Methameasure User Guide ★

A: Most likely water condensation. Check the condensate trap. Water absorbs IR light, causing false lows.

A reading of 652 on register 40001 equals 65.2% CH₄. methameasure user guide

Do not poll faster than once every 5 seconds. The internal CPU prioritizes gas analysis over comms. Part 7: Cleaning & Maintenance Schedule To prevent sensor failure and maintain warranty validity, adhere strictly to this schedule: A: Most likely water condensation

A: The MethaMeasure does not have a battery. It requires continuous 24V DC. To retain clock settings during a power loss, replace the CR2032 coin cell on the main PCB every 2 years. A reading of 652 on register 40001 equals 65

| Frequency | Task | Tools Required | | :--- | :--- | :--- | | | Check for condensate in the sight glass. Push the drain button. | None | | Weekly | Verify flow meter ball is floating at 0.8–1.2 L/min. Adjust needle valve if needed. | Flathead screwdriver | | Monthly | Remove the internal dust filter (under front cover). Wash with distilled water, air dry. | Hex key (3mm) | | Quarterly | Full zero & span calibration (see Part 5). | Calibration gases | | Annually | Replace the NDIR light source (factory service only). | Return to vendor |

For firmware updates or advanced (Modbus TCP) integration, visit the manufacturer’s support portal using the QR code on the device’s serial number sticker.