| 详细介绍：
DT-2234B光电转速表DT2234B Tachometer
DT-2234B数字式光电转速表在保证其非接触，高精度测速基础上，采用了专用微处理器LSI电路，使测速过程中的最后测量转速值，最大转速值，最小转速值自动储存在存储器中，通过逐次按存储呼叫按钮（Memory），三种转速值被依次显示在16mmLCD显示屏上，只要不更换电池，数据将会长期保持。下次测量时，新的记录结果将取代旧存储。
功能描述
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规格
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5位大屏幕液晶显器，字高16mm
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测试范围
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2.5－99,999转/分
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分辨力
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0.1RPM（2.5－999.9RPM）；1RPM（1000RPM以上）
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准确度
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±（0.05%+1个字）
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采样时间
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0.5秒（120RPM以上）
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有效距离
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50mm－250mm（DT2234B）LED；50mm－500mm（DT2234C）激光
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工作电流
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50mA（DT2234B）；35mA（DT2234C）
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记忆
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自动记忆最大值，最小值，最后测量值
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时基
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6MHz石英晶体，准确度：10×10的负次方（0℃～50℃）
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电源
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4×1.5V 7号SIZE电池
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DT-2234B DT2234B Tachometer photoelectric tachometer
DT-2234B digital photoelectric tachometer to ensure its non contact, high accuracy measurement basis, using aspecial microprocessor LSI circuit, the measuring speedmeasurement in the process of value, the maximum value of speed, minimum speed value is automatically stored in memory, through successive stored in the call button(Memory), three kinds of speed values are displayed on the 16mmLCD screen, so as not to replace the battery,the data will be maintained for a long time. The next measurement, a new record results will replace the old storage.
Function descrtption
Specifications
5 large screen LCD display, 16mm high letters
The scope of testing
2.599999 rpm
Resolution
0.1RPM (2.5999.9RPM); 1RPM (1000RPM)
Accuracy
± (0.05%+1 words)
Sampling time
0.5 seconds (above 120RPM)
Effective distance
50mm250mm (DT2234B) LED; 50mm500mm (DT2234C)laser
Working current
50mA (DT2234B) 35mA (DT2234C)
Memory
Automatic memory maximum value, minimum value, the last values
Time base
6MHz quartz crystal, accuracy: 10 × 10 negative timessquare (0 ~ 50 ℃)
Power Supply
4 × 1.5V 7 SIZE batteries
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