Simple and Affordable
Sugarbush Monitoring


Simply place the SapSpy Sensor Hub in your sugar bush, turn it on, login to the web app and always know the status of your sugarbush.

The Sap Spy - Sensor Hub

The Sensor Hub is an all-in-one device that monitors the most critical needs of a sugarbush!

  • Vacuum Level (0-29.9 inHg)
  • Tank Level (0-100%)
  • Temperature (degrees F/C)
  • Pump On/Off (Optional Add on)
  • Communicate to Sensor Nodes (Optional Add on)
  • Cellular connected and ready to use.
  • Powered by USB, solar panel or 12 VDC
  • Includes rechargeable battery that lasts 2-4 weeks between charges when power is not available.

The Sap Spy Web App:

Web App: Check the status of your sugarbush from any mobile device (iphone or Android, tablet, or computer using a standard web browser.

SMS Alerts: Receive text alerts for low vacuum, high tank level, low battery or loss of power. Can send SMS alerts up to 3 different phone numbers.

Plot history: Plot the history of the vacuum, tank level, temperature and battery.


It is so simple to set up and use...overall a great addition to our operation.

Dr. Tim Perkins - UVM Proctor Maple Research Center

As soon as there is an issue you know it. I would of lost a days production without it.

Ed Z.

Being able to plot the data is awesome, it gives me peace of mind knowing my pump is working properly. 

Rob T.

Knowing the tank level is great as it allows me to better plan my day based on sap flow.

Keith W.

This thing is fantastic. It saved me countless trips back and forth from the woods. 

Justin K.
Sap Spy - Sensor Hub
Sap Spy - Sensor Hub
This is the 2 relay control module. Independently control 2 different relays. Each rated at 10 Amps
Sap Spy - Sensor Hub
120 Volt Outlet  controllable from SapSpy. 1 Always On, 1 Normally On and 2 Normally off ports. Total load is up to 10 Amps.  All ports change state together.
Sap Spy - Sensor Hub
2 relay control plugs directly into the SapSpy.
USB Cable to Power or Charge the SapSpy Sensor Hub

Sap Spy - Sensor Hub

Regular price $895.00

Customer Reviews

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Coverage Map

Hardware Overview:

Web App Overview:

Relay Control Overview: