The CH Meter/CH802 Meter is a versatile temperature control instrument featuring universal input compatibility and a dual-line display for precise monitoring. This digital temperature controller supports multiple output types and PID control for industrial thermostatic applications.
The CH Meter/CH802 Meter serves as a universal input temperature controller, designed primarily for engineers and system integrators seeking flexible temperature regulation solutions. It supports diverse input signals, including thermocouples, RTDs, currents, and voltages, enabling broad compatibility across various monitoring and control scenarios. This device targets industries requiring precise thermal management, such as manufacturing, research labs, and process automation, where reliability and integration into existing control systems are critical. Its multi-signal acceptance streamlines deployment by reducing the need for multiple controllers.
Advanced Technical Specifications for Precise Regulation
Equipped with dual-line display functionality, the digital panel meter provides simultaneous visibility of process values and setpoints, facilitating accurate temperature tracking. The built-in PID controller allows self-tuning and includes integral action limits to optimize system response. Outputs are configurable between SPDT relays, solid-state relays, and analog signals, supporting heating and cooling controls. Communication capabilities via optional RS485 with Modbus enhance remote monitoring and parameter adjustment. Power options accommodate 100-240 VAC or 21-48 VAC/DC supplies, emphasizing adaptability to various industrial environments. Alarm configurations with dual relays add a safety layer for critical process control.
Industrial Applications Demonstrating Functional Efficiency
This temperature control instrument is well-suited for rigorous industrial environments demanding high-precision thermal regulation. Applications include temperature monitoring and control in small-scale manufacturing, experimental setups for prototype development, and automated test stands. Its wide universal input capability makes it ideal for replacing legacy controllers, enabling system upgrades without reengineering signal interfaces. Integration with host software improves data management and workflow optimization, thereby supporting long-term operational efficiency and compliance with industry standards.

| Overall dimensions (width × height × depth, mm) | CH102: 48* 48* 110; CH402: 48* 96* 110; CH502: 96* 48* 110; CH702: 72* 72* 110; CH802: 96* 48* 110; CH902: 96* 96* 110 |
| Installation hole dimensions (width × height, mm) | CH102: 45* 45; CH402: 45* 92; CH502: 92* 45; CH702: 68* 68; CH802: 92* 45; CH902: 92* 92 |
| Technical Parameters - Input | Thermocouple input signal: K/J/E/N/T/R/S/B; RTD input signal: Cu50/Pt100/Pt1000; Linear signal: 0/4 - 20mA, 0/1 - 5VDC, 0/2 - 10VDC |
| Technical Parameters - Control | PID control/ON/OFF control; PID computer integral action limit; sampling time optimization function; self-tuning function; heating and cooling control |
| Technical Parameters - Heating/Cooling Control Output | SPDT relay 5A@250VAC, 6A@125VAC relay / +12VDC logic drive solid-state relay, maximum load can drive 35mA; 0/4 - 20mA or 0/2 - 10V continuous output; thyristor zero crossing / phase shift output |
| Technical Parameters - Alarm Output | Two-way alarm SPST relay, alarm mode code: A (upper limit deviation alarm), B (lower limit deviation alarm) and other |
| Technical Parameters - Operation | Automatic/Manual mode |
| Technical Parameters - Power Supply | 100 - 240VAC 50/60HZ Power: 4W; 21 - 48VAC/DC Power: 4W |
| Technical Parameters - Working Environment | Temperature: 0 - 50°C; Relative humidity: 30% - 85% (non-condensing) |
Product Advantages
Modular Design Enhances System Compatibility
The CH Meter/CH802 Meter exhibits a modular form factor, offering multiple dimension options to accommodate diverse mounting needs, such as panel or DIN rail installations, which supports adaptability within complex systems. Its universal input design is coupled with configurable outputs, allowing seamless integration with a range of industrial thermostats and temperature regulators. The inclusion of optically isolated inputs and comprehensive relay alarm settings enhances system safety and signal integrity in electrically noisy environments. Clear, customizable ordering codes facilitate tailored configurations, reducing lead times and simplifying inventory management in procurement processes.
High-Performance Control Delivering Operational Flexibility
Performance-wise, the CH Meter/CH802 delivers reliable temperature regulation through sophisticated PID control algorithms with automatic/manual mode switching and ramp heating features. The dual-line digital panel meter display ensures operators can monitor and adjust setpoints and actual temperatures simultaneously, improving operational accuracy. Its compatibility with multiple power inputs and communication protocols positions it as a versatile tool for process optimization. User-focused software support enables smooth parameter setting and data recording, empowering users to maintain tight control over temperature-driven processes and enhancing overall system ROI.






Use Scenarios
Precision Control in Laboratory Testing Environments
In research laboratories and testing facilities, the CH Meter/CH802 Meter plays a pivotal role in designing and testing temperature-control loops, providing accurate and stable temperature regulation critical for experimental fidelity. Its universal input capacity accommodates diverse sensor types commonly used in lab instrumentation, while optional RS485 communication enables real-time data logging and remote parameter adjustments, aligning with stringent testing protocols. Integration into benchtop systems facilitates seamless interaction with measurement equipment, ensuring laboratory personnel can rely on consistent temperature conditions vital for valid test results.
Automation and Retrofits in Small-scale Manufacturing
Within small-scale manufacturing environments, this intelligent temperature controller supports automation processes requiring precise thermal regulation for product quality consistency. It is especially valuable during upgrades or retrofits of legacy systems, where its universal input acceptance and flexible output configurations allow swift replacement without extensive retooling. Compliance with common power standards (100-240 VAC and 21-48 VAC/DC) and multi-model CH series compatibility ensure it fits diverse manufacturing line architectures. By integrating effectively with automated control networks, it enhances process reliability and minimizes downtime associated with temperature-related issues.
FAQ
What input signals does the CH Meter/CH802 Meter support?
Our CH Meter/CH802 Meter accepts universal input signals including thermocouples (types K, J, E, N, T, R, S, B), RTDs like Pt100, Pt1000, Cu50, and linear inputs such as 4-20 mA and 0-10 V. This flexibility ensures compatibility with a wide range of industrial temperature measurement needs.
Can I customize the output and communication options on the CH802 temperature controller?
Yes, our temperature controller offers various output configurations including SPDT relays, solid-state relays, and analog current or voltage outputs. We also provide optional RS485/Modbus communication interfaces for integration into your control system, enabling flexible automation and data management.
How do you ensure precise temperature control with your digital temperature controllers?
Our digital temperature controller models feature PID control with self-tuning and programmable parameters, plus ON/OFF control modes. Dual-line displays show both setpoint and process value for clear monitoring. Heating/cooling control with relay alarms helps maintain accuracy in demanding industrial environments.
What support do you provide for installation and parameter configuration of the CH series controllers?
We supply clear wiring diagrams and host software to assist with installation and configuration. Our technical team offers reliable after-sales support to ensure smooth setup and accurate parameter tuning of your temperature control instrument, maximizing performance and reliability.