上海四達電子HA-380指針萬用表產(chǎn)品介紹
產(chǎn)品概述：
上海四達電子HA-380型指針式萬用表是一款適用于基礎(chǔ)電路檢測與維護的實用型測量工具。該產(chǎn)品延續(xù)了經(jīng)典指針式儀表的可靠特性，采用磁電式表頭與機械調(diào)零結(jié)構(gòu)，能夠在電磁環(huán)境復(fù)雜的場景中保持穩(wěn)定工作狀態(tài)。表體采用工程防護材質(zhì)外殼，配備防滑握柄與防摔緩沖設(shè)計，兼顧日常操作的便捷性與設(shè)備耐用性。
核心性能：
HA-380設(shè)有21檔基礎(chǔ)量程，涵蓋直流電壓（0.25V-1000V）、交流電壓（10V-1000V）、直流電流（50μA-500mA）及電阻（×1Ω至×10kΩ）等常規(guī)電學(xué)參數(shù)測量。表頭靈敏度達到20kΩ/V（DC），配合精準刻度盤與反光鏡讀數(shù)窗，可有效降低視覺誤差。內(nèi)置過載保護裝置，在誤操作情況下能自動切斷敏感電路，延長儀表使用壽命。
設(shè)計細節(jié)：
優(yōu)化設(shè)計的表盤布局采用白底黑字對比色，配合紅色反光指針，確保不同光照條件下的清晰辨識度。功能旋鈕采用防誤觸卡位設(shè)計，檔位切換時具有明確段落感。測試表筆接口標注醒目的紅黑極性標識，支持通用型替換表筆接入。內(nèi)置便攜提手與收納支架，方便設(shè)備存放與現(xiàn)場移動使用。
適用場景：
該產(chǎn)品適用于教育機構(gòu)基礎(chǔ)電學(xué)實驗、家庭電路檢修、低壓電氣設(shè)備維護等場景。其機械指針式顯示特性可直觀反映參數(shù)波動趨勢，特別適合需要觀察動態(tài)變化的電機啟動、電容充放電等檢測需求。寬溫域工作特性（-10℃至+50℃）滿足多數(shù)常規(guī)環(huán)境的使用要求。
產(chǎn)品配置：
標準套裝包含主機、紅黑測試表筆、備用保險絲及操作手冊，提供三年有限保修服務(wù)。可選配專用便攜包與備用表筆套裝，滿足不同用戶的個性化需求。
Shanghai Sida Electronics HA-380 Analog Multimeter Product Introduction
Product Overview:
The HA-380 Analog Multimeter from Shanghai Sida Electronics is a practical measurement tool designed for basic circuit testing and maintenance. Inheriting the reliability of classic analog instruments, it employs a magnetoelectric meter movement with mechanical zero adjustment, maintaining stable performance even in electromagnetically complex environments. The ergonomic housing combines impact-resistant materials with non-slip grip design, balancing daily operation convenience and device durability.
Core Performance:
With 21 measurement ranges covering DC voltage (0.25V-1000V), AC voltage (10V-1000V), DC current (50μA-500mA), and resistance (×1Ω to ×10kΩ), the HA-380 meets routine electrical measurement requirements. Its 20kΩ/V DC sensitivity, combined with a precision dial and mirrored scale, effectively minimizes reading errors. The built-in overload protection mechanism safeguards sensitive circuits during accidental misuse.
Design Features:
The optimized dial layout employs high-contrast white-on-black markings with a red indicator needle, ensuring clear visibility under various lighting conditions. The rotary switch features tactile detents for positive range selection. Color-coded test lead terminals with universal compatibility allow easy probe replacement. Integrated carrying handle and kickstand facilitate transportation and on-site usage.
Application Scenarios:
Ideal for educational electronics labs, household circuit troubleshooting, and low-voltage equipment maintenance. The analog display provides intuitive visualization of parameter fluctuations, particularly useful for observing dynamic processes like motor startup and capacitor charge/discharge cycles. Its operational temperature range (-10℃ to 50℃) accommodates most standard environments.
Package Contents:
Standard package includes main unit, red/black test leads, spare fuse, and operation manual, backed by a three-year limited warranty. Optional accessories include custom carrying case and replacement probe sets for diversified user needs.
