The spring tube end will displacement when the measured medium entering
the spring tube.the displacement will be handed to the gear transmission mechanism by the rod, with that,the pointer will point out the pressure value on the dial of the measured medium .
The instrument is made up of case,cover, spring body parts, transmission mechanism, dial, pointer parts, meter glass, plug,etc.
（二、工作用原理及結構特點
當被測介質進入彈簧管內時、彈簧管末端產生位移，由拉桿將位移傳至齒輪傳動機構，通過指針把被測介質的壓力值在刻度盤上指示出來。
儀表由表殼、表蓋、彈簧體部件、傳動機構、刻度盤、指針部件，表玻璃、塞等零部件組成。）
三，Specification
1、Case diameter：φ60、φ100、φ150
2、Accuracy class：1.0級、1.5級、2.5級
3、Range：（MPa)
(1) Pressure：0-0.1，0-0.16，0-0.25，0-0.4，0-0.6，0-1，0-1.6，0-2.5， 0-4，0-6，0-10，0-16，0-25，0-40，0-60
（2）Vacuum：-0.1-0
（3）Pressure vacuum：-0.1-0.06，-0.1-0.15，-0.1-0.3，-0.1-0.5，
-0.1-0.9，-0.1-1.5，-0.1-2.4
4、Temp range ：general type;-40-60℃ shockproof type：0-60℃
5、Connection threads.：M20×1.5 1/2"NPT ,1/4"NPT
6、Material ：stainless steel 316L
7、Pump medium：Silicone oil or transformer oil
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8、The dimensions as shown in figure.
四,Acceptance and Storage :
1, after receipting the instrument, please check whether the packaging is intact, if there are any damage, find out the reason immediately!
2, after opening the package, lease check whether the instrument is in good condition.If there is any damage, notify our factory immediate
3, the instrument should be stored in a dry ventilated room.
（四、驗收與保管
1、用戶收到儀表后，應先檢測包裝是否完整無損，如有損壞，應立即查明原因。
2、打開包裝，檢查儀表是否完好。如有損壞，應立即通知我廠。
3、儀表應貯藏于干燥通風的室內。）
DWG :YTN-60、100、150 types；YTF-60、100、150types；
YTF-60、100、150-Z types
Drawing（for your information）
五，installation and usage
1, The instrument be allowed use range of full scale 1/3-3/4.
2, The instrument usage temperature for - 40-60 ℃ (general), 0 to 60 ℃ (shockproof), in this range from 20 + 5 ℃, should consider additional temperature difference, the coefficient of the temperature additional error is 0.04% ℃.
3, The header of the instrument should be installed vertically, for reading and maintenance.the installation site of the light is enough,
4,When damping oil is filled in the instrument , it can be used in the occasions of strong vibration, has great effect of shockproof,but by this time ,the indication is indicating a average is slightly lower than general use gauge indicates average, you should record the difference value for correction.
5, Please open the oil plug to aerate air when the shockproof pressure gauges have to be inspected and cut oil plug to ensure accuracy when the gauges are used.
6,The instrument must br practice test validation regularly, in order to ensure accurate indicating.
（安裝與使用
1、儀表允許使用范圍為滿量程1/3-3/4。
2、儀表使用的環境溫度為-40-60℃（普通型）、0-60℃（耐震性），在偏離20±5℃這個范圍時，應考慮溫度附加差，其溫度附加誤差系數為0.04%℃。
3、儀表表頭應垂直安裝，安裝現場所應光線充足，以便讀數和維護。
4、儀表內充有阻尼油時，可用于強烈震動的場合，具有良好的耐震效果，但此時儀表指示的平均值比一般用途壓力表指示的平均值略有降低，用戶使用時應記錄此差值，以作校正。
5、耐震壓力表檢驗時打開油堵必須與大氣相通。使用時剪開油堵保證精度。
6、儀表應定期實習試制校驗，以保證指示準確。）
六，Notice :
Please indicate the type, model name, measurement range, precision grade, and joint thread when you order it,
（六、訂貨須知
訂貨時必須注明型號、名稱、測量范圍、精度等級以及接頭螺紋。）
