The Class H tester should be installed in a stable lab environment where temperature and vibration remain controlled. A typical recommended range is standard room temperature, without rapid swings that could affect the metal frame, bearings or electronics. Large temperature changes can slightly shift mechanical alignment or influence sensor behavior, so a steady indoor environment is ideal.

Vibration control is equally important. The machine should not be placed near heavy presses, mills, compressors or equipment that produces floor vibration. Even periodic shaking can influence the pendulum’s starting angle or cause small shifts in the supports. A solid floor is preferred, and the machine should be anchored according to the installation instructions.

Airflow should not hit the pendulum area directly, and the machine should have enough space for safe operation and access to both sides. A calm, stable environment helps ensure consistent readings and protects the mechanical components over years of heavy use.

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