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求翻译 有关流量计的

王朝知道·作者佚名  2010-08-12
窄屏简体版  字體: |||超大  
 
分類: 教育/科學 >> 外語學習
 
問題描述:

Specifications

Performance Specifications

Accuracy (linear ranges) Factory tested¹ ± 0.5% of flow rate

Typical field installation² ± 1 to 2% of flow rate

Repeatability ± 0.1% of flow rate

Response time Adjustable from .3 to 30 sec

¹Factory test conditions: water at 70°F, flow velocity > 1 ft/sec on a 6" stainless steel pipe

²Field performance is dependent on the accuracy of the pipe's internal diameter and wall thickness measurements, as well as straight run conditions

Operating Specifications

Applied pipeline sizes 2 to 100" (50 to 2540 mm)

Measurable fluids Most common liquids from waste water to petrochemical products

Measurable flow velocities Liquid -40 to 40 ft/sec (-12 to 12 m/sec)

Process pressure Not applicable

Ambient temperature limit -40 to 140°F (-40 to 60°C)

Process temperature limit Standard 40 to 250°F (-40 to 121°C)

High temp option 40 to 400°F (-40 to 205°C)

Ambient humidity limit Up to 95% RH, non-condensing

Power requirements Field configurable for AC or DC 12-24 VDC

115 VAC, 50/60 Hz (± 10%)

230 VAC, 50/60 Hz (± 10%)

Power consumption Less than 5 W

Input/Output modules 4 to 20 mA output Field configurable as a 2-wire active or passive transmitter, 800 Ω maximum resistance

Frequency output Field configurable for 0 to 1,000 Hz or 0 to 10,000 Hz output, 20 mA max (50% duty cycle)

Dual relay output 175 V, ¼ A switch, 1 A carry current, 0.2 Ω resistance

RS485 interface Master/slave configuration, supports 57.6 kbd communications up to 1000'

RS232 interface Supports up to 57.6 kbd communication (19.2 kbd @ 50')

Dual RTD input Accepts two 1000 Ω RTD inputs for BTU measurement

Data logger Non-volatile storage of 100,000 time/date stamped data points, selectable from 1 to 1,000 seconds. Connects with PC serial port for data retrieval

Physical Specifications

Materials Wetted parts None

Transducer housing 250°F Delrin® / Ultem® / Stainless steel; NEMA 6 (IP68)

Transducer housing 400°F Toron® /Vespel® / Stainless steel; NEMA 6 (IP68)

Sensor cables Polyurethane armored coaxial

Clamps Stainless Steel

Cable lengths Standard 25' (7.6 m)

Options 50' (15.2 m)

75' (22.8m)

Custom 76' to 1000' (23.1 m - 304.8 m)

Maximum transducer cable length 1000' (304.8 m)

Cable connection Standard submersible

Mounting Transducer External, adjustable clamp

Electronics Remote wall

Approvals CSA Class I Div II Groups A,B,C,D

Class II and Class III Groups E, F

參考答案:

Specifications :规格

Performance Specifications性能规格

Accuracy (linear ranges) Factory tested¹ ± 0.5% of flow rate工厂测试精度(线性范围)+0.5%流速¹

Typical field installation² ± 1 to 2% of flow rate典型现场安装²+12%流速

Repeatability ± 0.1% of flow rate重复性+0.1%,流速

Response time Adjustable from .3 to 30 sec响应时间从0.3至30秒可调

¹Factory test conditions: water at 70°F, flow velocity > 1 ft/sec on a 6" stainless steel pipe¹工厂测试条件:70°六水、流速"1尺/秒按6"不锈钢管

²Field performance is dependent on the accuracy of the pipe's internal diameter and wall thickness measurements, as well as straight run conditions²场演出依靠准确的管道的内径和壁厚测量开办条件以及直

Operating Specifications操作规范

Applied pipeline sizes 2 to 100" (50 to 2540 mm)适用管线尺寸为2100"(1950至2540年毫米)

