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608系列 微差压变送器用于空气或其它兼容气体的压力，差压，负压的测量，输出标准的两线制4-20 mA信号。它采用了超薄的硅胶隔膜，可测量低到0.1英寸水柱的量程范围
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Dwyer 608系列 微差压变送器
608系列
微差压变送器
测量量程可低至0.1英寸水柱，FM认证，NEMA 4X防护
608系列 微差压变送器用于空气或其它兼容气体的压力，差压，负压的测量，输出标准的两线制4-20 mA信号。它采用了超薄的硅胶隔膜，可测量低到0.1英寸水柱的量程范围，并且同时可承受高静压到100 psig (6.89 bar)。608变送器带有FM认证的本安防爆证书，配合本安隔离栅可用于危险场合。它的不锈钢的NEMA 4X防护的外壳适合用于各种工业场合。
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 to 1045 Ω maximum.
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.
Dwyer 608系列 微差压变送器