Frequency, speed and line speed meter operation manual, introduces the use method, installation method, precautions and other contents of the product
This manual introduces the Sanyou frequency, turn‑speed and line‑speed meter, covering safety precautions, power requirements and basic operation. It explains how to connect the device, clean the controller safely, and avoid damage by using the specified voltage.
The document details display options, alarm configuration, coefficient and unit settings, and measurement methods for frequency, speed and line speed. Example applications and communication protocol notes are also provided. This manual is written in Chinese.
| Input voltage (DC) | 24 V DC |
|---|---|
| AC voltage range (default) | 90‑260 V AC |
| Operating temperature | 0‑50 °C |
| Relative humidity | 35‑85 % |
The device should be powered with a 24 V DC supply and must not be connected to other voltages.
Disconnect the power before cleaning the controller to avoid damage.
Select the alarm channel (AL1, AL2, AL3), set the lower and upper limits within the allowed range, and confirm with the SET key.