM SENSOR PXH-400EX
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Feature
Feature
Long-distance beam sensor for outdoor use equipped with intrinsically safe explosion-proof structure which can be used in hazardous areas of Class 1(Zone 1) and Class 2(Zone 2).
Two types of the product (”L” and “H”) with different frequencies available for mutual interference prevention in case of multi-level protection and long straight line protection.
Specification
| Product | Explosion-proof Photoelectric beam sensor |
|---|---|
| Model | PXH-400EXL PXH-400EXH |
| Test model number | Transmitter: No. T68885 Receiver : No : T68884 |
| Test model (100V) | Transmitter PXH-411EXL PXH-411EXH Receiver PXH-421EXL PXH-421EXH |
| Test model (200V) | Transmitter PXH-412EXL PXH-412EXH Receiver PXH-422EXL PXH-422EXH |
| Protection Distance | 400m or less |
| Max. arrival distance | 3000m |
| Detection system | Near infrared pulsed beam interruption system |
| Infrared beam | Double modulation pulsed beam by LED |
| Response time | 0,.05 sec or more |
| Alarm output (relay built-in : receiver) |
Dry contact relay output form b (closed: in operation, open : on alarm) Contact action : Interruption time (Min. 2 sec) Contact capacity : AC/DC 30V・0.25A・Max.7.5VA (resistive load) |
| Power supply | 100V : AC100V (50/60Hz) 200V : AC200V (50/60Hz) |
| Current consumption | Transmitter : 4.6VA 50Hz・2.9VA 60Hz Receiver : 4.7VA 50Hz・3.0VA 60Hz |
| Ambient temperature range | -10 to +40˚C (no condensation and freezing) |
| Explosion-proof structure | Combination of "Intrinsically safe explosion-proof (ia)" and "Explosion-proof (d)" |
| Target gas | Flame-proof grade explosion class 2, Ignition temperature G4 |
| Installation area | Hazardous area class 1, or class 2 |
| Wiring | Terminals |
| Entrance of cable lead-in fitting | Pressure-resistant packing type JIS B0202 : Nominal designation of screw thread for thick steel conduit tube G1(PF1):CTG28 |
| Entrance of protection tube | G3/4 (PF3/4) |
| Weight | Transmitter/Receiver Approx. 12.5kg/unit |
| Appearance | Stainless steel plate, bake-coated with heat curing epoxy resin (Munsell N7) |
