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Ashcroft
Ashcroft A Series Explosion Proof Pressure Switch
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Ключевые параметры
Measuring range
Vacuum −15 psi through 15,000 psi (range codes per datasheet)
Accuracy
Setpoint repeatability ±2% of span (ranges 200–15,000 psi); ±5% of span (−15/15 through 100 psi)
Output
SPDT or DPDT snap-acting micro switch (5 A / 3 A / gold-contact options)
Process connection
1/8–1/2 NPT F/M, SAE, VCR/VCO, Tri-Clamp/Tri-Clover, G¼ options
Electrical connection
18 AWG leads with 1/2 NPT or M20×1.5 male conduit
Wetted parts
316L SS diaphragm or SS piston with Viton/Buna-N O-ring
| Параметр | Значение |
|---|---|
| Measuring range | Vacuum −15 psi through 15,000 psi (range codes per datasheet) |
| Accuracy | Setpoint repeatability ±2% of span (ranges 200–15,000 psi); ±5% of span (−15/15 through 100 psi) |
| Output | SPDT or DPDT snap-acting micro switch (5 A / 3 A / gold-contact options) |
| Process connection | 1/8–1/2 NPT F/M, SAE, VCR/VCO, Tri-Clamp/Tri-Clover, G¼ options |
| Electrical connection | 18 AWG leads with 1/2 NPT or M20×1.5 male conduit |
| Wetted parts | 316L SS diaphragm or SS piston with Viton/Buna-N O-ring |
| Protection | NEMA 4X / 7 / 9; IP67 |
| Ambient temperature | −40 to 192 °F (−40 to 89 °C); T5/T6 limits per material table |
| Approvals | UL; CSA; FM; ATEX; IECEx; CE; CRN; SIL 3 capable; RoHS; Dual Seal |
| Hazardous area | Class I Div 1 Groups A–D; Class II Div 1 E–G; ATEX/IECEx Ex d IIC; Dual Seal |
| Setpoint | Single setpoint; APS factory-set fixed deadband or APA field-adjustable |
| Enclosure Material | 316L stainless steel explosion-proof housing |
| Deadband | Fixed deadband (approximate values tabulated by range) |
| Vibration Shock | MIL-STD-202G vibration; shock 75 g / 10 ms / 3 axes |
| Special Features | Compact miniature explosion-proof design; hermetically sealed switch |