H2-TCD I2C-I
High-precision, maintenance-free hydrogen detection
H2-TCD I2C-I
High-precision, maintenance-free hydrogen detection

The H2-TCD I2C-I is an industrial-grade hydrogen sensor with conventional heating elements that contains the entire electronic circuitry for control and read-out through the I2C digital bus. Based on a thermal conductivity operation principle, it is designed for use in a variety of applications which require an accurate hydrogen determination in nitrogen or other non oxygen-containing atmospheres.

The H2-TCD I2C-I is an industrial-grade hydrogen sensor with conventional heating elements that contains the entire electronic circuitry for control and read-out through the I2C digital bus. Based on a thermal conductivity operation principle, it is designed for use in a variety of applications which require an accurate hydrogen determination in nitrogen or other non oxygen-containing atmospheres.
Key Features & Benefits
- Measurement up to 100 vol-%
Detects hydrogen in air and nitrogen
Linear output for simplified calibration and reliable readouts
- Unmatched environmental robustness
Operates in 0% to 100% relative humidity without baseline drift
Temperature range -40°C to +85°C
- Fast, reversible reaction times
Enables rapid detection and clear recovery
Ideal for critical applications where reaction time matters
- Engineered for longevity
No regular maintenance required
Designed for years stable, continuious operation
Key Features & Benefits
Accurate measurement up to 100 vol-%
- Detects hydrogen in air and nitrogen
- Linear output for simplified calibration and reliable readouts
Unmatched environmental robustness
- Operates in 0% to 100% relative humidity without baseline drift
- Temperature range -40°C to +85°C
Fast, reversible reaction times
- Enables rapid detection and clear recovery
- Ideal for critical applications where reaction time matters
Engineered for longevity
- No regular maintenance required
- Designed for years stable, continuious operation
Pin Configuration
Pin Configuration

Pin 9*
+6 V Supply voltage of internal electronics. *
Pin 7
Ground of the heaters, Wheatstone bridge and I2C bus.*
Pin 3
Clock line of I2C bus.*
Pin 8
Data line of I2C bus.*
*Required connections (bold)

Pin 9*
+6 V Supply voltage of internal electronics. *
Pin 7
Ground of the heaters, Wheatstone bridge and I2C bus.*
Pin 3
Clock line of I2C bus.*
Pin 8
Data line of I2C bus.*
*Required connections (bold)
Evaluation Kit
For full accecibility for your sensor
Evaluation kit
For full accecibility for your sensor
Need a custom solution?
We offer customization options on existing sensors as well as custom
development of completely new sensors or features.
Tell us about your needs and we'll get back to you!
Need a custom solution?
We offer customization options on existing sensors as well as custom
development of completely new sensors or features.
Tell us about your needs and we'll get back to you!

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