上海四達(dá)電子SD-07B卡片式數(shù)字萬(wàn)用表是一款輕便實(shí)用的電子測(cè)量工具。它采用卡片式設(shè)計(jì)，體積小巧，便于攜帶和操作，非常適合技術(shù)人員、電子愛(ài)好者和維修人員在各種場(chǎng)合使用。

該萬(wàn)用表具備多種測(cè)量功能，能夠測(cè)試直流和交流電壓、電阻，并支持二極管測(cè)試和連續(xù)性檢測(cè)。其直流電壓測(cè)量范圍為20V和200V，交流電壓測(cè)量范圍為200V和500V，電阻測(cè)量范圍涵蓋200Ω、20KΩ和2MΩ。此外，它還配備了2000計(jì)數(shù)的LCD顯示屏，能夠清晰地顯示測(cè)量結(jié)果。

SD-07B萬(wàn)用表還具備一些實(shí)用的功能，如最大數(shù)據(jù)保持功能，方便用戶(hù)記錄測(cè)量的最大值；低電量顯示功能則能及時(shí)提醒用戶(hù)更換電池。它采用手動(dòng)量程切換，用戶(hù)可以根據(jù)測(cè)量需求選擇合適的量程。

該萬(wàn)用表的外觀設(shè)計(jì)人性化，操作簡(jiǎn)單，使用方便。其機(jī)身尺寸為115mm×58mm×12mm，重量?jī)H為84克，攜帶十分輕松。此外，它還配備了標(biāo)準(zhǔn)的測(cè)試線和說(shuō)明書(shū)，方便用戶(hù)快速上手。

The Shanghai Sida Electronic SD-07B Card Digital Multimeter is a compact and portable electronic measurement tool. Designed in a card size, it is lightweight and easy to carry and operate, making it suitable for technicians, electronics enthusiasts, and repair personnel in various settings.

This multimeter features a range of measurement functions, including the ability to test DC and AC voltage, resistance, as well as diode testing and continuity detection. It has a DC voltage measurement range of 20V and 200V, an AC voltage measurement range of 200V and 500V, and a resistance measurement range covering 200Ω, 20KΩ, and 2MΩ. Additionally, it is equipped with a 2000-count LCD display that clearly shows measurement results.

The SD-07B multimeter also includes practical functions such as a maximum data hold function, which allows users to record the maximum measured value, and a low battery display that promptly alerts users to replace the batteries. It uses manual range switching, enabling users to select the appropriate range according to their measurement needs.

The design of the SD-07B is user-friendly, with simple operation and convenient use. The device measures 115mm×58mm×12mm in size and weighs only 84 grams, making it very easy to carry. It also comes with standard test leads and a manual to help users get started quickly.