1% FS，流量和可選溫度讀數(shù)，可編程輸出
該系列DPW數(shù)字葉輪是一個經(jīng)濟的選擇，適用于液體流量測量的需要。該系列產品通過可選的LCD和RS-232/RS-485接口提供兩個可編程的累加器，兩個光學隔離的流量脈沖輸出，可選的0到5 VDC或4到20 mA流量輸出(可選的溫度)。
產品應用
液體監(jiān)測化學配料或配料實驗室設備
低流量監(jiān)測能力
堅固耐用，耐化學腐蝕的PVDF下塊材料確保了在惡劣環(huán)境下使用的高可靠性和壽命
用戶友好的界面，便于操作,不同的可編程功能，包括高/低流量(可選的溫度警報)，累加器和流量脈沖輸出
支持多達29個工程單元，包括用戶定義的單元，使其適合于各種應用程序
流量計的參數(shù)和功能可以通過RS-232/ RS-485接口進行遠程編程，也可以通過可選的LCD/鍵盤進行本地編程
可選的溫度測量與RTD選項是理想的能源監(jiān)測
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 |
