Title: Temperature Scale System on Grating Length Measurement Device
Abstract:To satisfy the requirement of raising the precision and measuring automatically of the length measurement device with digital grating in more,a high precision temperature measurement system with multi...To satisfy the requirement of raising the precision and measuring automatically of the length measurement device with digital grating in more,a high precision temperature measurement system with multi-measure units was designed to be suitable for the length measurement device with digital grating.The new type of temperature digital sensor was adopted.The value of temperature was changed into digital value directly.After processing for frequency mixing,frequency selection,amplifying in order,the digital values were sent to single chip micyoco(SCM).The values processed by SCM were displayed by nixietubes,the temperature values were displayed on nixietubes.The circuit was chosen as simple as possible that the dependability of the circuit was improved under the condition all of the capabilities of the circuit to be guaranteed.The unite was provided with high precision and possess the ability of anti-jamming and was not influenced by the fluctuating of power supply because it was presented with digital values from temperature collection to values displayed.The system was authenticated by the country legal measurement department;it reaches to the measurement precision of ±0.1 ℃.Its cost is relative low in the same precision temperature measurement devices.Read More
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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