Research Article

Experimental Investigation on the Influence of Ambient Temperature on the Test Accuracy for the Differential Pressure Hydrostatic Levelling System

Table 2

Ambient temperature test chamber parameter performance index.

IndexValue

Temperature range (°C)−40–150
Temperature fluctuation (°C)<0.1
Temperature rising rate (°C/min)<3–5
Temperature falling rate (°C/min)<0.7–1.5
Temperature sensorPlatinum resistance PT100