TK7 Liquid crystal temperature controller

Product Introduction

Product Overview & Core Design Concept

The TK7 Liquid Crystal Temperature Controller is a high‑performance, intelligent digital temperature control instrument independently developed and produced by Suosite Electrical. It is designed for high‑end industrial automation equipment, precision heating systems, environmental test chambers, packaging machinery, and other scenarios that demand stable, accurate, and user‑friendly temperature management. Unlike traditional LED digital tube controllers, the TK7 adopts a clear liquid crystal display (LCD) to provide richer information, more comfortable viewing, and a more modern interface while maintaining industrial‑grade reliability. With more than 10 years of professional experience in temperature controllers and solid‑state relays, Suosite Electrical has integrated advanced control algorithms, high‑precision sampling, and strong anti‑interference capabilities into the TK7 series. It supports multiple sensor inputs, multiple output modes, and flexible parameter configuration, making it suitable for both simple heating control and complex closed‑loop regulation. The TK7 not only ensures precise temperature control but also improves operation efficiency and equipment stability, helping global manufacturers enhance product quality and reduce production costs.

Key Product Features

The TK7 Liquid Crystal Temperature Controller comes with a full set of advanced and practical features that bring excellent usability and stability to industrial users.
First, it is equipped with a high‑definition liquid crystal display, which clearly shows measured value, set value, output status, alarm prompts, and parameter menus in a user‑friendly layout, greatly improving readability and operation convenience.
Second, it supports multiple universal signal inputs, including various thermocouples (K, J, E, T, S, R, B) and RTD (PT100), covering almost all industrial temperature measurement requirements without hardware modification.
Third, it provides diversified control outputs, including relay output, solid‑state relay (SSR) drive, and analog retransmission, making it compatible with heaters, contactors, valves, fans, and PLC systems.
Fourth, it uses intelligent PID with self‑tuning, which automatically optimizes control parameters to minimize overshoot and fluctuation, ensuring highly stable temperature control.
Fifth, it includes comprehensive alarm functions, supporting upper limit, lower limit, deviation, and sensor break alarms to protect equipment and ensure safe production.
Sixth, it has a power‑off data memory function that automatically saves all settings, avoiding reconfiguration after a power failure.
Finally, it adopts a standard panel installation size with a flame‑retardant shell and sturdy structure, suitable for long‑term use in harsh industrial environments.

Technical Advantages & Stability Performance

Backed by Suosite Electrical’s strong R&D strength and strict quality control system, the TK7 Liquid Crystal Temperature Controller shows outstanding technical advantages and long‑term reliability.
Its core circuit uses a high‑speed industrial microcontroller and 24‑bit high‑precision AD conversion, achieving measurement accuracy up to ±0.1% FS, ensuring stable and accurate data even in complex working conditions.
The TK7 adopts a professional anti‑interference design, including photoelectric isolation, surge protection, and noise filtering circuits, enabling stable operation in workshops with frequent motor starts, high‑power equipment, and strong electromagnetic interference.
The optimized PID algorithm effectively suppresses temperature overshoot and oscillation, with fast response and high control precision, significantly improving product yield and process consistency.
Every unit undergoes 100% full‑load aging testing, insulation testing, and high/low‑temperature testing before leaving the factory, meeting strict industrial quality standards.
With a mean time between failures (MTBF) of more than 50,000 hours, the TK7 supports 24/7 uninterrupted operation. Compared with similar products, it has higher precision, better stability, stronger anti‑interference performance, and longer service life, making it widely trusted by professional equipment manufacturers.

Technical Parameters & Specifications

To help engineers, purchasers, and maintenance personnel make accurate selections, the TK7 Liquid Crystal Temperature Controller provides complete and clear technical parameters.
Input types: K, J, E, T, S, R, B thermocouples; PT100 RTD (configurable).
Measurement range: -50℃ to +1300℃ (depending on the sensor).
Control accuracy: ±0.1℃ ~ ±1℃, meeting high‑precision industrial control requirements.
Display: High‑contrast LCD screen, multi‑information integrated display.
Control output: Relay output (250VAC 3A); SSR drive output (12V DC); optional analog retransmission.
Alarm output: Upper / lower / deviation / break alarm, relay contact output.
Power supply: AC85–264V wide voltage input, universal for global power grids.
Operating environment: -10℃ to +60℃, humidity 35%–85%RH (non‑condensing).
Installation: Panel mount, standard opening size, easy to integrate into cabinets and equipment.
Safety: Flame‑retardant shell, anti‑reverse connection protection, multiple safety certifications.
All parameters comply with international industrial standards and CE certification requirements, ensuring high compatibility, safety, and interchangeability for global users.

Industry Applications & Practical Cases

The TK7 Liquid Crystal Temperature Controller is widely used in many high‑precision industrial fields with remarkable application effects.
In precision packaging and plastic machinery, it controls temperature for extruders, hot runners, sealing bars, and blow molding machines, ensuring stable material melting and high product consistency. Many well‑known packaging machine factories have improved product qualification rates and reduced energy consumption after using TK7 controllers.
In environmental test chambers and laboratory instruments, its high precision and stability support material reliability testing, aging experiments, and scientific research projects.
In heating and drying equipment such as precision ovens, drying cabinets, and heating platforms, it provides uniform and stable temperature control to meet food, pharmaceutical, and chemical processing standards.
In electrical control cabinets, it prevents overheating and condensation, extending the service life of electrical components.
It is also widely used in printing machinery, food machinery, heat treatment equipment, new energy equipment, and automated production lines.
Real customer feedback confirms that the TK7 series significantly improves equipment stability, reduces failures, lowers maintenance costs, and brings clear economic benefits to enterprises.

Commercial Value & Supply Chain Support

Choosing the TK7 Liquid Crystal Temperature Controller brings significant commercial value and reliable support to equipment manufacturers, system integrators, and distributors.
High‑precision temperature control improves product quality, reduces defective rates, saves energy, and lowers production costs. The user‑friendly LCD interface reduces training time and operating errors, while the easy‑installation design shortens assembly time.
For equipment manufacturers, using the TK7 series enhances product grade, reliability, and brand competitiveness, helping expand overseas markets.
Suosite Electrical provides strong supply chain support: mature production lines, sufficient inventory, and fast delivery, with most standard models shipped within 48 hours. The company supports ODM/OEM customization, including logo, interface, parameters, and functions, to meet diverse project needs.
Backed by a professional technical team, Suosite Electrical offers full‑life‑cycle services including pre‑sales selection, on‑site debugging guidance, and after‑sales support.
As a national high‑tech enterprise with CE certification and multiple patents, Suosite Electrical maintains strict quality control and continuous R&D investment. The TK7 series provides stable, high‑precision, and user‑friendly temperature control solutions for global industrial customers, backed by consistent quality and long‑term supply capacity.

Model Meaning

T: Temperature controller

K: Button setting type

7: (Model)

S: DIN W48×H48×L86mm

M: DIN W72×H72×L127mm

H: DIN W48×H96×L66mm

L: DIN W96×H96×L66mm

1: One Alarm output

2: Two-channel Alarm output

3: Communication function (RS485)

1: 24VAC 50/60Hz, 24-48VDC

4: 100-240VAC 50/60Hz

RV: Relay output +SSR output (AC power supply)

Relay output +SSR output (AC/DC power supply type)

Relay output +SSR output (AC/DC power supply type)

1.Specification

2.Alarm output

3. Shape and opening size