• CH802 Meter - Digital Temperature Controller & PID Controller
  • CH802 Meter - Digital Temperature Controller & PID Controller
  • CH802 Meter - Digital Temperature Controller & PID Controller
  • CH802 Meter - Digital Temperature Controller & PID Controller

CH802 Meter - Digital Temperature Controller & PID Controller

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.

  • CH802 Meter - Digital Temperature Controller & PID Controller
  • CH802 Meter - Digital Temperature Controller & PID Controller

Description

CH series universal input temperature controller

Product Introduction
The CH series universal input temperature controller offers a wide range of models, including the CH102 and CH402, to meet diverse installation requirements. It features a dual-line display that displays both process and setpoint values. Input signals are compatible with thermocouples, RTDs, current, and voltage signals, and a variety of output formats, including relays, solid-state relays, and continuous current PID output. It features two relay alarms with multiple selectable alarm modes, heating/cooling control switchability, and power supply compatibility of 100-240VAC or 21-48VAC/DC. Optional RS485 communication and optically isolated inputs are available, along with features like ramp heating and automatic/manual mode switching. Comprehensive technical specifications include control options such as PID and ON/OFF, and a variety of heating/cooling outputs for wide operating environments. Clear ordering codes allow for customization, and input signals and temperature ranges are compatible with various sensors. The included wiring diagram and host software facilitate installation, parameter configuration, and data management, providing a reliable and flexible solution for industrial temperature control.



  • Versatile Temperature Control Solution for Industrial Use

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.


  • Product Model
  • Product Specifications
    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.


  • Features

  1. Dual-line display of process value and set value
  2. Input signal: thermocouple, thermal resistor, current signal, voltage signal
  3. Output: Relay/state relay/current continuous PDD output
  4. Two sets of relay alarms, multiple alarm modes
  5. Heating/cooling control optional
  6. Power supply: 100-240VAC/21-48VACDC
  • Optional product features

  1. RS485 communication interface MODBUS/RTU protocol
  2. Opto-isolated external contact input
  3. Thermal resistor Pt100/PT1000 optional
  4. Slope heating function
  5. Automatic/manual mode switching
  6. Second control point
  • FOTIMA company display





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.