8508A´Â reference multimeter¶ó°í ÇÏ´Â ±³Á¤½ÇÀÇ application¿¡ ÀûÇÕÇÑ »õ·Î¿î °³³äÀÇ ÀåºñÀÔ´Ï´Ù.
Wavetek-Datron»çÀÇ ÇÕº´À¸·Î ÀÎÇØ Á»´õ °ÈµÈ ±â¼ú·ÂÀ¸·Î ¸¸µé¾î ³½ Ź¿ùÇÑ Á¤È®µµ¿Í ¾ÈÁ¤µµ, ´Ù¾çÇÔÀ» ÀÚ¶ûÇÏ´Â ¸ÖƼ¸ÞÅÍ ÀÔ´Ï´Ù.
¶Ù¾î³ ¼º´É°ú Á¤È®µµ ±×¸®°í Ź¿ùÇÑ ¾ÈÁ¤µµ
8508A´Â 8.5 µðÁöÆ®ÀÇ ºÐÇØ´ÉÀ» °¡Áö°í ÀÖÀ¸¸ç, ÇöÀç ±îÁö »ý»êµÈ ¾î¶°ÇÑ Á¦Ç° º¸´Ùµµ Ź¿ùÇÑ ¼±Çü¼º°ú ³·Àº ³ëÀÌÁî¿Í ¾ÈÁ¤µµ¸¦ °¡Áö°í ÀÖ½À´Ï´Ù. ÃøÁ¤À̶ó°í ÇÏ´Â °ÍÀº ¿À´Ã, ³»ÀÏ, ´ÙÀ½ ÁÖ, ±× ´ÙÀ½ ÇØ·Î À̾îÁö´Â ¸Å¿ì ¹Ýº¹ÀûÀÎ ÀÛ¾÷ÀÔ´Ï´Ù. ±³Á¤¿ë ¸ÖƼ¸ÞÅÍ¿¡¼ ¾ÈÁ¤µµ°¡ Á¤È®µµ º¸´Ù Áß¿ä½Ã µÇ´Â ÀÌÀ¯°¡ ¿©±â¿¡ ÀÖ½À´Ï´Ù. 8508A´Â 1³â°£ÀÇ ¾ÈÁ¤µµ°¡ 2.7ppm ÀÌÇÏÀ̸ç 24½Ã°£Àº 0.5ppmÀ» ÀÚ¶ûÇÕ´Ï´Ù. µû¶ó¼ ÇöÀçÀÇ ÃøÁ¤°ªÀÌ ÀÛ³â ȤÀº Á¦À۳⠰ª°ú °°À» °ÍÀ̶ó´Â È®½ÅÀ» °®°Ô ÇÏ¿© ÁÝ´Ï´Ù.
Çâ»óµÈ ´Ù¾ç¼º°ú ±â´É
±³Á¤½Ç Á¾»çÀÚ´Â ±× ¾÷¹«ÀÇ Æ¯¼º»ó ´Ù¾çÇÑ ÃøÁ¤À» ÇÏ¿©¾ß ÇÕ´Ï´Ù. ÀÌ ¾÷¹«¸¦ °¨´çÇϱâ À§ÇÏ¿© 8508A´Â »ó´çÈ÷ ³ÐÀº ÃøÁ¤ ¹üÀ§¸¦ Á¦°øÇÕ´Ï´Ù. ¸¹Àº ¹üÀ§ÀÇ applicationÀ» ÇÑ Àåºñ·Î ´ã´çÇÔÀ¸·Î½á ½Ã°£ ¹× ¿¹»êÀ» ÁÙÀÏ ¼ö ÀÖ´Â È¿°ú°¡ ÀÖ½À´Ï´Ù.
