Dwyer压力变送器672系列
低压力变送器
单压连接，可测低至10英寸水柱
672系列 低压力变送器采用了可变电容技术，广泛用于低压力应用场合。它能测量低至10英寸水柱，高至400英寸水柱。对于单压来说，这是非常低的测量范围。精度为0.25%，它可用于监测液位，水位，洁净室，明渠流量等应用场合。
服务:兼容的液体和气体。
材质:318DuplexSS,陶瓷,氟橡胶(FKM)。
外壳:318不锈钢。
精度:±0.25% F.S.(RSS)。包括非线性、滞后和非重复性。
稳定性:0.25% F.S./ 1年。
温度范围:-40到212°F(-40到100°C)。
温度补偿范围:5到140°F(-20 - 60°C)。
压力限制: 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).
热效应: 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).
电源: 4-20 mA: 9-35 VDC; 0-5 VDC: 7.5-35 VDC.
输出信号:4 - 20毫安(2线)或0 - 5 v直流(3线)。
零点和量程调整：±10% F.S. each (电位计).
响应时间:5 ms。
最大回路电阻:1.325 kΩ。
电气连接:大号DIN 43650接头配套连接。
过程连接: 1/4"-18 NPT male.
防护等级:NEMA 4 x(IP65)。
重量:11.6盎司(330克)。
机构认证:CE。

 Dwyer pressure transmitter 672 series

Low pressure transmitter

Single-pressure connection, can measure as low as 10 inches of water column

The 672 series low pressure transmitter adopts variable capacitance technology and is widely used in low pressure applications. It can measure as low as 10 inches of water column and as high as 400 inches of water column. This is a very low measurement range for single pressure. The accuracy is 0.25%. It can be used for monitoring liquid level, water level, clean room, open channel flow and other applications.

Service: compatible liquids and gases.

Material: 318DuplexSS, ceramic, fluororubber (FKM).

Shell: 318 stainless steel.

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

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

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

Temperature compensation range: 5 to 140 ° F (- 20 to 60 ° C).

Pressure limit: 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 effect: 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 supply: 4-20 mA: 9-35 VDC; 0-5 VDC: 7.5-35 VDC.

Output signal: 4 - 20 mA (2 wire) or 0 - 5 V DC (3 wire).

Zero and span adjustment: ± 10% F.S. each (potentiometer)

Response time: 5 ms.

Maximum circuit resistance: 1.325 k Ω.

Electrical connection: large DIN 43650 connector matching connection.

Process connection: 1/4 "- 18 NPT male

Protection grade: NEMA 4 x (IP65).

Weight: 11.6 ounces (330 grams).

Agency certification: CE.