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636D系列 防爆差压变送器 能用于监测液体，气体和蒸汽的差压。精度为0.5%，4-20mA的标准输出信号，可选1-5VDC输出。NEMA 4 防护级别的外壳，全316不锈钢的材质能够用于恶劣的场合，可兼容绝大多数介质。它为CSA认证的防爆级别能用于危险场合，还达到美国腐蚀工程师协会的标准能用于海上设施。
Service: Compatible gases, liquids or vapors.
Wetted Materials: Types 316L SS.
Accuracy: BFSL: ±0.5% F.S. (includes linearity, hysteresis & repeatability).
Stability: ±1.0% F.S./yr.
Pressure Limits: 3 x full scale differential pressure; burst: 2500 psig.
Temperature Limits: Ambient Operating: -40 to 140°F (-40 to 60°C); Process Interface: -40 to 212°F (-40 to 100°C); Storage: -40 to 212°F (-40 to 100°C).
Compensated Temperature Range: -20 to 160°F (-29 to 71°C).
Thermal Effect: ±2% F.S./50°F (reference to 77°F).
Power Requirements: 12-30 VDC for 4-20 mA outputs; 8-14 VDC for 1-5 VDC outputs, both with reverse polarity protection.
Output Signal: 4 to 20 mA DC or 1-5 VDC.
Zero and Span Adjustments: Fixed.
Response Time: 20 ms.
Loop Resistance: 900 ohms max. @ 30 VDC for current outputs. For voltage outputs, minimum lead resistance 50k ohms.
Current Consumption: 4-20 mA for current output models; 3 mA for voltage output models.
Electrical Connections: 2 ft, 22 AWG cable; 3/4" female NPT conduit.
Process Connection: Two 1/2" female NPT.
Enclosure Rating: NEMA 4 (IP65).
Mounting Orientation: ±0.05 psi/90° rotation from horizontal.
Weight: 1.8 lb (0.82 kg).
