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1% FS,流量和可选温度读数,可编程输出
该系列DPW数字叶轮是一个经济的选择,适用于液体流量测量的需要。该系列产品通过可选的LCD和RS-232/RS-485接口提供两个可编程的累加器,两个光学隔离的流量脉冲输出,可选的0到5 VDC或4到20 mA流量输出(可选的温度)。
产品应用
液体监测化学配料或配料实验室设备
低流量监测能力
坚固耐用,耐化学腐蚀的PVDF下块材料确保了在恶劣环境下使用的高可靠性和寿命
用户友好的界面,便于操作,不同的可编程功能,包括高/低流量(可选的温度警报),累加器和流量脉冲输出
支持多达29个工程单元,包括用户定义的单元,使其适合于各种应用程序
流量计的参数和功能可以通过RS-232/ RS-485接口进行远程编程,也可以通过可选的LCD/键盘进行本地编程
可选的温度测量与RTD选项是理想的能源监测
Service:Liquids compatible with wetted materials.
Wetted Materials:
DPW-XP: Polypropylene; Seals (see options in model chart), PVDF and nickel tungsten carbide paddlewheel, acrylic lid; Bearings: PVDF sapphire. DPW-XT: PVDF; Seals (see options in model chart), PVDF and zirconia ceramic paddlewheel, PVDF lid; Bearings: PVDF sapphire.
Accuracy:±1% FS.
Repeatability:±0.25% FS.
Response Time:1 second above 10% of FS, 2 seconds below 10% of FS.
Output Signal:Linear 0 to 5 VDC (3000 Ω min. load impedance); 4 to 20 mA (500 Ω max. loop resistance) for flow and temperature option; Pulse output: 3.3 VDC, 3K min. load impedance.
Electrical Connection:12 pin cable.
Digital Interface:RS-232; RS-485.
Temperature Limits:14 to 140°F (-10 to 60°C).
Pressure Limit:10 bar (150 psig).
Power Requirements:11 to 26 VDC.
Display:2 row, 16 character LCD with backlight (optional).
Process Connections:DPW-05: 3/8" FNPT; DPW-10: 1/2" FNPT; DPW-17: 3/4" FNPT; DPW-35: 1" FNPT.
Enclosure Rating:IP65.
Weight:1.60 lb (0.73 kg).
EXAMPLE | DPW | 05 | P | E | L | N | A | 2 | Series DPW-05-P-E-L-N-A-2, Flow Transmitter |
MAX FLOW RANGE | 05 10 17 35 |
5 Gal/min (0.15-18.9 l/min) 10 Gal/min (0.3-37.6 l/min) 17 Gal/min (0.6-64.4 l/min) 35 Gal/min (1.3-132.5 l/min) |
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MATERIAL LOWER BLOCK |
P T |
Polypropylene PVDF |
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SEALS | B E T V |
Buna-N EDPM PTFE FKM Fluorelastomer |
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DISPLAY/KEYPAD | L N |
LCD/Keypad No Display/No Keypad |
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RTD OPTION | N R |
No RTD RTD |
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OUTPUT SIGNAL | A B |
0-5 VDC RTD |
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DIGITAL INTERFACE | 2 5 |
RS232 RS485 |