TOHO TTM-004W-I-A – Digital Temperature Controller (DC 4–20mA Output, 48×77×48 mm)
Product Overview

The TOHO TTM-004W-I-A is a compact, high-precision digital temperature controller designed for reliable and efficient process control in industrial applications. With support for multiple input types, easy front-key configuration, and versatile output functions, it ensures stable and accurate temperature management across a wide range of environments.

Ideal for manufacturing, laboratory, and process automation, this controller combines multiple input compatibility with a robust DC 4–20mA analog output, making it suitable for integration into modern control systems.

Key Features

Multiple Input Support: Accepts both thermocouples and platinum RTD sensors (Pt100)

Analog Output: Standard DC 4–20mA for integration with PLCs and monitoring systems

Event Output: 1-point event control for alarms or switching applications

Compact Design: 48 × 77 × 48 mm, lightweight construction (~180 g) for easy panel installation

User-Friendly Operation: Simple configuration via front keys

Universal Power Supply: AC 100–240V (±10%), 50/60 Hz

Accessories Included: Mounting attachments for quick installation

Technical Specifications
Parameter Value
Model TTM-004W-I-A
Manufacturer TOHO Electronics
Input Types Thermocouple, Platinum RTD (Pt100)
Output Specification DC 4–20 mA
Event Output 1 Point
Power Supply AC 100–240 V (±10%), 50/60 Hz
Size 48 × 77 × 48 mm
Weight ~180 g
Accessories Mounting attachments
Package Size 75 × 115 × 65 mm (~170 g)
Applications

Industrial temperature monitoring & control

Process automation systems

Laboratory equipment

Heating & cooling process regulation

Integration with PLCs, HMIs, and SCADA systems

Compliance & Reliability

Designed for industrial use with high durability

Stable measurement and control for both heating and cooling applications

Easy-to-maintain, compact unit ensuring long service life