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首页 > 探头选型

功能类别：

全部电压-Voltage 电流-Current 温度-Thermal 光学-Optical 磁学-Magnetic 声学-Acoustic

产品类别：

全部隔离型电压探头隔离型电流探头非隔离电压探头非隔离电流探头非隔离型温度传感器隔离型温度传感器探头校正装置光学传感器声学传感器磁场传感器探头附件

高Z阻电压探头示波器电压探头示波器高压探头特高压探头特高压分压器耐温型示波器探头（-55/205度）

品牌选择：

全部

B C D E F G H I K L M N O P R S T U V Y

Northstar北极星高压分压器VD-400 特高压探头 (DC400KV/脉冲电压550KV/rms有效值290KV) 8MHz 立式 Northstar北极星高压分压器VD-400 特高压探头 (DC400KV/脉冲电压550KV/rms有效值290KV) 8MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-400 特高压探头 (DC400KV/脉冲电压550KV/rms有效值290KV)8MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD-300 特高压探头 (DC300KV/脉冲电压420KV/rms有效值216KV) 12MHz 立式 Northstar北极星高压分压器VD-300 特高压探头 (DC300KV/脉冲电压420KV/rms有效值216KV) 12MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-300 特高压探头 (DC300KV/脉冲电压420KV/rms有效值216KV)12MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD-200 特高压探头 (DC200KV/脉冲电压300KV/rms有效值142KV) 16MHz 立式 Northstar北极星高压分压器VD-200 特高压探头 (DC200KV/脉冲电压300KV/rms有效值142KV) 16MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-200 特高压探头 (DC200KV/脉冲电压300KV/rms有效值142KV)16MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD-150 特高压探头 (DC150KV/脉冲电压230KV/rms有效值108KV) 20MHz 立式 Northstar北极星高压分压器VD-150 特高压探头 (DC150KV/脉冲电压230KV/rms有效值108KV) 20MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-150 特高压探头 (DC150KV/脉冲电压230KV/rms有效值108KV) 20MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD-100 特高压探头 (DC100KV/脉冲电压160KV/rms有效值72KV) 20MHz 立式 Northstar北极星高压分压器VD-100 特高压探头 (DC100KV/脉冲电压160KV/rms有效值72KV) 20MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-100 特高压探头 (DC100KV/脉冲电压160KV/rms有效值72KV) 20MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD-70 特高压探头 (DC70KV/脉冲电压115KV/rms有效值50KV) 25MHz 立式 Northstar北极星高压分压器VD-70 特高压探头 (DC70KV/脉冲电压115KV/rms有效值50KV) 25MHz 立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器VD-70 特高压探头，DC70KV/脉冲电压115KV/rms有效值50KV； 25MHz，分压比为：10,000:1。 画册 说明书 详情
Northstar北极星高压分压器VD系列特高压探头DC~70 - 400kV（脉冲电压550KV）立式 Northstar北极星高压分压器VD系列特高压探头DC~70 - 400kV（脉冲电压550KV）立式 品牌：Northstar 美国 产地：美国 Northstar北极星高压分压器DC~70 - 400kV（脉冲电压550KV），分压比为：10,000:1。 画册 说明书 详情
North star 北极星VD系列【特种】超高电压探头 North star 北极星VD系列【特种】超高电压探头 品牌：Northstar 美国 产地：美国 品牌NorthStar产地美国North Star VD 系列探头的裸露版本已升级，可以节省空间安装到油（或SF6）油箱中。这些探头与VD系列探头相似，但精度较低，成本也较低。安装这些探针时，需要有关 画册 说明书 详情
Pearson 皮尔森高压500KV@4MHZ 同轴电容电压分压器 Pearson 皮尔森高压500KV@4MHZ 同轴电容电压分压器 品牌：PEARSON 美国 产地：美国 Pearson高压同轴电容电压分压器，使用绝缘油的时候，可以测量高到500kV的电压。 画册 说明书 详情

