RKI Instruments M2A-XL Rig Monitor for Hydrogen Sulfide

Introduction to the M2A-XL Rig Monitor

The RKI Instruments M2A-XL Rig Monitor is a robust, fixed-mount detector designed for continuous monitoring of Hydrogen Sulfide (H2S) gas. This operator's manual provides comprehensive guidance for its use, installation, and maintenance.

Key features include an OLED display for real-time gas readings, a 4-20 mA signal output for integration with monitoring systems, and an RS-485 Modbus output for network communication. The device is equipped with relays for alarm control and can be calibrated non-intrusively using a magnetic wand.

Key Features and Specifications

• Target Gas: Hydrogen Sulfide (H2S)
• Detection Range: 0-100 ppm, 1 ppm increments
• Alarm Settings: 10 ppm / 50 ppm (configurable)
• Environmental Rating: NEMA 4X
• Sampling Method: Diffusion
• Input Power: 10-30 VDC (typically 12 VDC)
• Signal Output: 4-20 mA, RS-485 Modbus
• Controls: Push button switches and magnetic switches for calibration
• Weight: 14 lbs.
• Accuracy: ±5% of reading or ±2 ppm H2S (whichever is greater)

Important Safety Information

WARNING: Users must read and understand this manual before operating the instrument. Improper use can lead to serious injury or death. Regular calibration and maintenance are essential for accurate readings and safe operation.

The manual details conventions for notes, cautions, and warnings to ensure user safety and proper equipment handling.

Product Warranty

RKI Instruments, Inc. warrants the M2A-XL Rig Monitor against defects in materials, workmanship, and performance for one year from the date of shipment. This warranty covers repair or replacement of defective parts free of charge. Certain components subject to normal wear and tear, such as absorbent cartridges, fuses, and batteries, are excluded from this warranty. The warranty is void if the product is subjected to abuse, alteration, or improper repair procedures.

For detailed warranty terms and conditions, please refer to the full product warranty section within this manual.

Further Information

For more details on the M2A-XL Rig Monitor, including installation, operation, and troubleshooting, please consult the complete operator's manual available on the RKI Instruments website.