°£·«ÇÑ »ç¿ë¹ý
ÃøÁ¤½Ã ¹ß»ýÇÏ´Â »ç¿ëÀÚÀÇ ½Ç¼ö¿Í ¿Àµ¶Àº ÃøÁ¤ Á¤È®µµ¿¡ ½É°¢ÇÑ ¿µÇâÀ» ¹ÌĨ´Ï´Ù. ÀÌ·¯ÇÑ ¿¡·¯´Â ÀåºñÀÇ º¹ÀâÇÔ°ú »ç¿ëÀÚÀÇ »ç¿ë ¹Ì¼÷À¸·Î ÀÎÇØ ÁÖ·Î ¹ß»ýµË´Ï´Ù. 8508AÀÇ 2°³ÀÇ µð½ºÇ÷¹ÀÌ Ã¢À¸·Î ±¸¼ºµÈ ¸íÈ®ÇÑ ÄÁÆ®·Ñ ±¸Á¶´Â ÀÌ·¯ÇÑ ¹®Á¦Á¡µéÀ» ºÒ½Ä½Ãų ¼ö ÀÖ½À´Ï´Ù. ÀÌ Àǹ̴ »ç¿ëÀÚ°¡ º¹ÀâÇÑ ÀåºñÀÇ 쎗¾÷µî¿¡ ½Å°æÀ» ¾²Áö ¾Ê°í ÃøÁ¤¿¡¸¸ ÁýÁßÇÔÀ¸·Î½á º¸´Ù ³ªÀº ÃøÁ¤ °á°ú¸¦ ¾òÀ» ¼ö ÀÖÀ½À» ÀǹÌÇÕ´Ï´Ù.
´Ù¾çÇÑ ±â´É
8508A´Â Àåºñ Çϳª·Î 8°³ÀÇ ±³Á¤½Ç¿¡¼ ¾²´Â Àåºñ¸¦ ´ëüÇÒ ¼ö ÀÖ½À´Ï´Ù. . multimeter . resistance bridge . voltage divider . null detector . ac/dc transfer standard . precision thermometer . ac/dc shunt resistors . electronic/pico-ammeter
Àü¾Ð ÃøÁ¤
DC, AC ¸ðµÎ 200mV ºÎÅÍ 1000V±îÁö ÃøÁ¤ÇÒ ¼ö ÀÖ´Â 8508A´Â »ç¿ëÀÚ°¡ ÇÊ¿äÇÑ ¸ðµç ¹üÀ§¸¦ Ä¿¹ö ÇÒ ¼ö ÀÖ½À´Ï´Ù. 8.5 µðÁöÆ®ÀÇ ºÐÇØ´ÉÀº ¸ðµç ·¹ÀÎÁö¿¡ °ÉÃÄ °¡´ÉÇÏ°í ÃÖ¼Ò ºÐÇØ´ÉÀº 1nV ÀÔ´Ï´Ù. AC ÃøÁ¤À» À§ÇÑ ¹êµåÀ§½º´Â 1MHz ±îÁö ÀÔ´Ï´Ù. 8508AÀÇ ¶Ù¾î³ ¼±Çü¼º°ú Ratio ÃøÁ¤ ±â´ÉÀº Kelvin Varley divider¿Í AC/DC voltage transfer standards¸¦ ´ëü ÇÒ ¼ö ÀÖÀ½À» ÀǹÌÇÕ´Ï´Ù.
DC Àü¾Ð »ç¾ç . Range : 5, 200mV to 1000V . Maximum Measurement : 1050V . Resolution : selectable from 5.5 to 8.5 digits . Maximum Sensitivity : 1nV
AC Àü¾Ð »ç¾ç . Range : 5, 200mV to 1000V . Resolution : selectable from 5.5 to 8.5 digits . Maximum Sensitivity : 100nV . Maximum Bandwidth : 1MHz
Àü·ù ÃøÁ¤
8508A´Â Àü·ù ÃøÁ¤¿¡ ´ëÇÏ¿© »õ·Î¿î ÃøÁ¤ ½Ã½ºÅÛÀ» µµÀÔÇÏ¿´½À´Ï´Ù. ¿ì¼±, ÀÔ·Â Zero¸¦ ´«À¸·Î È®ÀÎ ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿© ÁÜÀ¸·Î½á »ç¿ëÀÚµéÀ» º¹ÇÕÇÑ °¡µùµîÀÇ ¹®Á¦·Î ºÎÅÍ ÀÚÀ¯·Ó°Ô ÇÏ¿© ÁÖ¾ú°í ÃøÁ¤ °ª¿¡ ´ëÇÑ ½Å·Ú¼º°ú ¹Ýº¹ ÃøÁ¤ °ª¿¡ ´ëÇÑ È®½ÅÀ» °®°Ô µµ¿ÍÁÖ¾ú½À´Ï´Ù. 200uA ºÎÅÍ 20A, 1Hz ºÎÅÍ 100KHzÀÇ ³ÐÀº ÃøÁ¤ ¹üÀ§´Â ´Ù±â´É ±³Á¤±â±îÁö ±³Á¤ÀÌ °¡´ÉÇϵµ·Ï ÇÏ¿© ÁÝ´Ï´Ù.
