SKU: SENS-0862
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Figaro Engineering TGS6812-D00 Hydrogen/Methane/LPG Gas Sensor

₹2,259.00 (Inclusive of all taxes)
Out of Stock

The Figaro Engineering TGS6812-D00 is a catalytic combustion-type gas sensor designed for detecting hydrogen, methane, and LPG (iso-butane) up to 100% LEL. It provides a linear output signal and is engineered for integration into fuel cell monitoring systems, industrial safety detectors, and combustible gas leak alarms.

Features

  • Catalytic combustion sensor for hydrogen, methane, and LPG detection.
  • Linear output signal for simplified interface with monitoring systems.
  • Proprietary internal filter minimizes cross-sensitivity to organic vapors.
  • Durable construction resistant to silicone compounds in harsh environments.
  • Low typical heater power consumption of 525mW for efficient operation.

Out of stock

Description

The TGS6812-D00 utilizes a catalytic bead sensing principle, where combustible gases oxidize on a heated catalyst, causing a change in resistance proportional to gas concentration. This provides a stable, linear voltage output signal ideal for direct connection to analog-to-digital converters (ADCs) in microcontrollers, PLCs, or dedicated gas detection circuitry.

Engineered for long-term reliability, the sensor features a proprietary filter within its cap to significantly reduce interference from common organic vapors, ensuring accurate readings of its target gases. Its robust design offers enhanced durability against silicone-based contaminants, making it suitable for demanding industrial environments such as those surrounding stationary fuel cell installations.

Key Features

  • Catalytic combustion-type sensor for precise detection of combustible gases.
  • Targets Hydrogen (H2), Methane (CH4), and LPG (Iso-butane).
  • Linear analog output simplifies calibration and system integration.
  • Internal filter material reduces cross-sensitivity to alcohol and other organic vapors.
  • Durable against silicone poisoning, extending operational life in harsh conditions.
  • Low power heater circuit (525mW typical) for energy-efficient designs.
  • Quick response time to gas concentration changes.
  • Designed for integration into fixed gas leak detection systems.

Applications

  • Hydrogen leak detectors for stationary and automotive fuel cell systems.
  • Combustible gas monitoring in residential, commercial, and industrial safety alarms.
  • Methane detection for natural gas pipeline and storage facility monitoring.
  • LPG (propane/butane) leak detection for forklifts, heaters, and cooking appliances.
  • Process monitoring in chemical plants and hydrogen generation facilities.

Technical Specifications

Manufacturer Part NumberTGS6812-D00
Sensor TypeCatalytic Combustion
Target GasesHydrogen (H2), Methane (CH4), LPG (Iso-butane)
Detection RangeUp to 100% LEL (Lower Explosive Limit)
Heater Current175 mA (typical)
Heater Power Consumption525 mW (typical)
Zero Current (Offset)-15 to +55 mV
Test Conditions20°C ±2°C, 65% RH ±5%
Item TypeGas Sensor

Frequently Asked Questions

What gases does the TGS6812-D00 sensor detect?

The TGS6812-D00 is specifically calibrated to detect combustible gases including Hydrogen (H2), Methane (CH4), and Liquefied Petroleum Gas (LPG), primarily Iso-butane. It measures concentrations up to 100% of the Lower Explosive Limit (LEL) for these gases.

What is the typical power requirement for the sensor's heater?

The sensor's integrated heater typically draws 175 mA of current. Under standard operating conditions, this results in a heater power consumption of approximately 525 mW. This power is required to maintain the catalytic bead at its optimal operating temperature for gas detection.

How do I interface with the TGS6812-D00 sensor's output?

The sensor provides a linear analog voltage output signal. This output can be connected directly to an analog input pin on a microcontroller (e.g., Arduino, Raspberry Pi) or PLC after appropriate signal conditioning. The sensor itself requires a separate, stable power supply for its heater circuit as specified in the datasheet.

Is this sensor suitable for environments with silicone vapors?

Yes, the TGS6812-D00 is specifically noted for its durability against silicone compounds, a common contaminant that can poison and degrade other catalytic sensors. This makes it a robust choice for industrial or manufacturing environments where silicone-based lubricants or sealants are present.

Package Includes

  • 1 x Figaro Engineering TGS6812-D00 Hydrogen/Methane/LPG Sensor

Additional Information

Weight 0.01 kg
Dimensions 9 × 7 × 2 cm