The grain temperature spear is a cost effective solution for monitoring the condition of stored grain. 

Many years of research has proven that temperature has a massive impact on the activity of grain storage pests, mould development and the deterioration of stored grain. The temperature spear aims to provide a simple and cost effective method of monitoring grain with a simple LCD display, sturdy build quality and battery life of over 2 years. The 1 meter long spear allows temperature readings to be taken well into the grain mass and is perfect for silos, grain bags, bunkers and bunker sheds. 

The temperature targets below give a rough indication of what industry considers acceptable temperatures of stored grain at different times of the year. If stored grain is exceeding these temperatures give us a call to discuss options and how to improve the current situation:

  • Summer: 18-23oC
  • Winter: 15oC or below

Interested in Grain Temperature Spears?

Contact us for more information. 

Contact us


Reach out to the Control Unlimited team today

07 4634 4706

Unit 1, 15 Freighter Avenue,
Toowoomba Qld 4350


One of our friendly team members will get in touch with you to answer your questions and discuss your requirements

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Control Unlimited are ready to assist you with everything from Grain Aeration Controllers right through to installation and service.

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Contoller Software demo

This demo really isn’t a big commitment or difficult to do. Please see below for our demo process: 

  1. Request a demo using the form below. This will then send us an email with your details. 
  2. Your details are then entered into our system as soon as possible and then immediately assigned to the demo controller. 
  3. You will receive an email with your username and password. 
  4. Head over to grainsafemonitor.com.au/7000/login.php and enter the details in the email we sent you. You will have access to the controller we have in our workshop. 
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