ABB TTH300.E1.H.BF Head-mounted temperature transmitter

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1. Product Overview

The ABB TTH300.E1.H.BF Head-mounted Temperature Transmitter is an intelligent transmitter installed in the terminal head of thermocouples or RTDs. It converts sensor signals (thermocouple or RTD) into standard analog signals (4–20 mA) for process control and monitoring systems. It is widely used in chemical, power, pharmaceutical, food, and industrial automation applications.

2. Technical Specifications (Typical)

• Model: TTH300.E1.H.BF

• Type: Head-mounted Temperature Transmitter

• Sensor Types: Thermocouple (TC) or RTD

• Output Signal: Standard 4–20 mA current (two-wire)

• Supply Voltage: 10–30 V DC

• Measurement Range: −200 °C to +850 °C (depending on sensor)

• Accuracy: ±0.1% FS

• Ambient Temperature: ‑40 °C to +85 °C

• Protection Class: IP66 (terminal head protection)

• Mounting: Directly in thermocouple or RTD terminal head

• Certifications: CE, UL, FM compliant

• Features: Linearized output, fault detection (open/short), temperature drift compensation

3. Advantages & Features

• High-precision measurement: Supports multiple thermocouple and RTD types with linearized output.

• Intelligent diagnostics: Provides open-circuit and short-circuit fault alarms for reliable operation.

• Wide operating environment: Suitable for high/low temperatures and harsh industrial conditions.

• Easy installation: Head-mounted design fits directly into sensor terminal heads, saving space.

• Industrial compatibility: Standard 4–20 mA output integrates easily with PLC, DCS, or SCADA systems.

4. Typical Applications

• Temperature measurement in chemical and petrochemical processes

• Power plants and energy system temperature monitoring

• Pharmaceutical, food, and beverage process control

• Industrial automation production line temperature measurement

• HVAC system and equipment temperature monitoring

5. Installation & Operation Notes

1. Sensor matching: Ensure transmitter type matches the thermocouple or RTD used.

2. Power supply: Voltage must be 10–30 V DC with correct polarity.

3. Correct wiring: Follow the manual for input/output wiring to prevent reverse connection or short circuits.

4. Environmental conditions: Avoid humidity, corrosive gases, and mechanical shocks; ensure proper ventilation.

5. Periodic calibration: Regularly check output signal against sensor readings to ensure accuracy.