Boost Your Diesel Sales and Build Customer Loyalty with Nivelwatcher
Monitor every tank, automate your orders and improve efficiency from a single dashboard
Stay ahead of demand and earn customer loyalty like never before
What is NivelWatcher?
NivelWatcher by Celestia TST is an advanced solution designed to monitor, automate and optimise your liquid fuel distribution business.


Smart Fill Level Monitoring Device
Precise technology, easy installation
- Instantly see your customersʼ tank levels—no more guesswork or blind calls
- Receive automatic alerts when tanks need refilling, so youʼre always one step ahead
- Track each customerʼs usage patterns to anticipate future orders
- Receive real-time notifications to act fast and secure every sale
- Available with Sigfox, LoRa or Cellular NB-IoT connectivity
DOWNLOAD THE TECHNICAL DATASHEET
User-Friendly Management Platform
Full remote control, anywhere
- Monitor all your customersʼ stock from your phone or computer—anywhere, anytime.
- Powerful analytics to predict demand and automate order creation.
- Adapt to business fluctuations with elastic logistics and smarter route planning.
- Assign roles and permissions for sales teams, distributors and customers.
What you get:
How does it work?
Transform your customer service. Predict customer needs, be more proactive and cut your costs. Build customer loyalty like never before.
Effective Loyalty
Offer maintenance, technical advice and more value-added services.
Full Automation
Orders generated automatically based on actual consumption.
Elastic Logistics
Efficiently manage fluctuations in demand.
Digital Supply Chain
Total supply chain control from a single dashboard.
Cost Reduction
Forecast demand and optimise your logistics to cut unnecessary costs.
Reinvent Your Business
Explore new loyalty schemes – fixed rates, automatic order confirmation, discounts and more.
What our customers say: Propenor
“We started out with five sensors on a pilot project. Today we have 50. Thanks to NivelWatcher, we can predict our customers’ needs, plan better and reduce costs. Our customers are more satisfied and loyal as a result. We plan to scale up the solution to revolutionise our relationship with our customers.”
-Raúl Blanco, Sales Representative, Propenor.


Interested? Request your free demo!
Try NivelWatcher with a pilot project and see from day one how you can increase sales, build loyalty and cut costs.
At Celestia TST, we adapt technology to your operations – not the other way around. With over 18 years of experience in the IoT ecosystem, we develop comprehensive and tailor-made solutions to meet the most demanding requirements.