The Siemens SITRANS TH100 7NG3211 Temperature Transmitter is a compact head-mounted temperature transmitter designed for precise measurement using Pt100 resistance temperature detectors (RTD). It converts the sensor signal into a standardized 4–20 mA output for reliable integration into industrial automation systems.

Designed for installation in DIN B connection heads, the SITRANS TH100 provides a cost-effective solution for temperature monitoring in general industrial applications. It supports programmable measuring ranges and two-wire operation, making it suitable for a wide range of temperature measurement requirements.

The transmitter is available in versions with optional explosion protection, including ATEX intrinsic safety and FM approvals, for applications requiring hazardous area compliance.

Key Features

• Compact head-mounted temperature transmitter
• Designed for Pt100 RTD temperature sensors
• Standard 4–20 mA two-wire output
• Programmable measuring range
• Installation in DIN B connection heads
• Supports 2-wire, 3-wire, and 4-wire Pt100 connection methods
• Temperature-linear output signal
• Reliable operation in industrial environments
• Optional ATEX and FM explosion protection versions
• Easy replacement of conventional temperature transmitters
  

Technical Overview

Applications

• Process temperature monitoring
• Chemical industry equipment
• Water treatment systems
• Machinery temperature measurement
• HVAC and building automation
• Industrial heating systems
• Food and beverage processing
• Pharmaceutical equipment
• General process instrumentation

Selection Notes

Before selecting the Siemens SITRANS TH100 Temperature Transmitter, consider:

• Required Pt100 sensor type
• Temperature measuring range
• Connection head size and installation method
• Hazardous area certification requirements
• Required output signal
• Environmental temperature conditions

Recommended selection:

• Standard industrial applications → SITRANS TH100 7NG3211
• Hazardous environments → Select ATEX/FM approved version
• Advanced digital communication requirements → Consider SITRANS TH320/TH420 series

FAQ

Q1: What sensor does Siemens SITRANS TH100 support?

The SITRANS TH100 is designed for Pt100 resistance temperature sensors according to IEC 60751.

Q2: What output signal does SITRANS TH100 provide?

It provides a standard 4–20 mA two-wire output, suitable for connection to PLC, DCS, and process control systems.

Q3: Where is SITRANS TH100 installed?

The transmitter is installed inside DIN B type connection heads and is commonly used with industrial RTD temperature sensors.