... fields of petroleum, drilling well to measure high pressure. It has excellent features of high corresponds and accuracy ... and other instrument to display record and control measured pressure. Features:1. Non-linearity: 0.2%, 0.3 ... , and 0.05%C4. Output Sensitivity: 1mv/v5. Pressure Capacity: 0-40, 0-60, 0-80, 0- ... and humidity should be less than 80%. Mud pressure sensor use for oil and gas drilling rig