ÀúÇ× ÃøÁ¤
2Ohm ºÎÅÍ 20Gohm, ÃÖ¼Ò ºÐÇØ´ÉÀÌ 10nOhmÀÎ 8508AÀÇ ÀúÇ× ÃøÁ¤ ´É·ÂÀº ÀúÇ× ÃøÁ¤¿¡ ÀÖ¾î ȹ±âÀûÀÎ ¼Ö·ç¼ÇÀ» Á¦°øÇÕ´Ï´Ù. . Range : 10ohm, 2ohm to 20Gohm . Resolution : selectable from 5.5 to 8.5digits . Maximum Sensitivity : 10n . Maximum Compliance Voltage : 200V . Maximum Measurement Current : 100mA
¿Âµµ ÃøÁ¤
ÃøÁ¤ ¹üÀ§¸¦ Á» ´õ È®´ëÇÏ°íÀÚ, 8508A´Â 2,3,4-wireÀÇ PRT ȤÀº SPRT¸¦ ä¿ëÇÏ¿© -200C to 660C ±îÁöÀÇ ¿Âµµ¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿Âµµ °ª°ú ÀúÇ× °ªÀ» µ¿½Ã¿¡ µð½ºÇ÷¹ÀÌ ÇÒ ¼ö ÀÖÀ¸¸ç ITS-90°ú Callendar van Dusan À» ¿Â ÃøÁ¤½Ã ±âº» tool·Î ä¿ëÇÏ°í ÀÖ½À´Ï´Ù. . Two-wire, three-wire, four-wire Ohms with current reversal . Range : -200C to 660C . Resolution : selectable 5.5 to 8.5 digits . ITS-90 linearization . Readout : C, F, K, Ohm
2°³ÀÇ ÀԷ´Ü
ÀϹÝÀûÀÎ ÇÁ·ÐÆ® ºÎºÐÀÇ ÀԷ´ܰú °°ÀÌ, 8508A´Â ¿É¼Ç »çÇ×À¸·Î ÈĹ濡 ÀԷ´ÜÀ» Ãß°¡ÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. ÀÌ ¿É¼ÇÀº Àü¾Ð°ú ÀúÇ׿¡¼ratio ÃøÁ¤À» °¡´ÉÇÏ°Ô ÇÏ¿© ÁÝ´Ï´Ù.
Summary Specifications |
Voltage DC |
Range: |
0 to ¡¾ 1050 V |
Best 1 Year Absolute Specification: |
¡¾ 3 ppm of reading | |
Voltage AC |
Range: |
2 mV to 1050 V, 1 Hz to 1 MHz |
Best 1 Year Absolute Specification: |
¡¾ 65 ppm of reading | |
Current DC |
Range: |
0 to ¡¾ 20 A |
Best 1 Year Absolute Specification: |
¡¾ 12 ppm of reading | |
Current AC |
Range: |
2 µA to 20 A, 1 Hz to 100 kHz |
Best 1 Year Absolute Specification: |
¡¾ 250 ppm of reading | |
Resistance |
Range: |
0 to 20 G¥Ø |
Best 1 Year Absolute Specification: |
¡¾ 7.5 ppm of reading | |
Temperature |
Range: |
Range: -200 ¡ÆC to 660 ¡ÆC |
Best 1 Year Absolute Specification: |
¡¾ 2.5 m ¡ÆC* | | |