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SHOW FULL COLUMNS FROM `hook_plugin` [ RunTime:0.000376s ]
SELECT `hook`,`plugin` FROM `hook_plugin` WHERE `status` = 1 AND `hook` IN ('app_begin','module_init','action_begin','view_filter','app_end','log_write','response_end','admin_init','home_init','send_mobile_verification_code','body_start','before_head_end','footer_start','before_footer','before_footer_end','before_body_end','left_sidebar_start','before_left_sidebar_end','right_sidebar_start','before_right_sidebar_end','comment','guestbook','switch_theme','after_content','before_content','log_write_done','switch_admin_theme','captcha_image','user_login_start','app_dispatch') ORDER BY `list_order` ASC [ RunTime:0.000289s ]
SELECT `hook` FROM `hook` WHERE `app` = 'portal' [ RunTime:0.000423s ]
SELECT `hook`,`plugin` FROM `hook_plugin` WHERE `status` = 1 AND `hook` IN ('portal_before_assign_article','portal_admin_after_save_article','portal_admin_article_index_view','portal_admin_article_add_view','portal_admin_article_edit_view','portal_admin_category_index_view','portal_admin_category_add_view','portal_admin_category_edit_view','portal_admin_page_index_view','portal_admin_page_add_view','portal_admin_page_edit_view','portal_admin_tag_index_view','portal_admin_article_edit_view_right_sidebar','portal_admin_article_edit_view_main') ORDER BY `list_order` ASC [ RunTime:0.000416s ]
SHOW FULL COLUMNS FROM `option` [ RunTime:0.000625s ]
SELECT `option_value` FROM `option` WHERE `option_name` = 'cdn_settings' LIMIT 1 [ RunTime:0.000295s ]
SHOW FULL COLUMNS FROM `product_class` [ RunTime:0.000688s ]
SELECT `id`,`parent_id`,`name`,more img FROM `product_class` WHERE ( status = 1 AND delete_time = 0 ) ORDER BY `list_order` DESC,`id` ASC [ RunTime:0.000731s ]
SELECT `option_value` FROM `option` WHERE `option_name` = 'storage' LIMIT 1 [ RunTime:0.000322s ]
SHOW FULL COLUMNS FROM `type` [ RunTime:0.000511s ]
SELECT `id`,`name`,`img` FROM `type` WHERE ( isshow = 1 ) ORDER BY `list_order` DESC,`id` ASC [ RunTime:0.000365s ]
SHOW FULL COLUMNS FROM `portal_category` [ RunTime:0.000727s ]
SELECT `id`,`parent_id`,`name` FROM `portal_category` WHERE ( status = 1 AND delete_time = 0 ) ORDER BY `list_order` DESC,`id` ASC [ RunTime:0.000257s ]
SHOW FULL COLUMNS FROM `brand` [ RunTime:0.000493s ]
SELECT * FROM `brand` WHERE ( isshow = 1 ) ORDER BY `list_order` DESC,`id` ASC [ RunTime:0.001830s ]
SELECT `name` FROM `product_class` WHERE `id` = 15 LIMIT 1 [ RunTime:0.000264s ]
SELECT `name` FROM `product_class` WHERE `id` = 25 LIMIT 1 [ RunTime:0.000183s ]
SELECT `first` FROM `brand` WHERE ( isshow = 1 ) GROUP BY `first` ORDER BY `first` ASC [ RunTime:0.001075s ]
SHOW FULL COLUMNS FROM `product` [ RunTime:0.000513s ]
SELECT COUNT(*) AS think_count FROM `product` `a` LEFT JOIN `brand` `b` ON `a`.`brand_id`=`b`.`id` WHERE ( a.isshow = 1 AND a.class_id = '15' AND a.class_id_2 = '25' ) LIMIT 1 [ RunTime:0.000619s ]
SELECT `a`.`id`,`a`.`name`,`a`.`intro`,`a`.`img`,`a`.`place`,b.name brand_name FROM `product` `a` LEFT JOIN `brand` `b` ON `a`.`brand_id`=`b`.`id` WHERE ( a.isshow = 1 AND a.class_id = '15' AND a.class_id_2 = '25' ) ORDER BY `a`.`list_order` DESC,`a`.`id` DESC LIMIT 0,12 [ RunTime:0.000551s ]
SHOW FULL COLUMNS FROM `theme_file` [ RunTime:0.000735s ]
SELECT * FROM `theme_file` WHERE `theme` = 'default' [ RunTime:0.000459s ]
SHOW FULL COLUMNS FROM `theme` [ RunTime:0.000514s ]
UPDATE `theme` SET `name` = 'simpleboot3' , `version` = '1.0.2' , `demo_url` = 'http://demo.thinkcmf.com' , `author` = 'ThinkCMF' , `lang` = 'zh-cn' , `author_url` = 'http://www.thinkcmf.com' , `keywords` = 'ThinkCMF模板' , `description` = 'ThinkCMF默认模板' WHERE `theme` = 'default' [ RunTime:0.006732s ]
SELECT `more`,`file`,`id` FROM `theme_file` WHERE `theme` = 'default' AND ( `is_public` = 1 OR `file` = 'portal/product/list' ) ORDER BY `is_public` DESC [ RunTime:0.000374s ]

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