Specification:
Item Type: Tachometer
Material: ABS
Model: GT33
Purpose: Measurement of Engine Speed, Frequency, Accumulation Time
Power Supply: DC 8-36V
Power Consumption: Maximum 1.2W
Input Speed Range: Freq 200Hz~6.5KHz
Range of Input Speed Range: AC3~65V
Speed Measurement Accuracy: Error ≤±1% (Within the Range)
Input Power Generation : AC 50~280V (45~70Hz)
Frequency Measurement Accuracy: Error ±1% (Within Range)
Alarm Output: Negative Output, Maximum DC1A
Operating Temperature Range: -40℃ ~ 65℃
Features: LED Circular Light Beam, Optional Display Items, Convertible Speed and Frequency, Over-Speed and Over-Frequency Alarm

How to Use:
Set the number of generator flywheel teeth: 1‑350 (default 118)
Set SW1 and SW2 to (OFF, ON) to enter the flywheel gear mode. Select the addition and subtraction of the number of flywheel teeth by setting the SW6 switch (OFF is parameter addition, ON is parameter subtraction), press (▶) to change the parameter value of flywheel teeth, short press to increase (or subtract 1), long press to accumulate (or accumulate) Subtract); After the setting is completed, set the DIP switch SW1.SW2 to (OFF, OFF), the instrument enters the normal display mode and automatically saves the number of flywheel teeth.

Package List:
1 x Tachometer
1 x Manual

Notice:
Keep away from open flames.