Valcom Intrinsic Safety Explosion-proof Barrier Zener-barrier
Pressure sensor [Intrinsic Safety Explosion-proof Barrier Zener-barrier(Approval)]
Model: VFM or VFM combined with MLT661 explosion-proof display
Recommended barriers
Manufacture name | Cooper Industries Japan K.K. (Former: MTL Instruments) |
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Type | Zener-barrier | Insulation barrier | Insulation barrier + Explosion-proof display |
Name of product (Model) | MTL7787 + | MTL5541 | MTL5541+MTL661 |
Explosion-proof structure rating | Exia Ⅱ CT4 | Exia Ⅱ CT4 | – |
Intrinsically safe explosion-proof construction
Items | Contents |
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Model name | VFM-A6-□□MP Main body of sensor + Indicator + Safety barrier(Barrier) |
Explosion-proof structure type | Intrinsic safety explosion-proof structure (ia) |
Ignition temperature or explosion class of target gas or steam | Ⅱ CT3 |
Rating | Circuit: Allowable voltage 28V, Allowable current 93mA, Allowable electric power 0.65W Internal inductance: 0.021mH Internal capacitance: 0.061µF Measurement pressure: Main body of sensor rating capacity Ambient temperature: 60°C |
Explosion-proof structure type | No. TC18814 |