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(gè)經(jīng)濟(jì)的選擇，適用于液體流量測(cè)量的需要。該系列產(chǎn)品通過可選的LCD和RS-232/RS-485接口提供兩個(gè)可編程的累加器，兩個(gè)光學(xué)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(chǎn)品應(yīng)用
液體監(jiān)測(cè)化學(xué)配料或配料實(shí)驗(yàn)室設(shè)備
低流量監(jiān)測(cè)能力
堅(jiān)固耐用，耐化學(xué)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(bào))，累加器和流量脈沖輸出
支持多達(dá)29個(gè)工程單元，包括用戶定義的單元，使其適合于各種應(yīng)用程序
流量計(jì)的參數(shù)和功能可以通過RS-232/ RS-485接口進(jìn)行遠(yuǎn)程編程，也可以通過可選的LCD/鍵盤進(jìn)行本地編程
可選的溫度測(cè)量與RTD選項(xiàng)是理想的能源監(jiān)測(cè)
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 |
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