SZD-21電動轉(zhuǎn)速表/SZD21
產(chǎn)品概述
SZD-21電動轉(zhuǎn)速表是一款專為遠(yuǎn)距離測量各類發(fā)動機(jī)轉(zhuǎn)速設(shè)計的精密儀表,由發(fā)送器、指示器和報警裝置三部分組成。其核心功能是通過測速發(fā)電機(jī)實現(xiàn)轉(zhuǎn)速的異地監(jiān)測,每臺測速發(fā)電機(jī)可同時驅(qū)動兩個指示器工作,適用于需要多點監(jiān)控的場景。該儀表內(nèi)置報警機(jī)構(gòu),支持超速報警功能,用戶可根據(jù)需求設(shè)定報警閾值(需≥700r/min),確保設(shè)備運行安全。其指示器在-20℃~+50℃、濕度≤85%的環(huán)境下穩(wěn)定工作,報警器則適用于0℃~+50℃的相同濕度條件,適應(yīng)性強(qiáng)。外形設(shè)計緊湊,指示器尺寸為63×63×122.5mm,測速發(fā)電機(jī)為48×48×130mm,重量輕便(指示器0.556kg,報警器0.415kg),便于安裝與集成。1246
技術(shù)特點
SZD-21采用電動式測量原理,通過小型交流電動機(jī)同步被測軸轉(zhuǎn)速,再經(jīng)磁性轉(zhuǎn)速頭轉(zhuǎn)換信號,具有抗震性好、異地安裝靈活的優(yōu)勢,尤其適合船舶、柴油機(jī)等復(fù)雜工況。其測量范圍覆蓋0~3000r/min(比例1:2)等多種配置,基本誤差不超過測量上限值的±1.5%,報警精度為±1.5級。儀表支持多檔轉(zhuǎn)速比例切換(如0~1500r/min比例1:1,0~20000r/min比例1:6),滿足不同轉(zhuǎn)速范圍的精準(zhǔn)監(jiān)測需求。此外,其機(jī)械結(jié)構(gòu)堅固,傳感器與指示器通過傳輸線連接,最大傳輸距離達(dá)50米,無需外接電源,簡化了布線復(fù)雜度。391214
應(yīng)用場景
SZD-21廣泛應(yīng)用于冶金、石油、化工、電力及交通運輸?shù)阮I(lǐng)域,特別適用于內(nèi)燃機(jī)車、發(fā)電機(jī)組、印刷機(jī)械等旋轉(zhuǎn)設(shè)備的轉(zhuǎn)速監(jiān)控。其報警功能可有效預(yù)防設(shè)備超速損壞,如船舶動力系統(tǒng)或工業(yè)傳動裝置的過載保護(hù)。儀表兼容性強(qiáng),可與SZMB-7/8型傳感器配套使用,且單個傳感器可驅(qū)動多臺表頭,實現(xiàn)集中控制與分散顯示的結(jié)合。用戶可通過反射標(biāo)記或直接接觸方式測量,操作簡便。其耐用性設(shè)計(如廣角度電流表指示、抗沖擊結(jié)構(gòu))確保了在振動環(huán)境下的長期可靠性。7192122
英文介紹(English Description)
The SZD-21 Electric Tachometer is designed for remote measurement of rotational speed in various engines, featuring a transmitter, indicator, and alarm unit. It enables synchronous monitoring via a speed-sensing generator that drives two indicators simultaneously, ideal for multi-point applications. With built-in overspeed alarm (configurable threshold ≥700r/min), it ensures operational safety. The indicator operates stably at -20℃~+50℃ (humidity ≤85%), while the alarm unit functions in 0℃~+50℃ environments. Compact dimensions (indicator: 63×63×122.5mm; generator: 48×48×130mm) and lightweight design (indicator: 0.556kg) facilitate easy installation.
Technically, it employs an electric measurement principle with a ±1.5% error margin and supports multiple speed ratios (e.g., 0~1500r/min at 1:1, 0~20000r/min at 1:6). The system requires no external power, using transmission lines up to 50 meters, and is compatible with SZMB-7/8 sensors. Its robust construction suits harsh conditions like marine or industrial settings, providing reliable speed feedback for diesel engines, turbines, and conveyor systems. The alarm function aids in preventing mechanical overloads, enhancing equipment longevity. 131220
SZD-21電動轉(zhuǎn)速表
的詳細(xì)介紹SZD-21電動轉(zhuǎn)速表/SZD21
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