{"id":4343,"date":"2025-01-06T01:15:04","date_gmt":"2025-01-05T17:15:04","guid":{"rendered":"https:\/\/www.wbyq.cn\/product\/4343.html"},"modified":"2025-02-13T19:50:56","modified_gmt":"2025-02-13T11:50:56","slug":"th2638b-%e9%ab%98%e9%80%9f%e7%b2%be%e5%af%86%e7%94%b5%e5%ae%b9%e6%b5%8b%e9%87%8f%e4%bb%aa","status":"publish","type":"product","link":"https:\/\/ad.wbyq.cn\/en\/product\/4343.html","title":{"rendered":"TH2638B High Speed Precision Capacitance Measuring Instrument"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
model number<\/td>\nTH2638<\/td>\nTH2638A<\/td>\nTH2638B<\/td>\nTH2638C<\/td>\n<\/tr>\n
Test Signal Parameters<\/td>\nCp-D, Cp-Q, Cp-Rp, Cp-G, Cs-D, Cs-Q, Cs-Rs<\/td>\nCp-D, Cp-Q, Cp-Rp, Cp-G, Cs-D, Cs-Q, Cs-Rs, Cs-Rs-Ls<\/td>\nCp-D, Cp-Q, Cp-Rp, Cp-G, Cs-D, Cs-Q, Cs-Rs<\/td>\n<\/tr>\n
test signal<\/td>\n<\/tr>\n
frequency<\/td>\nPermissible frequency<\/td>\n100Hz, 120Hz, 1kHz, 10kHz, 100kHz, 1MHz,<\/p>\n

1MHz\u00b11%, 1MHz\u00b12%<\/td>\n

100Hz, 120Hz, 1kHz, 10kHz, 40kHz, 100kHz<\/td>\n100Hz, 120Hz, 1kHz, 10kHz<\/td>\n100Hz, 120Hz, 1kHz<\/td>\n<\/tr>\n
accurate<\/td>\n\u00b10.02%<\/td>\n<\/tr>\n
power level (elec.)<\/td>\nrealm<\/td>\n0.1V-1V<\/td>\n<\/tr>\n
resolution (of a photo)<\/td>\n0.01V<\/td>\n<\/tr>\n
accurate<\/td>\n\u00b15%<\/td>\n<\/tr>\n
output method<\/td>\nContinuous or synchronized<\/td>\n<\/tr>\n
signal source delay<\/td>\nrealm<\/td>\n0-1s<\/td>\n<\/tr>\n
resolution (of a photo)<\/td>\n0.1ms<\/td>\n<\/tr>\n
Output Impedance<\/td>\n100Hz<\/p>\n

120Hz<\/td>\n

SLC OFF<\/td>\nrange (of scales or measuring equipment)<\/td>\n\u2265220\u03bcF<\/td>\n1.5\u03a9<\/td>\n<\/tr>\n
SLC ON<\/td>\nrange (of scales or measuring equipment)<\/td>\n\u2265220\u03bcF<\/td>\n0.3\u03a9<\/td>\n<\/tr>\n
range (of scales or measuring equipment)<\/td>\n10nF-100\u03bcF<\/td>\n10\u03a9<\/td>\n<\/tr>\n
1kHz<\/td>\nSLC OFF<\/td>\nrange (of scales or measuring equipment)<\/td>\n\u226522\u03bcF<\/td>\n1.5\u03a9<\/td>\n<\/tr>\n
range (of scales or measuring equipment)<\/td>\n\u226522\u03bcF<\/td>\n0.3\u03a9<\/td>\n<\/tr>\n
SLC ON<\/td>\nrange (of scales or measuring equipment)<\/td>\n220nF-10\u03bcF<\/td>\n0.3\u03a9<\/td>\n<\/tr>\n
range (of scales or measuring equipment)<\/td>\n100pF-100nF<\/td>\n10\u03a9<\/td>\n<\/tr>\n
10kHz<\/td>\n<\/td>\nrange (of scales or measuring equipment)<\/td>\n\u22652.2\u03bcF<\/td>\n1.5\u03a9<\/td>\n——<\/td>\n<\/tr>\n
<\/td>\nrange (of scales or measuring equipment)<\/td>\n100pF-1\u03bcF<\/td>\n10\u03a9<\/td>\n——<\/td>\n<\/tr>\n
40kHz<\/td>\n——<\/td>\n10\u03a9<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
100kHz<\/td>\n10\u03a9<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
1MHz<\/td>\n10\u03a9<\/td>\n——<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
test speed<\/td>\nFive test speed options: 1, 2, 4, 6, 8<\/td>\n<\/tr>\n
Maximum measurement speed<\/td>\n100Hz\/<\/p>\n

