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陕西正捷工程科技有限责任公司是世界*仪器仪表生产厂家—美国 Dwyer 仪表中国地区的一级代理经销商，我们还是美国 WIKA,FEMA,UE,CCS 压力差压温度流量液位产品 .公司提供近万种有关差压表，差压变送器，差压开关，压力表，压力变送器，压力开关，流量计，流量传感器，流量开关，超声波流量计，风速计，风速变送器，温度、湿度、物位（液位）和阀门等产品, 它们广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理，锅炉、压缩机、冷冻制冷设备、食品、医药、轻工业、环保、洁净工程等领域。我们代理多家*工业自动化测控仪表，将*的测控仪表提供给客户，同时我们拥有一支专业的技术队伍，能为客户提供较好的的自动化测控解决方案.公司自成立以来在电力化工行业取得了较好的业绩，赢得了供货商与使用客户的认可，参与了多个新建、扩建、改造项目，拥有国内外多个仪表的总代理、区域代理、一级代理资格。
Non-Magnetic Sensing, Adjustable for 1-1/2 to 40" (38.1 to 1016 mm) Pipe, Pulse or 4 to 20 mA
The SERIES PFT Insertion Paddlewheel Flowmeters are used to monitor liquid flow rates in pipes from 1-1/2 to 40" and is available in brass or 316 SS body. The unit outputs a frequency proportional pulsed or 4 to 20 mA output. The pulse models are a square wave output signal with frequency proportional to the flow velocity and the 4 to 20 mA models have a linear output of the velocity with 4 mA equal to 0 ft/s and 20 mA equal to 25 ft/s.
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.
Linearity:
±1.0% of FS.
Repeatability:
±0.5% of FS.
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:
> Pulse: NPN open collector with square wave output, rated 60 V @ 50 mA maximum.
Frequency: 3.2 to 200 Hz. Pulse Width: 2.5 msec ±25%.
4 to 20 mA: 4 mA is 0 ft/s, 20 mA is 25 ft/s.
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. (1.36 kg).
Agency Approvals:
CE.
*Brass units IP67 only.
ModelDescription
PFT-IAN-B111-S Insertion paddlewheel flow sensor, 4-20 mA output, brass body, 1-1/2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing.
PFT-IAN-S111-S Insertion paddlewheel flow sensor, 4-20 mA output, 316SS body, 1-1/2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing.
PFT-IDN-B111-S Insertion paddlewheel flow sensor, pulse output, brass body, 1-1/2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing.
PFT-IDN-S111-S Insertion paddlewheel flow sensor, pulse output, 316SS body, 1-1/2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing.
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