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WWDP系列 液用差压变送器-德威尔Dwyer
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产品: 浏览次数:66WWDP系列 液用差压变送器-德威尔Dwyer 
品牌: 德威尔Dwyer
单价: 面议
最小起订量: 1 个
供货总量: 999 个
发货期限: 自买家付款之日起 3 天内发货
有效期至: 长期有效
最后更新: 2018-07-19 09:42
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WWDP系列 液用差压变送器-德威尔Dwyer

WWDP系列 液用差压变送器虽然只有三种型号,但每种型号都有三十种可现场选择的功能。WWDP系列能现场选择单向量程或双向正负量程,可选0-5, 1-5, 0-10VDC, 和4-20 mA的输出信号,还带有自动校准零点的功能。现场可选择高低压压力接口的功能对于现场安装方向错误可无须重新安装。可选的LCD显示用于现场指示并同时输出信号。铸铝外壳的防护等级为NEMA 4 (IP66)。这些功能使得WWDP差压变送器广泛地用于监测气体,液体流量,过滤器压力降,有压容器中的液位,等等能量管理系统中或过程控制系统中。

Service: Gases or liquids compatible with 17-4 PH stainless steel.
Accuracy: All pressure ranges have ±1% full scale accuracy except the lowest selectable range of each unit is ±2% full scale.
Stability: ±0.5% per year.
Temperature Limits: Compensated temperature range: 32 to 130°F (0 to 54°C); Operating temperature range: -4 to 185°F (-20 to 85°C).
Pressure Limits: Max working pressure: WWDP-1: 50 psi; WWDP-2: 100 psi; WWDP-3: 250 psi; Proof pressure: 2.2X of full scale; Burst pressure: 40X of full scale.
Thermal Effect: 2% FS/100°F (50°C) includes zero and span.
Power Requirements: 12 to 30 VDC/18 to 28 VAC (Reverse Excitation Protected). NOTE: 4 to 20 mA output cannot be powered with AC voltage.
Output Signal: Selectable 0 to 5, 0 to 10 and 1 tp 5 VDC; 4 to 20 mA.
Zero & Span: Digital "re" zero button (should be used when changing ranges). Span can be adjusted by changing between field selectable ranges.
Response Time: 1 to 5 sec (selectable).
Loop Resistance: 1000 Ω.
Current Consumption: VDC power: 0 to 5, 1 to 5 VDC output 4 mA (typ); 0 to 10 VDC output 5 mA (typ); 4 to 20 mA output 20 mA max. Current consumption will equal the transmitter output in current mode. VAC power: 0 to 5, 1 to 5, 0 to 10 VDC output 40 mA (typ).
Electrical Connections: 1/2" conduit.
Process Connections: 1/8" female NPT internal.
Enclosure Rating: Designed to meet NEMA 4 (IP66).
Mounting Orientation: Vertical; mount the pressure ports down (keeps debris from building up inside the pressure port).
Weight: 1.5 lb (680.4 g).
Agency Approvals: CE.
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