MIDAS-E-NH3 Honeywell Gas Sensor Cartridge

Product Overview

The MIDAS-E-NH3 by Honeywell is an advanced electrochemical sensor cartridge engineered for high-sensitivity Ammonia (NH3) detection. Built for the Midas gas detector series, this smart cartridge utilizes TempraSure™ temperature compensation and Reflex® health-check technology to ensure optimal safety in volatile industrial environments.

Performance Specifications

• Part Number: MIDAS-E-NH3
• Sensing Technology: 3-electrode electrochemical cell
• Measurement Range: 0 to 100 ppm NH3
• Response Time (t62.5): ≤ 10 seconds
• Resolution: 0.5 ppm
• Operational Temperature: 0°C to +40°C
• Humidity Range: 10% to 90% RH (non-condensing)
• Storage Conditions: +5°C to +25°C

Diagnostic & Predictive Capabilities

The MIDAS-E-NH3 cartridge integrates with the Honeywell Midas system to provide comprehensive gas diagnostics. It performs continuous internal self-checks to identify drift or sensor degradation. With onboard flash memory, it stores the 'e-Calibration' certificate, allowing for "plug-and-play" replacement without manual field recalibration. This significantly reduces downtime during scheduled maintenance cycles.

Global PLC Spare HUB Insight

The MIDAS-E-NH3 stands out for its reliability in challenging ambient conditions. Global PLC Spare HUB recommends this unit for critical HVAC monitoring, industrial refrigeration plants, and semiconductor manufacturing cleanrooms. Its ability to provide rapid response while maintaining stability under pressure fluctuations makes it an essential component for safety-critical gas detection networks.

Logistics & Service Terms

• Shipping: Expedited global transit via FedEx, UPS, or DHL.
• Dispatch: Orders are processed and shipped within 24-48 hours.
• Warranty: Industry-leading 12-month quality assurance guarantee.

Expert FAQ

Q: Does the MIDAS-E-NH3 need to be calibrated after installation?
A: No, the smart cartridge features an onboard e-Calibration certificate; simply insert it into the detector, and the Midas system will recognize the calibration data automatically.

Q: How does the Reflex® Sensor Health Check improve safety?
A: It periodically pulses the sensor to verify its ability to detect gas, ensuring the device is functional rather than relying solely on passive monitoring.

Q: Can I use this sensor in areas with high radio frequency interference?
A: Yes, the Honeywell Midas series is CE marked specifically for total immunity to RFI, making it suitable for industrial zones near high-power electrical equipment.

Q: Selection Guide: When is a pyrolyzer module required?
A: If you are monitoring for gases that are difficult to detect via standard electrochemical methods, the optional Midas pyrolyzer module can be connected to the system for enhanced versatility.

Q: Maintenance Tip: How do I handle potential sensor drift?
A: While long-term drift is minimal (< 3% per 6 months), we recommend performing a bump test using ammonia gas at least every 6 months to ensure the sensing membrane remains fully reactive.

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