This document describes the features and functions of the DC brushless motor dedicated tachometer DM12R-F, including the applicable product series, universal input voltage, selection of speed or linear velocity display, and the ability to attach any type of encoder for feedback display.
This manual describes the DM12R-F tachometer designed for DC brushless motors. It outlines the device’s features such as selectable speed or linear‑velocity display, universal AC 110/220 V input, DIN‑standard dimensions (96 × 48 mm), and dual unit options for metric and British measurements.
Detailed sections cover electrical specifications, connection diagrams, operation procedures, example setups, and mounting instructions. The document also includes contact information for Sunholy support and a disclaimer about paper‑saving digital downloads. This manual is written in Chinese.
| Display digits | 5 digits (99999) |
|---|---|
| Input voltage | AC 110 V / 220 V, 50/60 Hz |
| Outside dimension | 96 × 48 mm |
| Measuring accuracy | 0.05 % F.S. |
| Input impedance | ≥ 2 MΩ |
| Sensor power supply | DC 12 V, 30 mA |
| Operating temperature range | 0 ~ 60 °C |
| Input frequency range | 0.2 Hz ~ 5 kHz (1 rpm ~ 25 000 rpm) |
Select ‘r’ for speed display or ‘s’ for linear‑velocity display on the device.
Choose P0 for no decimal, P1 for one decimal place, or P2 for two decimal places.
Cut a square hole in the control panel, insert the tachometer, and secure it with the supplied screws and mounting bracket.