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Replacement sensor assemblies for RKI fixed gas transmitters, matched to the specific instrument platform and gas type. Electrochemical (CT-7 and ES-23 style), IR, and catalytic sensor elements are available for T3A, AirLink 6940/6940NXP, GD-70D, and general fixed transmitter platforms. The configurations listed here cover the most commonly ordered gas types per platform. Additional gas-specific sensors are available by quote — see our full RKI Instruments Parts & Accessories collection for calibration gas and kits to bump test or calibrate a new sensor.
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🇺🇸 Ship from USA · On Agora since 2026
$527.25