Dwyer 636D系列 防爆差压变送器

Dwyer 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。

Dwyer 636D系列 防爆差压变送器

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).

Agency Approvals: CSA Approved Explosion-Proof For Class I, Division 1, Groups B, C And D; Class II, Groups E, F, And G; Class III.