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防爆，精度為±0.5%
636D系列防爆差壓變送器能用于監(jiān)測(cè)液體，氣體和蒸汽的差壓。精度為0.5%，4-20mA的標(biāo)準(zhǔn)輸出信號(hào)，可選1-5VDC輸出。NEMA 4 防護(hù)級(jí)別的外殼，全316不銹鋼的材質(zhì)能夠用于惡劣的場合，可兼容絕大多數(shù)介質(zhì)。它為CSA認(rèn)證的防爆級(jí)別能用于危險(xiǎn)場合，還達(dá)到美國腐蝕工程師協(xié)會(huì)的標(biāo)準(zhǔn)能用于海上設(shè)施。
應(yīng)用及案例
? Monitoring Differential Pressure for: Oil & Gas Applications, Level Measurements in Non-Vented Liquid Tanks, Filtration Systems, Compressor Control, Process Control.
產(chǎn)品特色
? NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
? Explosion-proof device for use in hazardous areas
? Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application
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.
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