Êý×Ö˫ǯÏàλ·ü°²±íSMG2000BÊÇרΪÏÖ³¡²âÁ¿µçѹ¡¢µçÁ÷¼°Ïàλ¶øÉè¼ÆµÄÒ»Öָ߾«¶È¡¢µÍ¼Ûλ¡¢ÊÖ³Öʽ¡¢Ë«Í¨µÀÊäÈë²âÁ¿ÒÇ±í¡£Óøñí¿ÉÒԺܷ½±ãµØÔÚÏÖ³¡²âÁ¿U-U¡¢I-I¼°U-IÖ®¼äµÄÏà룬Åбð¸ÐÐÔ¡¢ÈÝÐԵ緼°ÈýÏàµçѹµÄÏàÐò£¬¼ì²â±äѹÆ÷µÄ½ÓÏß×é±ð£¬²âÊÔ¶þ´Î»ØÂ·ºÍĸ²î±£»¤ÏµÍ³£¬¶Á³ö²î¶¯±£»¤¸÷×éCTÖ®¼äµÄÏàλ¹ØÏµ£¬¼ì²éµç¶È±íµÄ½ÓÏßÕýÈ·Óë·ñµÈ¡£²ÉÓÃǯÐεçÁ÷»¥¸ÐÆ÷ת»»·½Ê½ÊäÈë±»²âµçÁ÷£¬Òò¶ø²âÁ¿Ê±ÎÞÐè¶Ï¿ª±»²âÏß·¡£²âÁ¿U1-U2Ö®¼äÏàλʱ£¬Á½ÊäÈë»ØÂ·ÍêÈ«¾øÔµ¸ôÀ룬Òò´ËÍêÈ«±ÜÃâÁË¿ÉÄܳöÏÖµÄÎó½ÓÏßÔì³ÉµÄ±»²âÏß·¶Ì·¡¢ÒÔÖÂÉÕ»Ù²âÁ¿ÒÇ±í¡£ÏÔʾÆ÷²ÉÓÃÁ˸߷´²îÒº¾§ÏÔʾÆÁ£¬×ָߴï25mm£¬ÆÁÄ»½Ç¶È¿É×ÔÓÉת»»Ô¼70°£¬ÒÔ»ñ×î¼ÑÊÓ¾õЧ¹û¡£Íâ¿Ç²ÉÓù¤³Ì¾øÔµ²ÄÁÏ£¬ÁíÅäÏðÆ¤·ÀÕñ±£»¤Ì×£¬°²È«¡¢¿É¿¿¡£
Ïàλ·ü°²±í¹¤×÷ÔÀí£º²ÉÓÃǯÐεçÁ÷»¥¸ÐÆ÷ת»»·½Ê½ÊäÈë±»²âµçÁ÷£¬Òò¶ø²âÁ¿Ê±ÎÞÐè¶Ï¿ª±»²âÏß·¡£²âÁ¿U1-U2Ö®¼äÏàλʱ£¬Á½ÊäÈë»ØÂ·ÍêÈ«¾øÔµ¸ôÀ룬Òò´ËÍêÈ«±ÜÃâÁË¿ÉÄܳöÏÖµÄÎó½ÓÏßÔì³ÉµÄ±»²âÏß·¶Ì·¡¢ÒÔÖÂÉÕ»Ù²âÁ¿ÒÇ±í¡£
Ïàλ·ü°²±íʹÓ÷¶Î§£º¸Ã±íÊǵçÁ¦²¿ÃÅ¡¢¹¤³§ºÍ¿óɽ¡¢Ê¯ÓÍ»¯¹¤¡¢Ò±½ðϵͳ½øÐжþ´Î»ØÂ·¼ì²éµÄÀíÏëÒÇ±í¡£ÓÈÆäÊÊÓÃÓڼ̵籣»¤¡¢µçÄܼÆÁ¿¡¢µçÁ¦½¨ÉèºÍ±äË͵繤³Ì¡£
SMG2000BÊý×Ö˫ǯÏàλ·ü°²±íÐÔÄÜÌØÕ÷
1¡¢ÊÖ³Öʽ½á¹¹£»
2¡¢ÔÚ10mA-10AµçÁ÷·¶Î§ÄÚ£¬3V-500Vµçѹ·¶Î§ÄÚ²âÁ¿Ïàλʱ²»ÓöϿªµç·ºÍ¸ü»»Á¿ÏÞ£»
3¡¢ÏÔʾÆ÷²ÉÓÃÁ˸߷´²îÒº¾§ÏÔʾÆÁ£¬×ָߴï25mm£¬ÆÁÄ»½Ç¶È¿É×ÔÓÉת»»Ô¼70°£¬ÒÔ»ñµÃ×î¼ÑÊÓ¾õЧ¹û£»
4¡¢¿ª¹Ø¹¦Äܼ°²¼¾ÖºÏÀí£¬×ª¶¯¿ª¹Ø¼´¿É¶Á³ö±»²âµçѹ¡¢µçÁ÷¼°ÆäÏàλ¡£
5¡¢²ÉÓÃ×îÐÂÐÍרÀûµçÁ÷ǯ£¬µçÁ÷·Ö±çÂÊ´ï0.1mA£»µçѹ·Ö±çÂÊ0.1V¡£
3¡¢¸ÃÏàλ±í΢¹¦ºÄÉè¼Æ£¬ÇÒ¾ßÓÐµç³Øµçѹ¼ì²â¹¦ÄÜ¡£
SMG2000BÊý×Ö˫ǯÏàλ·ü°²±í¹æ¸ñ²ÎÊý
Ò»¡¢ »ù±¾Îó²î
1.1 ²Î±È¹¤×÷Ìõ¼þ
(a)»·¾³Î¶ȣº(23±5)¡æ
