This is the user manual of SI5002, SI5003 flow sensor. It mainly introduces the safety precautions, features, installation methods, operation methods and maintenance methods of the sensor.
This manual describes the SI5002 and SI5003 flow sensors, which detect liquid and gas flow using a thermal measurement principle. It covers safety precautions, functional features, installation methods, wiring, operation displays, and configuration settings for both high‑flow and low‑flow modes.
Detailed sections include recommended mounting distances, adapter installation, output types (PNP for SI5002, NPN for SI5003), error indications, maintenance procedures, mechanical dimensions, and full technical specifications. This manual is written in Japanese.