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                產品中心您的位置:網站首頁 > 產品中心 > 差壓產品 > 差壓變送器 > Dwyer 677B系列 差壓變送器

                Dwyer 677B系列 差壓變送器

                簡要描述:

                Dwyer 677B系列 差壓變送器
                The Transmitter Features 15 Psid Overpressure, Reverse Polarity Protection And EMI/RFI Protection. Internal Regulation Permits Use With Unregulated DC Power Supplies. The NEMA 4 Hou

                Dwyer 677B系列 差壓變送器

                 

                Series 677B Differential Pressure Transmitters Are Designed To Measure Pressures As Low As 0.1 In W.C. With ±0.4% Accuracy. Use Series 677B For Building Energy Management Systems, Environmental Pollution Control, Oven Pressurization, Lab And Fume Hood Control, HVAC And VAV Applications. The Transmitter Features 15 Psid Overpressure, Reverse Polarity Protection And EMI/RFI Protection. Internal Regulation Permits Use With Unregulated DC Power Supplies. The NEMA 4 Housing Allows For Versatile Mounting Locations And Integral Mounting Tabs Simplify Installation.

                Dwyer 677B系列 差壓變送器

                Service: Air And Non-Conductive, Non-Corrosive Gases.

                Wetted Materials: 302 SS, Glass, Nickel, Silicone Rubber And Brass.

                Accuracy: ±0.4% FS* At Room Temperature. *RSS Includes Non-Linearity, Hysteresis And Non-Repeatability.

                Stability: ±1% FS/Yr.

                Temperature Limits
                Operating And Compensated: 0 To 185°F (-18 To 85°C);
                Storage: -65 To 220°F (-54 To 105°C).

                Pressure Limit: 15 Psi (100 KPa).

                Thermal Effects: (Includes Zero And Span) <0.028% FS/°F, 0 To 185°F (-18 To 85°C).

                Power Requirements: 16 To 32 VDC.

                Output: 4 To 20 MA DC, 2-Wire.

                Zero And Span Adjustments: Internally Accessible Potentiometers, Noninteractive.

                Response Time: Approximay 10 Ms.

                Max. Loop Resistance: DC: 0 To 800 Ohms.

                Process Connection: 3/16" OD Barbed Brass Pressure Fitting.

                Enclosure Rating: NEMA 4 (IP65).

                Weight: 11.5 Oz (330 G).

                Agency Approval: CE.

                附件:

                • NISTCAL-PT1 - NIST Traceable Calibration Certificate For Pressure Transmitters.
                • A-302F-A - 303SS Static Pressure Tip With Mounting Flange, 4" Hook Style. For 3/16" ID Rubber Or Plastic Tubing, Includes Mounting Screws.
                • A-489 - 4" 303 SS Straight Static Pressure Tip With Flange.

                 

                 

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