ATAGO® CM‑800α‑PG In‑Line Propylene Glycol Monitor

ATAGO® CM‑800α‑PG In‑Line Propylene Glycol Monitor

The ATAGO® CM‑800α‑PG is an in‑line concentration monitor designed specifically for propylene glycol solutions used in coolant systems, brine, anti‑freeze, and de‑icing applications. It provides continuous measurement of propylene glycol concentration and includes a secondary scale for freezing point. The CM‑800α‑PG is engineered for industrial processes requiring real‑time monitoring, stable output signals, and dependable accuracy across a wide temperature range.

Key Features

• In‑line measurement of propylene glycol concentration
• Secondary freezing‑point scale for coolant and anti‑freeze applications
• Wide temperature measurement range from −15 to 160°C
• High‑accuracy readings suitable for industrial process control
• DC 4–20 mA and RS‑232C output for integration with control systems
• High/low alarm output via open‑collector signal
• Temperature compensation from 5 to 100°C
• Powered by DC 24V for stable operation

More About This Item

The CM‑800α‑PG is widely used in chiller systems, industrial cooling loops, freeze‑protection systems, and de‑icing fluid management. Its in‑line design allows continuous monitoring without manual sampling, improving process efficiency and reducing downtime. The instrument’s dual‑scale capability provides both propylene glycol concentration and freezing‑point information, making it ideal for facilities requiring precise coolant performance monitoring.

ATAGO in‑line monitors are manufactured in Japan and known for long‑term reliability, stable output performance, and robust construction suitable for demanding industrial environments.

Technical Specifications

• Model: CM‑800α‑PG
• Catalog Number: 3532
• Range:
  Propylene glycol: 0.0 to 90.0%
  Freezing point: −50 to 0°C / −58 to 32°F
  Temperature: −15 to 160°C / 5 to 320°F
• Resolution:
  Propylene glycol: 0.1%
  Freezing point: 1°C / 1°F
  Temperature: 1°C / 1°F
• Accuracy:
  Propylene glycol: ±0.4%
  Freezing point: ±1°C / ±1°F
  Temperature: ±1°C / ±1°F
• Temperature Compensation: 5 to 100°C
• Output:
  RS‑232C
  DC 4–20 mA
• Alarm Output: Open‑collector output for high‑ and low‑limit alarm settings
• Power Supply: DC 24V

Included Accessories

• Main unit
• Instruction manual

The CM‑800α‑PG is ideal for industrial cooling systems, freeze‑protection applications, and any process requiring continuous, accurate propylene glycol concentration monitoring. Its robust design, wide measurement range, and multiple output options make it a dependable solution for real‑time process control.

This item is NON‑REFUNDABLE/NON‑RETURNABLE once the order is placed. Please call if you are unsure this item will work for you.