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測量量程可低至0.1英寸水柱，FM認證，NEMA 4X防護
608系列微差壓變送器用于空氣或其它兼容氣體的壓力，差壓，負壓的測量，輸出標準的兩線制4-20 mA信號。它采用了超薄的硅膠隔膜，可測量低到0.1英寸水柱的量程范圍，并且同時可承受高靜壓到100 psig (6.89 bar)。608變送器帶有FM認證的本安防爆證書，配合本安隔離柵可用于危險場合。它的不銹鋼的NEMA 4X防護的外殼最適合用于各種工業場合。
應用及案例
? 實驗室風柜控制
? 潔凈室應用
? 流量測量與控制
? 過濾器監測
? 爐膛抽風測量
? 過程控制
產品特色
? High accuracy at low pressure ranges provides exceptional measurement for ensuring tight-control and minimizing costly out of specification conditions
? Intrinsically safe for use in the specified hazardous locations meets specifications where pressure transmission and safety cannot be compromised
? NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
Service: Clean/Dry Air And Compatible Combustible Gases (See Agency Approvals For FM Ratings).
Wetted Materials: Consult Factory.
Accuracy: ±0.5% Or ±0.25% Full Scale.
Stability: ±0.5% F.S./Yr.
Pressure Limits: 100 Psig (6.89 Bar); 15 Psid (1.03 Bar).
Temperature Limits: -20 To 185°F (-28 To 85°C).
Compensated Temperature Range: 0 To 160°F (-18 To 71°C).
Thermal Effect: 0.5% Accuracy: ±0.02% F.S./°F; 0.25% Accuracy: ±0.01% F.S./°F.
Power Requirements: 12 To 36 VDC (2-Wire).
Output Signal: 4 To 20 MA DC.
Zero And Span Adjustments: Potentiometers For Zero And Span.
Response Time: 250 Ms.
Loop Resistance: DC: 0-1045 Ohms Maximum.
Current Consumption: 4-20 MA.
Electrical Connections: Screw Terminals: Two 1/2" Female NPT Conduit.
Process Connections: Two 1/4" Female NPT.
Enclosure Rating: NEMA 4X (IP65).
Mounting Orientation: Not Position Sensitive.
Weight: 2 Lb (0.9 Kg).
Agency Approvals: FM Approved Intrinsically Safe For Use In Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, Div. 1 When Wire With Approved Intrinsically Safe Barrier. Entity Parameters: Vmax=36 VDC; Imax=250 MA; C=12 NF; L=0 MH.
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