CH Instruments/CH3000 Rail-Mounted Instruments

• 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.
  

Rail-Mounted Temperature Control for Space-Efficient Industrial Panels

The CH Instruments/CH3000 series is a practical Temperature Controller platform designed for control cabinets where installation density, wiring order, and dependable operation matter. As a rail-mounted Temperature Control Instrument, it helps integrators and plant engineers manage thermal processes without sacrificing panel space, making it well-suited for compact automation systems, utility enclosures, and distributed control architectures. Its form factor supports structured DIN rail installation, while its role as an Industrial Thermostat and Digital Temperature Controller makes it a strong choice for maintaining process stability, reducing manual intervention, and improving consistency across production environments that demand repeatable thermal regulation.

Control Intelligence with CH3000 Series Monitoring and Regulation Functions

Built for professional industrial use, the CH3000 supports the operational expectations associated with an PID Controller, Digital Panel Meter, and Temperature Regulator in one rail-mounted solution category. Its configuration is suited to applications that require accurate indication, responsive control behavior, and reliable integration into instrumented panels. For buyers evaluating a DIN Rail Temperature Controller or an Intelligent Temperature Controller, the CH3000 series offers a system-oriented option for tracking and regulating thermal conditions across equipment and process lines. Where projects call for broader monitoring structures, the platform also aligns with Multi-channel Temperature Controller requirements in coordinated control schemes, helping engineering teams standardize hardware selection and panel design logic.

Well-Suited for OEM Systems, Process Equipment, and Facility Automation

In real-world deployment, CH Instruments/CH3000 Rail-Mounted Instruments fit OEM builds, machinery control cabinets, HVAC-related thermal supervision, utility skids, and factory subsystems that require reliable temperature indication and control at the panel level. This makes the series relevant for machine builders, maintenance teams, and automation contractors looking for a stable Digital Temperature Controller that supports efficient commissioning and practical long-term operation. Whether specified as a dedicated Temperature Controller for a single thermal zone or used within a broader architecture that resembles a Multi-channel Temperature Controller strategy, the CH3000 gives B2B buyers a dependable option for improving thermal control discipline, supporting uptime targets, and aligning instrumentation choices with organized industrial panel 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)

• 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

• Product optional 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
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