1 Calculate the ratio required for analogue displays or the reading after one revolution for digital-analogue and digital displays.

2 consider the operating conditions: outdoors, vibration, corrosive envrionment etc.

3 suitable for using on control spindles with position ranging from horizontal up to 60 degree inclined.

4 Zero set the spindle, by rotating the handwheel

5 turn the indicator until the pointer are zero set.