Description
Product Overview
The KETOTEK KT8230 is a relay-based temperature controller designed for industrial and scientific use, featuring a wide temperature range of -30°C to 300°C (-22°F to 572°F). With a 30A relay output, it supports high-power equipment such as incubators, brooders, refrigerators, fermenters, and greenhouses. This device ensures precise temperature control with 1°F accuracy and includes a 2-meter NTC sensor for flexible placement. It operates without batteries and has compact dimensions of 3.35 x 2.95 x 1.34 inches, weighing 8.8 ounces, making it durable and easy to integrate into various setups.

Usage
This temperature controller is ideal for environments requiring stable temperature regulation, including laboratories, farms, and manufacturing facilities. It is commonly used in applications like maintaining optimal conditions in incubators for poultry or reptiles, controlling fermentation temperatures in brewing, and managing greenhouse climates. The target audience includes professionals in industrial sectors, hobbyists in home brewing, and agricultural workers who need reliable, accurate temperature management for their equipment and processes.
Why Choose Us
KETOTEK stands out for its commitment to quality and precision, offering a temperature controller with robust safety features and user-friendly operation. The product’s competitive advantages include its high 30A relay capacity, which handles large power loads without voltage output, and its ability to retain settings after power cycles, reducing setup time. With certifications and positive customer reviews, it provides dependable performance and long-term reliability for demanding applications.
Key Features
- Wide temperature range from -30°C to 300°C for versatile applications
- 30A relay output supports high-power equipment like incubators and refrigerators
- Delay start function with adjustable timing from 0 to 7 minutes
- Safety alarms for temperature limits and sensor errors
- Easy operation with saved parameters and temperature correction up to ±7°C
FAQ
What is the temperature range of the KT8230?
The KT8230 covers a range of -30°C to 300°C (-22°F to 572°F), allowing for precise control in both cooling and heating scenarios.
Does this controller require an external power supply?
Yes, it is a relay temperature controller and needs an additional power supply connected to the load for operation, as it does not provide voltage output directly.
How accurate is the temperature control?
It offers 1°F accuracy, ensuring stable and reliable temperature maintenance for sensitive applications.
Can I use it for home brewing or fermentation?
Absolutely, it is well-suited for fermenters and similar setups, with features like delay start and temperature correction to optimize the process.
What safety features are included?
The controller alarms when temperatures exceed set limits or if there is a sensor error, and it allows customization of high and low temperature thresholds for added protection.




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