Online Analyzer Selection Information Checklist

Category：Selection basics

The minimum process, medium, installation, material, protection and interface information needed for traceable selection.

Required information

Provide the medium, main components, target parameter and range, temperature, pressure, pipe size and flow or tank conditions.

Particles, bubbles, crystallization, deposits and corrosiveness
Hygienic, CIP/SIP, explosion-proof or clean-process requirements
Installation space, isolation, cleaning and power/communication conditions

Reference method and samples

Describe the laboratory method, sampling frequency and reference instrument. For complex media, prepare representative samples across the main concentration and temperature range.

Outputs and acceptance

Confirm 4-20mA, RS485/Modbus or Ethernet, and agree on comparison method, allowed deviation, trend-verification period and acceptance records.