120Hz<\/td>\n

11ms<\/td>\n<\/tr>\n
1kHz<\/p>\n

10kHz<\/td>\n

3.3ms<\/td>\n<\/tr>\n
40kHz<\/td>\n——<\/td>\n3ms<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
100kHz<\/td>\n2.5ms<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
1MHz<\/td>\n2.3ms<\/td>\n——<\/td>\n——<\/td>\n——<\/td>\n<\/tr>\n
Test range method<\/td>\nAutomatic, Hold<\/td>\n<\/tr>\n
Average number of times<\/td>\n1-256<\/td>\n<\/tr>\n
trigger method<\/td>\nInternal, manual, external, bus<\/td>\nInternal, manual, external (except SCANER), bus (except GPIB)<\/td>\n<\/tr>\n
Trigger delay time<\/td>\nrealm<\/td>\n0-1s<\/td>\n<\/tr>\n
resolution (of a photo)<\/td>\n0.1ms<\/td>\n<\/tr>\n
Measurement display range<\/td>\n<\/tr>\n
parameters<\/td>\nCs, Cp<\/td>\n\u00b11.000000aF \u00a0 – 999.9999EF<\/td>\n<\/tr>\n
D<\/td>\n\u00b10.000001 – \u00a0 9.999999<\/td>\n<\/tr>\n
Q<\/td>\n\u00b10.01 – 99999.99<\/td>\n<\/tr>\n
Rs, Rp<\/td>\n\u00b11.000000a\u03a9 \u00a0 – 999.9999E\u03a9<\/td>\n<\/tr>\n
G<\/td>\n\u00b11.000000aS \u00a0 – 999.9999ES<\/td>\n<\/tr>\n
\u0394%<\/td>\n\u00b10.0001% – 999.9999%<\/td>\n<\/tr>\n
Basic Measurement Accuracy<\/td>\nC:0.07%, D:0.0005<\/td>\n<\/tr>\n
Display mode<\/td>\nFloating\/fixed decimal point display, \u0394ABS, \u0394%<\/td>\n<\/tr>\n
List Scanning<\/td>\n10-point list scanning for frequency and voltage<\/td>\n<\/tr>\n
Comparator Functions<\/td>\n11 gears: BIN1-BIN9, OUT_OF_BIN, AUX_BIN<\/td>\n<\/tr>\n
connector<\/td>\nRS232C, LAN, USB HOST, USB DEVICE, HANDLER, GPIB, SCANNER<\/td>\nRS232C, LAN, USB HOST, USB DEVICE, HANDLER<\/td>\n<\/tr>\n
internal storage<\/td>\n40 instrument setup files<\/td>\n<\/tr>\n
External USB storage<\/td>\n-GIF images -40 instrument setting files -Test data stored directly in USB memory -Screenshot files saved directly to USB memory<\/td>\n<\/tr>\n
General technical indicators<\/td>\n<\/tr>\n
Temperature, humidity, altitude<\/p>\n

(operating environment)<\/td>\n

0\u2103 – 45\u2103\uff0c15% – 85% RH (\u226440\u2103\uff0c\u65e0\u51b7\u51dd)\uff0c0 – 2000m<\/td>\n<\/tr>\n
Power supply<\/td>\ninput voltage<\/td>\n90VAC – \u00a0 264VAC<\/td>\n<\/tr>\n
frequency<\/td>\n47Hz – 63Hz<\/td>\n<\/tr>\n
power wastage<\/td>\nMaximum 150VA<\/td>\n<\/tr>\n
Temperature, humidity, altitude (storage environment)<\/td>\n-20\u2103 – 70\u2103\uff0c0 – 90% RH (\u226465\u2103\uff0c\u65e0\u51b7\u51dd)\uff0c0 – 4572m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Note: 1. 1MHz contains 1MHz \u00b1 1%, 1MHz \u00b1 2% 2. a: 1e-18, E: 1e18<\/p>","protected":false},"excerpt":{"rendered":"

TH2638 series high-speed precision capacitance measuring instrument is a new type of capacitance measuring instrument with up to 1MHz testing frequency, small size, compact and portable, easy to use on the shelf. 4.3-inch LCD screen can be selected from the English operation interface, easy and fast operation.<\/p>","protected":false},"featured_media":6241,"comment_status":"open","ping_status":"closed","template":"","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false},"product_brand":[3537],"product_cat":[2063,52],"product_tag":[2062,2061],"class_list":{"0":"post-4343","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-tonghui","7":"product_cat-capacitance-meter","8":"product_cat-tydzcs","9":"product_tag-2062","10":"product_tag-2061","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/product\/4343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/comments?post=4343"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/media\/6241"}],"wp:attachment":[{"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/media?parent=4343"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/product_brand?post=4343"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/product_cat?post=4343"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ad.wbyq.cn\/en\/wp-json\/wp\/v2\/product_tag?post=4343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}