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產(chǎn)品介紹：
YEJ系列矩形膜盒壓力表
Pressure Gauges簡 介YEJ-101型矩形膜盒壓力表適用于鍋爐通風設(shè)備對銅合金不起腐蝕作用的和中性、無爆炸危險的氣體的微壓和負壓進行測量。YEJ-121型矩形接點膜盒壓力表是適用于鍋爐通風設(shè)備對銅合金不起腐蝕作用的和中性、無爆炸危險的氣體的微壓和負壓進行測量并具有雙二位調(diào)節(jié)（雙線發(fā)訊）的作用，以實現(xiàn)位式調(diào)節(jié)或超限報警作用。Brief Introduction:YEJ-101 model rectangular membrane case pressure meter is applicable to measure micro-pressure and negative pressure of neutral gases without danger of explosion, which cause no erosive attack on copper alloy.It is also applicable to measure micro-pressure and negative pressure of neutral gases without danger of explosion in boiler draft equipments, which cause no erosive attack on copper alloy. In addition, it has a function of dual two-position adjustment (message sent by dual line), so as to realize position主要技術(shù)參數(shù)- 精確度等級：2.5級
- 使用環(huán)境條件：-20～60℃（YEJ-121為0～50℃），相對濕度不大于85%，且震動和被測介質(zhì)的急劇脈動應(yīng)對儀表正常工作無明顯影響
- 電氣指標：（YEJ-121型）
設(shè)定誤差：小于全量程的2.5%
位式輸出接點容量：交流無感負載3A 220V
工作電源： AC220V
消耗電源：小于5W - 壓力接口：Φ8（配用內(nèi)徑Φ6軟管）
Principal technical parameters- Accuracy: 2.5 grades
- Environmental condition in use: -20～+60oC, with relative
- humidity not greater than 85% and no vibration and pulse
- of tested medium greater enough to make obvious be
- impacted on the instrument from normal working.
- Electric indicator: (YEJ-121 model)
- Specification error: less than 2.5% of whole scale
Contact rating of digital output: 3A 220V (AC non
inductive load)
Operational power supply: AC220V
power supply: less than 5W - Compression interface: Φ8 (with flexible pipe of Φ6 in
- minor diameter matched)
型號表示
標記示例：YEJ-101B 產(chǎn)品電腦編碼0070093400不銹鋼矩形膜盒壓力表，不帶設(shè)定，產(chǎn)品電腦編碼詳見《矩型膜盒壓力表選型指南》。Mark example: the product computer code for YEJ-101B is 0070093400.For more information of stainless steel rectangular theca box pressure meter without setting, The product computer codeplease see the “Guide for type selection of rectangular theca box series instruments and meters”測量范圍 Meaduring range （Pa）壓力Pressure真空Vacuum壓力真空（聯(lián)程）Pressure vacuum (linkage)0～160-160～0-80～+800～250-250～0-120～+1200～400-400～0-200～+2000～600-600～0-300～+3000～1000-1000～0-500～+5000～1600-1600～0-800～+8000～2500-2500～0-1200～+12000～4000-4000～0-2000～+20000～6000-6000～0-3000～+30000～10000-10000～0-5000～+50000～16000-16000～0-8000～+80000～25000-25000～0-12000～+120000～40000-40000～0-20000～+200000～60000-60000～0-30000～+30000外形尺寸
YEJ-121型接線端子圖
訂貨須知Orering Information訂貨時須注明：型號、名稱、精確度等級、測量范圍。如特殊要求，訂貨時請注明技術(shù)要求Ordering instructions: The product computer code ,types, names, accuracy grades, and measuring ranges .must be clearly noted. In case of special requirements, technical requirements shall be clearly noted specifications on the back of the order on ordering goods.
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