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- Manufacturer: Yokogawa 
-    Part Number: UT551 
- Condition:New with Original Package 
- Product Type: Digital Indicating Temperature Controller 
-   Country of Origin: Japan 
- Payment:T/T, Western Union 
- Shipping port: Xiamen 
- Warranty: 12 months 
Yokogawa UT551 | Temperature Controller Module
Product Overview
The Yokogawa UT551 is a microprocessor-based digital indicating controller designed for precise temperature and process control. It is part of the UTAdvanced series, suitable for industries such as chemical, pharmaceutical, food processing, and energy.
This module features a large Active Color PV Display, changing color to indicate process status, enhancing operator visibility. It supports PID, ON/OFF, manual control, and auto-tuning, ensuring reliable operation for critical applications. The UT551 accepts thermocouple, RTD, voltage, and current inputs, making it flexible for diverse process signals.
Technical Specifications
| Specification | Details | 
|---|---|
| Model Number | UT551-01 | 
| Product Type | Digital Indicating Temperature Controller | 
| Display | Large 5-digit LED with Active Color PV Display | 
| Control Modes | PID, ON/OFF, Manual, Auto-tuning | 
| Input Types | Thermocouple, RTD, Voltage, Current | 
| Output Types | Relay, Voltage pulse, 4–20 mA, SSR drive | 
| Power Supply | 100–240 V AC, 50/60 Hz, 20 VA | 
| Sampling Period | 100 ms | 
| Mounting Type | 1/4 DIN Panel mount | 
| Dimensions (W × H × D) | 96 × 96 × 100 mm | 
| Weight | 0.59 kg | 
| Communication | RS-485 (Modbus RTU), Ethernet optional | 
| Operating Temperature | –10°C to +50°C | 
| Storage Temperature | –20°C to +60°C | 
| Humidity Range | 10% to 90% RH, non-condensing | 
| Safety Standards | CE, UL, CSA | 
| Country of Origin | Japan | 
| Condition | New and in stock | 
| Shipping Port | Xiamen | 
| Payment Options | T/T, PayPal, Western Union | 
FAQ
Q1: What input signals does the UT551 support?
The UT551 accepts thermocouples, RTDs, voltage, and current for maximum flexibility.
Q2: Can this module perform PID control?
Yes, the UT551 supports PID, ON/OFF, and manual control, with auto-tuning for optimal performance.
Q3: What is the power supply range?
It operates on 100–240 V AC, 50/60 Hz with a power consumption of 20 VA.
Q4: Is the UT551 suitable for panel mounting?
Yes, it is a 1/4 DIN panel mount controller, compatible with standard control panels.
Q5: What warranty and shipping options are available?
All Yokogawa UT551 units are brand new and original, shipped via DHL/FedEx within 3–14 days, with a 12-month warranty and 30-day return support for quality issues.
