自動量程: 當需要時在低氣壓範圍提供高解析度和精確度。
自動關機：40分鐘後自動關機節省電池
穩定模式：穩定功能用於穩定讀值。它將會顯示前四個讀值的平均值。
回零功能: 提供快速的一鍵回零
記錄最大最小：可長時間測量氣體壓力以便檢查洩漏(僅SS20,SD20)
保持功能: 可以凍結顯示(僅SS20,SD20)
單位: 可以轉換為以下的各種測量單 位;KPa,PSI,InHg,mmHg,inH2O,mmH2O,mbar(僅ss20及SD20有)

Automatic range: Provides high resolution and accuracy in low pressure range when needed.
Automatic shutdown: 40 minutes after the automatic shutdown to save the battery
Steady mode: Steady function for stable reading. It will show the average of the first four readings.
Back to zero function: to provide a fast one key back to zero
Record the maximum and minimum: can measure the gas pressure for a long time in order to check the leak (SS20, SD20 only)
Hold function: can be frozen display (only SS20, SD20)
Unit: Can be converted into the following various measurement units; KPa, PSI, InHg, mmHg, inH2O, mmH2O, mbar (only ss20 and SD20)