Dwyer 608系列 微差壓變送器

608系列

微差壓變送器

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防護的外殼適合用于各種工業場合。

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 微差壓變送器