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).
Model Chart
| 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) |
MATERIAL LOWER BLOCK
| | | P
T | | | | | | Polypropylene
PVDF |
| SEALS | | | | B
E
T
V | | | | | Buna-N
EDPM
PTFE
FKM Fluorelastomer |
| DISPLAY/KEYPAD | | | | | L
N | | | | LCD/Keypad
No Display/No Keypad |
| RTD OPTION | | | | | | N
R | | | No RTD
RTD |
| OUTPUT SIGNAL | | | | | | | A
B | | 0-5 VDC
RTD |
| DIGITAL INTERFACE | | | | | | | | 2
5 | RS232
RS485 |