(b)»·¾³Êª¶È£º(45¡«75)% RH
(c)±»²âÐźŲ¨ÐΣºÕýÏÒ²¨¡¢β=0.02
(d)±»²âÐÅºÅÆµÂÊ£º(50±0.2)Hz
(e)±»²âÔØÁ÷µ¼ÏßÔÚǯ¿ÚÖеÄλÖãºÈÎÒâ
(f)²âÁ¿Ïàλʱ±»²âÐźŷùÖµ·¶Î§£º100¡«220V¡¢0.5A¡«1.5
(g)Íâ²Î±ÈƵÂʵç´Å³¡¸ÉÈÅ£ºÓ¦±ÜÃâ
1.2 »ù±¾Îó²î¼«ÏÞ
1.2.1 ½»Á÷µçѹ(¼û±í1)
±í1£º½»Á÷µçѹ²âÁ¿Îó²î
|
Á¿ ÏÞ
|
·Ö ±æ ÂÊ
|
»ù±¾Îó²î¼«ÏÞ
|
20V
|
0.01V
|
±£¨1.2%RD+2£©
|
200V
|
0.1V
|
±£¨1.0%RD+2£©
|
500V
|
1V
|
±£¨1.2%RD+2£©
|
1.2.2 ½»Á÷µçÁ÷(¼û±í2)
±í2£º½»Á÷µçÁ÷²âÁ¿Îó²î
|
Á¿ ÏÞ
|
·Ö ±æ ÂÊ
|
»ù±¾Îó²î¼«ÏÞ
|
200mA
|
0.1mA
|
±£¨1.0%RD+2£©
|
2A
|
1mA
|
10A
|
10mA
|
1.2.3 ÏàλU-U¡¢U-I¡¢I-I(¼û±í3)
±í3£º¹¤ÆµÏàλ²âÁ¿Îó²î
|
·¶ Χ
|
·Ö±æÂÊ
|
»ù±¾Îó²î¼«ÏÞ
|
0¡«360°
|
1°
|
±3°
|
²âU1-U2ÏàλʱµçѹÊäÈë»ØÂ·×迹£º40KΩ
¶þ¡¢¹¤×÷Îó²î
2.1 ¶î¶¨¹¤×÷Ìõ¼þ
(a)»·¾³Î¶ȣº£¨0¡«40£©¡æ
(b)»·¾³Êª¶È£º£¨20¡«80£©% RH
(c)±»²âÐźŲ¨ÐΣºÕýÏÒ²¨¡¢β=0.05
(d)±»²âÐÅºÅÆµÂÊ£º£¨50±0.5£©Hz
(e)±»²âÔØÁ÷µ¼ÏßÔÚǯ¿ÚÖеÄλÖãºÈÎÒâ
(f)²âÁ¿Ïàλʱ±»²âÐźŷùÖµ·¶Î§
²âU1-U2Ïàλʱ£º30V¡«500V
²âI1-I2 Ïàλʱ£º10mA¡«10.00A
²âU1-I2 »ò I1-U2 Ïàλʱ£º10V¡«500V¡¢10mA¡«10.00A
(g)Íâ²Î±ÈƵÂʵç´Å³¡¸ÉÈÅ£ºÓ¦±ÜÃâ
2.2 ¶î¶¨¹¤×÷Îó²î¼«ÏÞ
ÔÚ 1.1 ËùÊö¶î¶¨¹¤×÷Ìõ¼þÏ£¬¸÷±»²âÁ¿µÄ¶î¶¨¹¤×÷Îó²î¼«ÏÞ²»³¬¹ýÏàÓ¦»ù±¾Îó²î¼«ÏÞµÄÁ½±¶¡£
Èý¡¢SMG2000BÊý×Ö˫ǯÏàλ·ü°²±íÆäËü¼¼ÊõÌØÐÔ
3.1 ÏÔʾλÊý£ºÈýλ°ë
3.2 ²ÉÑùËÙÂÊ£º3´Î/Ãë
3.3 µçÔ´£ºµ¥¸ö 9V µü²ãµç³Ø¡¢µçÔ´µçÁ÷СÓÚ5mA
3.4 ÍâÐγߴç
±í¿Ç³ß´ç£º192mm×95mm×55mm
ǯ¿Ç³ß´ç£º140mm×42mm×20mm
ǯ¿Ú³ß´ç£ºΦ7mm×9mm
3.5 ÖØÁ¿
±íÌ壺280g
²âÁ¿Ç¯£º2×200g
4.6 ´¢´æÌõ¼þ
ζȣº£10¡æ¡«50¡æ