Real-time temperature monitoring for cold rooms, refrigerators, freezers and food storage across South Africa — with instant SMS alerts and a live web dashboard.
Designed for the South African market — Vodacom, MTN and Cell C data, local SMS Talking, ZAR pricing.
Built on proven open hardware — no proprietary lock-in, no monthly hardware fees, fully field-repairable.
The unit uses an Arduino paired with a 3G GSM/GPS module and up to 8 waterproof temperature probes. It operates on any South African SIM — Vodacom, MTN, Cell C, Telkom Data.
The firmware is hardened for continuous unattended operation with automatic reconnect, a 5-minute software watchdog, and SD card backup logging so data is never lost during connectivity outages.
Hardware specifications, component lists, wiring diagrams and installation guides are available on request. Contact us for a detailed technical brief tailored to your application.
Request Specs →Buy the hardware once and pay a low monthly fee — or go zero-upfront with our rental option. Both include GPS tracking, 6 probes, live dashboard and SMS alerts.
Perfect for a single site. Buy the hardware once, pay a low monthly fee. Includes GPS tracking.
Multi-site businesses. Lower monthly rate per unit when you run 2 or more. Best value vs the competition.
Built for refrigerated transport fleets and large retail chains. Volume pricing from 6+ units.
Large retailers, logistics companies and food manufacturers. Custom quote with onsite installation and training.
All prices exclude VAT · Hardware shipped within 5 business days · SIM data not included · Prices per unit unless stated
We install and support ControlTemp units across South Africa. Contact us for a quote, a demo, or to discuss a custom solution for your operation.