Analog Pointer Instrument

II. Display mode: full-range pointer indication or pointer deviation indication

III. Setting method: potentiometer dial setting or coded switch setting

IV. Basic accuracy: 1.5 class and 1 class (two grades)

V. Control modes: two-position, three-position, time-proportioning, phase-shift, etc.

VI. Input signals: thermocouples, thermal resistors, etc.

VII. Output modes: contact on/off output, current output, SCR-driving pulse output, etc.