FM801 - Flow Monitor

Product Diagram

The FM801 monitors flow/no flow thermal sensors and activates a relay, and features:

  • Provides flow/no flow monitoring without any moving parts.
  • Adjustable timer for relay action.
  • Suitable for liquid or air flow monitoring.
  • Can be mounted up to 50m from sensor.
  • All common AC or DC power supplies.

Common applications include:

  • Wastewater treatment plants.
  • Chemical processing.
  • Ventilation systems.





Sensor Conditioning





Most drawings are supplied in PDF format. Portable Document Format is used to present documents in a manner independent of application software, hardware, and operating systems.


Lead Time for a Traditional Product


Traditional products usually contain the same functionally as standard and premier products but have a different connection, part number or specifications. Traditional products are still available as a service to our customers that have them specified in their plants. Delivery is typically 7 days.

Stock Variants

Stock variants usually ship in 1 day.
Power Supply 90-280Vac 50/60Hz (65-280Vdc)
Input Opt Liquid flow
Contact Change over 10A 250Vac
Action Direct
Trip Delay 5-30 Seconds (Standard)

Alternate Products


Order Processing


APCS makes and customises products according to a customers order. Upon receipt of the customers order the following information is required before manufacture, allocation or deliver until full details are given, these include;

  1. Identity of purchaser. Company name, ABN (Australian companies), street address and accounts email address.
  2. Required delivery address.
  3. Full part number and calibration detail required to manufacture items.
  4. Total on purchase order to include delivery charges. Orders received with missing information will be entered and marked to indicate missing details and returned to the customer for correction or approval.

Compliance with the above ensures that your items are manufactured and delivered according to the required specifications.

Standard delivery times commence after the order has been approved for processing.