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壓力表的常見故障
壓力表的常見故障有如下幾種：
1.如果是有限止釘?shù)膲毫Ρ恚跓o壓力時(shí)，指針轉(zhuǎn)動(dòng)后不能回到限止釘處；無限止釘?shù)膲毫Ρ恚跓o壓力時(shí)，指針距零位的數(shù)值超過壓力表規(guī)定的允許誤差；如果出現(xiàn)了此情況，操作人員應(yīng) 停止壓力表的工作。
2.表盤封面玻璃破碎或表盤刻度模糊不清時(shí)，可能會(huì)導(dǎo)致用戶讀取壓力示值不準(zhǔn)的情況，所以如果出現(xiàn)了這種情況，應(yīng)及時(shí)進(jìn)行維修。
3.如果用戶發(fā)現(xiàn)了封印損壞的情況，那就很有可能代表該壓力表超過了校驗(yàn)日期，需進(jìn)行重新校驗(yàn)；
4.表內(nèi)彈簧管泄漏或壓力表指針?biāo)蓜?dòng)，需要將內(nèi)部螺釘重新擰緊。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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