RH400 PID Digital Industrial Temperature Controller SSR Relay
RH400 PID Digital Industrial Temperature Controller SSR Relay
RH400 PID Digital Industrial Temperature Controller with SSR Relay Output
Take full command of your industrial heating or cooling processes with the CKCTINNER RH400 PID Digital Temperature Controller. Engineered for precision and reliability, this CE-certified unit supports multiple sensor input types, advanced PID auto-tuning, and a range of output configurations — making it a versatile choice for manufacturing, process automation, lab environments, and more.
Made in Mainland China.
Key Features
- High Accuracy: ±0.5% of full scale for dependable, repeatable temperature management
- Universal Supply Voltage: 100–240V AC, 50/60 Hz — works with virtually any standard electrical supply
- Multiple Input Types: Supports Thermocouple (K, J, R, S, B, E, N, T), RTD (Pt100, Cu50), and Current (0–20 mA, 4–20 mA)
- Flexible Output Options: Electromagnetic relay, SSR (Solid State Relay), current output, and SCR — adaptable to your existing setup
- Advanced PID Control: PID with auto-tuning, self-tuning, and ON/OFF modes — easily selected via touch switch
- Comprehensive Alarm System: Deviation High/Low, Band, Process High/Low, and Set Value High/Low alarms keep your process in check
- Fast Sampling: 0.5-second sampling period for rapid response to temperature changes
- Strong EMC Rating: IEC61000-4-4 (4 kV/5 kHz) and IEC61000-4-5 (4 kV surge) — robust against electrical interference in demanding industrial settings
- High Isolation Voltage: ≥2300V between power, relay contact, and signal terminals; ≥600V between isolated weak signal terminals
- Digital LED Display: Clear, easy-to-read digital readout with LED indication for at-a-glance monitoring
- Low Power Consumption: Less than 5 VA — energy-efficient operation
- CE Certified: Meets European safety and quality standards
Technical Specifications
| Model | RH400 |
| Supply Voltage | 100–240V AC, 50/60 Hz |
| Accuracy | ±0.5% of full scale |
| Thermocouple Inputs | K, J, R, S, B, E, N, T |
| RTD Inputs | Pt100, Cu50 |
| Current Inputs | 0–20 mA, 4–20 mA |
| Output Types | Electromagnetic Relay, SSR, Current, SCR |
| Control Method | PID (Auto-tuning / Self-tuning), ON/OFF |
| Sampling Period | 0.5 seconds |
| Power Consumption | <5 VA |
| Operating Temperature | 0–50°C (32–122°F) |
| Operating Humidity | 30–85% RH, non-condensing |
| Certification | CE |
| Origin | Mainland China |
Ideal Applications
- Industrial ovens, furnaces, and kilns
- Plastic injection moulding and extrusion machinery
- HVAC and building automation systems
- Food processing and laboratory equipment
- Packaging machinery and heat-sealing equipment
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Frequently Asked Questions
Q: What input sensor types does the RH400 PID temperature controller support?
A: The RH400 supports a wide range of input types, including thermocouples (K, J, R, S, B, E, N, T), RTDs (Pt100 and Cu50), and current inputs (0–20 mA and 4–20 mA), making it compatible with most industrial temperature sensing setups.
Q: What output types are available on the RH400 temperature controller?
A: The RH400 offers four output types: Electromagnetic Relay, SSR (Solid State Relay), current output, and SCR. This flexibility allows it to integrate with a broad range of industrial control systems and actuators.
Q: Does the RH400 PID controller support auto-tuning?
A: Yes. The RH400 features PID control with auto-tuning and self-tuning capabilities, as well as a simple ON/OFF control mode. All settings are adjusted via an easy-to-use touch switch interface.
Q: What voltage does the RH400 digital temperature controller require?
A: The RH400 operates on a universal supply voltage of 100–240V AC at 50/60 Hz, so it is compatible with standard electrical systems in most countries without the need for a separate transformer.