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Dwyer 471B 数字式温度风速仪
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深圳中航电脑智能系统有限公司http://www.catic-i.com是从事自动控制系统和仪器仪表的研发、生产和经营的高科技公司。公司主要生产及销售温度传感器，差压变送器，数字差压表，温度变送器，差压开关，温湿度变送器，二氧化碳传感器，二氧化碳变送器，一氧化碳传感器，一氧化碳变送器，温湿度显示屏，数字差压表，是美国Dwyer仪表*代理商，主要业务方向是立足暖通空调行业，提供综合自控产品和服务。公司设有自控系统和自控产品二个事业部，分别从事工业及民用建筑的设施自控系统集成和仪器仪表等自控产品的研发及代理销售，现已成为多家公司在中国的合作伙伴。
在楼宇自控和空调自控系统及产品方面，是美国Honeywell公司和德国SIEMENS公司的*代理商，其产品广泛应用于楼宇自控系统(BAS)和空调(厂务)自控系统等。在仪器仪表产品方面，是美国Dwyer、瑞士BELIMO、Antunes Controls、AutoTran、瑞典SenseAir、德国Beck等公司的*代理商，这些产品包括压力开关/压差开关(差压开关)、压力变送器/压差变送器、压力表/压差表、执行器及控制阀、温度/湿度/露点传感器、液位、流量计、流量开关及变送器、二氧化碳、一氧化碳传感器等，广泛用于暖通、空调、半导体、食品、制药、生物工程、智能楼宇、电厂、化工、水处理、环境监测等领域，同时公司正在形成自主研发及生产的拥有自主知识产权的产品线。所有这些，都是上相关领域内的性能/价格比较好的主流产品。
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详细信息
The Model 471B Digital Thermo Anemometers Are Versatile Dual Function Instruments That Quickly And Easily Measure Air Velocity Or Volumetric Flow Plus Air Temperature In Imperial Or Metric Units. High Contrast LCD Display Shows Both Selected，Readings Simultaneously.Convenient Backlight Provides Perfect Visibility In Low Light Conditions. Light Automatically Shuts Off After 2-1/2 Minutes To Prolong Battery Life. Low Battery Warning Is Included. Stainless Steel Probe With Comfortable Hａnd Grip Is Etched With Insertion Depth Marks From 0 To 8 Inches And 0 To 20 Cm. Extruded Aluminum Housing Fully Protects Electronics, Yet Is Lightweight And Comfortable To Hold Even When Taking Multiple Readings As Part Of Duct Traverses. Up To 99 Readings May Be Stored For Later Retrieval. An Integral Sliding Cover Protects Sensors When Not In Use. Items Included With The 471B Are 9 Volt Alkaline Battery, Sensing Probe, Wrist Strap And Custom Carrying Case.
SPECIFICATIONS
Service: Air Velocity And Temperature Of Clean, Dry Air.
Temperature Limits:
Process Air Velocity: -20 To 212°F (-29 To 100°C);
Process Temperature: -40 To 212°F (-40 To 100°C);
Ambient: 5 To 125°F (-15 To 51°C).
Display: 4.5 Digit LCD.
Resolution: 0.1%, 0.1 °F/°C.
Range Air Velocity: 0 To 6000 FPM (0 To 30 M/S).
Accuracy Air Velocity: ±3% FS Within Temperature Range Of 40 To 90°F (4 To
32°C).
Range Volumetric Air Flow: 19,999 In Selected Flow Units.
Range Temperature: -40 To 212°F (-40 To 100°C).
Accuracy Temperature: ±0.5°F (±0.28°C) From 32 To 122°F (0 To 50°C); ±1.5°F
(±0.83°C) From -40 To 32°F (-40 To 0°C) & 122 To 212°F (50 To 100°C).
Probe Length: 8? (203 Mm) Insertion.
Cable Length: 28? (71 Cm) Retracted, 6 Ft (183 Cm) Extended.
Power Requirements: 9 V Alkaline Battery, Installed Non-Functional, User
Replaceable.
Weight: 16 Oz (454 G).
Agency Approvals: CE.
Model 471B-1, Digital Thermo Anemometer Includes 9V Battery,
Sensing Probe, Wrist Strap, Soft Carrying Case And Instructions
ADDITIONAL PARTS
AP1, Thermo Anemometer Air Velocity & Temperature Probe
With Coiled Cable
UHH-C1, Soft Carrying Case
