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672-1/2/3/4/5/6/7/8/9-A 低壓力變送器 Dwyer德威爾-上海茂培供應672系列 低壓力變送器采用了可變電容技術，廣泛用于低壓力應用場合。它能測量低至10英寸水柱，高至400英寸水柱。對于單壓來說，這是非常低的測量范圍。精度為0.25%，它可用于監測液位，水位，潔凈室，明渠流量等應用場合。

The SERIES 672 Low Pressure Transducer is a perfect solution to any The Series 672

Low Pressure Transducer is a perfect solution to any application where a very accurate

low pressure transducer is necessary. Using variable capacitance technology, the

Series 672 is designed to measure pressures as low as 10 in w.c. up to 400 in w.c.,

very low ranges for a single connection pressure transducer. The 672 also features

a 0.25% FS accuracy. Use the Series 672 in liquid level, flood warning, waste water,

clean room, and open channel flow applications.

672-1/2/3/4/5/6/7/8/9-A 低壓力變送器 Dwyer德威爾-

Service: Compatible liquids and gases.

Wetted Materials: 318 Duplex SS, Ceramic, Fluoroelastomer (FKM).

Housing Material: 318 Stainless Steel.

Accuracy: ±0.25% F.S. (RSS). Includes non-linearity, hysteresis, and non-repeatability.

Stability: 0.25% F.S./1 year.

Temperature Limits: -40 to 212°F (-40 to 100°C).

Compensated Temperature Limits: -5 to 140°F (-20 to 60°C).

Pressure Limits: 29 psi (2 bar) for up to 85" w.c. (0.2 bar) ranges; 58 psi (4 bar) for 85" to 140" w.c. (0.2 to 0.35 bar); 73 psi (5 bar) for 141" to 400" w.c. (0.35 to 1 bar).

Thermal Effects: Zero: 1.0%F.S./100°F (2.0%F.S./100°C); Span: 1.0%F.S./100°F (2.0%F.S./100°C).

Power Requirements: 4-20 mA: 9-35 VDC; 0-5 VDC: 7.5-35 VDC.

Output Signal: 4-20 mA (2-wire) or 0-5 VDC (3-wire).

Zero & Span Adjustment: ±10% F.S. each (by Potentiometer).

Response Time: 5 ms.

Max Loop Resistance: 1.325 kΩ.

Electrical Connections: Large DIN 43650 connector with mating plug.

Process Connection: 1/4"-18 NPT male.

Enclosure Rating: NEMA 4X (IP65).

Weight: 11.6 oz (330 g).

Agency Approval: CE.

Service: Compatible liquids and gases.

Wetted Materials: 318 Duplex SS, Ceramic, Fluoroelastomer (FKM).

Housing Material: 318 Stainless Steel.

Accuracy: ±0.25% F.S. (RSS). Includes non-linearity, hysteresis, and non-repeatability.

Stability: 0.25% F.S./1 year.

Temperature Limits: -40 to 212°F (-40 to 100°C).

Compensated Temperature Limits: -5 to 140°F (-20 to 60°C).

Pressure Limits: 29 psi (2 bar) for up to 85" w.c. (0.2 bar) ranges; 58 psi (4 bar) for 85" to 140" w.c. (0.2 to 0.35 bar); 73 psi (5 bar) for 141" to 400" w.c. (0.35 to 1 bar).

Thermal Effects: Zero: 1.0%F.S./100°F (2.0%F.S./100°C); Span: 1.0%F.S./100°F (2.0%F.S./100°C).

Power Requirements: 4-20 mA: 9-35 VDC; 0-5 VDC: 7.5-35 VDC.

Output Signal: 4-20 mA (2-wire) or 0-5 VDC (3-wire).

Zero & Span Adjustment: ±10% F.S. each (by Potentiometer).

Response Time: 5 ms.

Max Loop Resistance: 1.325 kΩ.

Electrical Connections: Large DIN 43650 connector with mating plug.

Process Connection: 1/4"-18 NPT male.

Enclosure Rating: NEMA 4X (IP65).

Weight: 11.6 oz (330 g).

Agency Approval: CE.