6SL3353-3AG41-1BA0
確認壓力表的刻度范圍和單位,確定所要測量的壓力是否在壓力表的測量范圍之內。
將壓力表的接口連接到被測壓力系統中,確保接口連接牢固,避免泄漏。
開啟被測壓力系統,讓壓力表逐漸感受到被測壓力,指針會逐漸指向對應的刻度值,此時可以讀取壓力表的壓力值。
讀取壓力表的刻度值時,應該注意指針的位置,應該讀取指針指向的小刻度線的數值。如果指針指向兩個刻度線之間,應該估算指針位置所在的數值。
需要注意的是,讀取壓力表的壓力值時,應該保證觀察角度正常,盡可能垂直于壓力表表盤,并排除反光、陰影等干擾因素的影響。同時,在使用過程中,應該避免超量程使用、避免震動、避免高溫或低溫環境等,以保證壓力表的準確度和使用壽命。
壓力表精度等級
壓力表的精度等級是指壓力表測量結果與實際壓力值之間的偏差范圍。壓力表的精度等級通常由國家標準或行業標準規定,常見的精度等級有以下幾種:
0.1級:精度高的一級,誤差范圍在0.1%以內。
0.2級:誤差范圍在0.2%以內。
0.5級:誤差范圍在0.5%以內。
1.0級:誤差范圍在1.0%以內。
1.6級:誤差范圍在1.6%以內。
2.5級:誤差范圍在2.5%以內。
不同精度等級的壓力表適用于不同的精度要求,一般情況下,要求更高的精度等級的壓力表價格相對更高。在使用壓力表時,應根據實際需要選擇合適的精度等級,以保證測量結果的準確性。同時,在選購壓力表時,應該注意壓力表的精度等級,選擇符合實際需要的壓力表。
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