Measurable fluids Most common liquids from waste water to petrochemical products可测量液体从废水中最常见的液体石化产品为

Measurable flow velocities Liquid -40 to 40 ft/sec (-12 to 12 m/sec)可测量流速液体-40至40尺/秒(12-12米/秒)

Process pressure Not applicable过程压力不适用

Ambient temperature limit -40 to 140°F (-40 to 60°C)常温极限-40至140°F(下-40至60℃)

Process temperature limit Standard 40 to 250°F (-40 to 121°C)工艺标准极限温度40至250°F(下-40至121℃)

High temp option 40 to 400°F (-40 to 205°C)高温选择40至400°F(下-40至205℃)

Ambient humidity limit Up to 95% RH, non-condensing空气湿度高达95%铑限制,非冷凝

Power requirements Field configurable for AC or DC 12-24 VDC电力需求配置方面交流或直流12-24偏氯乙烯

115 VAC, 50/60 Hz (± 10%)115醋,50/60赫兹(+10%)

230 VAC, 50/60 Hz (± 10%)230醋,50/60赫兹(+10%)

Power consumption Less than 5 W功耗小于5瓦

Input/Output modules 4 to 20 mA output Field configurable as a 2-wire active or passive transmitter, 800 Ω maximum resistance输入/输出模块4至20马场输出可配置为2线制变送器主动或被动,800Ω最大阻力

Frequency output Field configurable for 0 to 1,000 Hz or 0 to 10,000 Hz output, 20 mA max (50% duty cycle)外地来配置输出频率为1000赫兹或0010000赫兹输出20马马克斯(50%占空比)

Dual relay output 175 V, ¼ A switch, 1 A carry current, 0.2 Ω resistance双继电器输出175第五¼一转,把一本,0.2Ω电阻

RS485 interface Master/slave configuration, supports 57.6 kbd communications up to 1000'RS485接口主/从配置,支持多达1000个通讯骨节57.6'

RS232 interface Supports up to 57.6 kbd communication (19.2 kbd @ 50')RS232接口支持多达57.6骨节沟通(19.2骨节@50')

Dual RTD input Accepts two 1000 Ω RTD inputs for BTU measurement偶接受两个1000Ω电阻输入电阻测量投入个BTU

Data logger Non-volatile storage of 100,000 time/date stamped data points, selectable from 1 to 1,000 seconds.数据记录非挥发性储存100,000次/日期印数据点,选择10月1日至1000秒. Connects with PC serial port for data retrieval与PC串口连接数据检索

Physical Specifications物理规格

Materials Wetted parts None无沾湿部分材料

Transducer housing 250°F Delrin® / Ultem® / Stainless steel; NEMA 6 (IP68)换屋250°六delrin®/®ultem/不锈钢;6线虫(ip68)

Transducer housing 400°F Toron® /Vespel® / Stainless steel; NEMA 6 (IP68)换屋400°六toron®/®vespel/不锈钢;6线虫(ip68)

Sensor cables Polyurethane armored coaxial同轴传感器电缆聚氨酯装甲

Clamps Stainless Steel不锈钢夹具

Cable lengths Standard 25' (7.6 m)标准电缆长度25'(7.6米)

Options 50' (15.2 m)选择50'(15.2米)

75' (22.8m)75'(扩音)

Custom 76' to 1000' (23.1 m - 304.8 m)风俗76'1000'(23.1米304.8米)

Maximum transducer cable length 1000' (304.8 m)传感器电缆最大长度1000'(304.8米)

Cable connection Standard submersible潜水电缆连接标准

Mounting Transducer External, adjustable clamp外部压力传感器,可调钳

Electronics Remote wall远程电子墙

Approvals CSA Class I Div II Groups A,B,C,D第二批空干燥类甲组、乙、丙、丁

Class II and Class III Groups E, F第二类及第三类组英,法

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