Dwyer产品 655A系列316L不锈钢液用差压变送器美国德威尔压差表流量计差压计差压开关差压变送器

655A系列316L不锈钢液用差压变送器
产品说明：
量程可低至3英寸水柱，NIST溯源6点校准
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。
产品规格：
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.