Dwyer德威尔PFT-IAN-B111-S_PFT-IAN-S111-S_PFT-IDN-B111-S_PFT-IDN-S111-S流速传感器

Dwyer德威尔PFT-IAN-B111-S_PFT-IAN-S111-S_PFT-IDN-B111-S_PFT-IDN-S111-S流速传感器

Dwyer德威尔PFT-IAN-B111-S_PFT-IAN-S111-S_PFT-IDN-B111-S_PFT-IDN-S111-S流速传感器

PFT系列是一种用于监测管道中液体流量的桨轮流量传感器。

从1-1/2到40，只有一个尺寸可调传感器。方波输出信号是

频率与流速成正比。多种润湿材料选择

提供多功能应用。PFT是监测灌溉水流量的理想方法。

系统和楼宇自动化冷却系统。

PFT使用感应感应感应来感应叶轮的叶片旋转。传感器

该技术不使用磁铁，允许低流速监测，不担心

流动中的磁性物质。叶轮、轴和轴承易于现场更换。

SPECIFICATIONS

Service: Water-based fluids.

Range: 1.2 to 25 ft/s (0.37 to 7.62 m/s).

Wetted Materials: Body and fitting: Brass or 316 SS; fitting o-ring: FKM standard,

silicone or Buna-N optional; impeller: 316 SS; shaft: Tungsten carbide standard or

316 SS optional; bearing: PTFE standard, carbon graphite optional.

Linearity: ±1.0% of full range.

Repeatability: ±0.5% of full range.

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

Pressure Limits: 400 psig (27.6 bar) @ 100°F (37.8°C), 325 psig (22.4 bar) @

212°F (100°C).

Process Connection: 1-1/2? NPT male standard, 2? NPT male optional.

Output: NPN open collector with square wave output, rated 60V @ 50 mA

maximum.

Frequency: 3.2 to 200 Hz;

Pulse width: 2.5 msec ±25%.

Power Requirement: 10 to 35 VDC.

Power Consumption: 40 mA (max).

Electrical Connection: 22 AWG shielded UL type PTLC rated 105°C, 20′ (6.1 m)

long with cable gland. Can be extended up to 2000′ (609 m) with similar cable.

Optional UL listed burial rated cable.

Enclosure Rating: NEMA 6P (IP67).

Housing Materials: Brass or 316 SS.

Weight: 3 lb.

Agency Approvals: CE.

Dwyer德威尔PFT-IAN-B111-S_PFT-IAN-S111-S_PFT-IDN-B111-S_PFT-IDN-S111-S流速传感器