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655A系列 316L不锈钢液用微差压变送器 用于高静压场合的微差压监测，特别适用于OEM设备，它能在过压非常高的情况下用于低至3英寸水柱的量程范围，精度达到0.25%。
655A系列变送器采用了先进的科技来保证高低压口的平衡。自动焊接制造技术使它在承受很高的压力的应用场合可靠耐用，寿命长。每个产品都带有NIST六点校准证书。
655A系列微差压变送器是全焊接的316不锈钢材质，在设计中没有采用任何O型环，特别适用于高静压应用场合，和保证不能泄露的应用场合。
Service: Compatible gasses or liquids.
Wetted Materials: 316L SST.
Accuracy: ±0.25% BFSL, RSS (combined effect of non-linearity, hysteresis, and repeatability).
Stability: ≤ ±0.25% FSO/yr.
Temperature Limits: -20 to 200°F (-29 to 93°C).
Compensated Temperature Limits: 0 to 170°F (-17.8 to 76.7°C).
Pressure Limits: 1000 psi (68.95 bar) continuous; 3000 psi (206.8 bar) burst.
Thermal Effects: ≤ ±1.5% F.S. over comp. temperature range.
Power Requirements: 8 to 38 VDC.
Output Signal: 4 to 20 mA.
Static Pressure Effects: On Zero: ≤ ±0.25% FSO per 1000 psi; On Span: ≤ ±0.5% of reading per 1000 psi.
Loop Resistance: 1500 Ω.
Electrical Connections: Cable exit with 24" cable; optional 6-pin connector.
Process Connections: 1/4" NPT female.
Enclosure Rating: Designed to meet NEMA 4X (IP66).
Mounting Orientation: Mount in vertical position: zero shifts up to 1" ±H2O depending on orientation.
Response Time: < 10 ms.
Weight: 18 oz (510 g).
Agency Approval: CE.
