低摩擦轴承，寿命长，1/2至8“管道（12.7至203 mm）
PDWS插入式叶轮流量计设计用于1/2至8”的管道尺寸，可用材料包括黄铜、不锈钢、PVC和聚丙烯。PDWS系列适用于PWF系列、各种定制三通、鞍座或青铜、PVC和不锈钢焊接配件。
工作原理
使用叶轮旋转来测量流量。液体流动推动转子，旋转由霍尔效应传感器检测。输出为电流衰减脉冲信号，可连接至系列RTI以显示流量和总流量，或连接至系列BAT以显示4至20 mA模拟信号。
附件
BAT，盲模拟变送器，将脉冲输出转换为4至20 mA模拟输出。外壳通电，仪表回路通电。RTI2，速率总计指示器，将脉冲输出转换为4至20 mA模拟输出，并带有本地流量和累加显示。该装置为回路供电，可安装在仪表外壳上，并提供高/低流量警报。PWD，脉冲分配器，用于起搏电子计量泵。该装置使用旋转开关将输入频率分为1到9999之间的任意数字，以适应多个计量泵的输入。
产品应用
工业水和废水处理冷却水监控工业流体控制化学配比波动流体传导性应用
特点
轴承减少摩擦系数，保持高精度
PVC和聚丙烯主体材料提供抗腐蚀性介质
Service:Compatible clean liquids.
Range:0.3 to 30 ft/s (0.09 to 9.14 m/s).
Wetted Materials:
Sensor: Brass, 316 SS, PVC, or polypropylene; Rotor: PVDF; Shaft: Nickel-bonded tungsten carbide (ceramic optional); Bearings: Ruby jewel; O-Ring: EPDM (fluoroelastomer optional).
Accuracy:±1.5% FS.
Temperature Limits:Brass, 316 SS: 200°F (93°C); PVC, Polypropylene: 130°F (55°C).
Pressure Limits:
Brass: 200 psi (14 bar); 316 SS: 250 psi (17 bar); PVC, polypropylene: 175 psi (12 bar) @ 75°F (24°C); High pressure option: 400 psi (28 bar) (SS only).
Process Connection:See catalog page.
Output:
Current sinking, square wave pulse, opto-isolated.
Power Requirements:6 to 24 VDC, 2 mA (max. 20 mA).
Electrical Connection:#22 AWG, 3 conductor, 18' (5.5 m) cable (max. 2000' run).
Enclosure Rating:NEMA 4X (IP66).
Weight:2 lb (907 g).
| EXAMPLE | PDWS | 1 | B | CRS | Series PDWS-1B-CRS |
| SERIES | PDWS | Insertion Paddlewheel Flow Sensor | |||
| SIZE | 1 2 | 1-1/2 to 3 inch pipe 4 to 8 inch pipe | |||
| MATERIAL | B P S Y | Brass PVC 316 Stainless steel Polypropylene | |||
| OPTIONS | CRS FOR HPO IMM MPU PC4 PC5 SCC | Ceramic shaft Fluoroelastomer o-ring High pressure option Immersible Micropower pickup Metering pump 4-pin connector Metering pump 5-pin connector 3-pin control connector | |||
| Note: Need to purchase with Series PWF fitting for proper installation. |
