MIDAS-A-007 Honeywell Midas Gas Detector Accessory In-Stock Express

Product Overview

• The Honeywell Midas MIDAS-A-007 serves as an essential extractive sampling line component engineered for the Midas gas detection platform.
• This device supports continuous sample transport protocols from remote observation areas to the transmitter core.
• It regulates internal pneumatics to ensure uncompromised flow monitoring across harsh industrial detection zones.
• By stabilizing the sample delivery speed, it protects optical and electrochemical cartridges from unexpected localized pressure shocks.
• The design enhances industrial life-safety architectures with highly uniform sampling reliability.

Technical Specifications

• Brand: Honeywell
• Model Number: MIDAS-A-007
• Series: Midas Gas Detection System
• Item Type: Extractive Sample Transport Assembly / Accessory
• Nominal Operating Supply: 24 VDC (-15% to +10% tolerance boundary)
• PoE Network Input: 48 VDC Power over Ethernet (IEEE 802.3af compliant infrastructure)
• Base Power draw: Toxic gas configurations require less than 4W power
• Peak Power Draw: Pyrolyzer-equipped configurations consume less than 12.95W maximum
• Regulated Transport Velocity: Nominally 500 mL per minute
• Sample Tube Dimensions: 3.18mm ID x 6.35mm OD (0.125 x 0.25 inches)
• Exhaust Tube Dimensions: 4.76mm ID x 6.35mm OD (0.188 x 0.25 inches)
• Maximum Line Run: Up to 30 meters (100 feet) using certified FEP tubing
• Ambient Thermal Envelope: 0 to 40°C (32 to 104°F); reduced to 30°C max for pyrolyzer setups
• Environmental Rating: Classified for Indoor Pollution Degree 2 installations

Functional Area Analysis (MECE Matrix)

• Continuous Draw: Maintains a stable 500 mL/min extraction rate to eliminate transport lag over long sample runs.
• Line Extension: Drives sample streams through FEP lines up to 100 feet without suffering significant transport pressure drops.
• Exhaust Handling: Directs sampled gases safely away through a wider 4.76mm ID exhaust pathway to prevent backpressure buildup.
• Dual Power Pathing: Accepts traditional 24 VDC hardwired power lines or single-cable 48 VDC PoE network deployments.
• Pyrolyzer Support: Accommodates high-temperature gas cracking power requirements up to 12.95W for specialized gas families.
• Circuit Isolation: Built to Overvoltage Category 1 standards to safeguard downstream analyzer electronics from spikes.
• Visual Telemetry: Interfaces directly with the 2.4-inch 16.7M color IPS panel for real-time monitoring.
• Relay Matrix: Bridges on-site hardware via three dry-contact relays rated up to 1.0A at 30VDC.
• Network Integration: Routes telemetry packets via Modbus/TCP protocols over standard Ethernet physical layers.

Advanced Subsystem Diagnostic Capabilities

• Flow Obstruction Monitoring: Detects inline kink or blockage events by tracking subtle transport pump motor deviations.
• Thermal Envelope Supervision: Monitors ambient shifts exceeding 40°C (or 30°C in pyrolyzer operations) to protect sensor calibration stability.
• Network Loss Interlocking: Drops the fault relay contact immediately if Modbus/TCP keep-alive packets experience communication timeouts.

Installation & Mechanical Boundary Conditions

• Tubing Specification: Always deploy high-purity Fluorinated Ethylene Propylene (FEP) tubing to prevent target gas absorption along the sample path.
• Inline Filtration: Mount a particulate filter at the sample point to stop moisture and dust from entering the MIDAS-A-007 pneumatic core.
• Physical Footprint: Ensure your enclosure depth accommodates the total length of 148mm when the sensor cartridge is fully seated.

System & Device Suitability

• Midas Extractive Transmitters: Standard integration with baseline toxic, flammable, and oxygen gas detection loops.
• Pyrolyzer Units: High-temperature sampling networks monitoring NF3 or alternative fluorinated gases.
• Semiconductor Cleanrooms: Remote multipoint atmospheric monitoring manifolds requiring fast sample refreshing.

Procurement Selection & Engineering Guide

• Gas Compatibility Check: Match your tubing material directly to the chemical properties of your target gas to prevent inaccurate readings.
• Power Budget Evaluation: When utilizing Power over Ethernet switches, verify that the port power budget can supply the 12.95W required for pyrolyzer modules.
• Distance Constraints: If your extraction distance exceeds 100 feet, you must specify an external booster pump assembly.

Logistics, Packaging & Warranty Framework

• Global Express Despatch: Fast, trackable global transport via FedEx, UPS, and DHL networks.
• Dispatch Window: Available stock units are processed and shipped within 24 to 48 hours of order confirmation.
• Transit Preservation: Shipped in a custom-molded anti-static box designed to withstand standard industrial shipping transit shocks.
• Contractual Warranty: Includes a 12-month commercial warranty covering component failure and manufacturing anomalies from the delivery date.

Global PLC Spare HUB's Insight

• The Honeywell Midas MIDAS-A-007 represents a highly precise pneumatic transport design.
• Field data indicates that incorrect sample line sizing often leads to pump failures or false flow alarms.
• For best results, adhere strictly to the 3.18mm internal diameter specification for sample lines and use the wider 4.76mm tube for exhaust runs.
• When deploying these units in high-humidity cleanroom environments, installing a high-quality inline hydrophobic filter is critical to protect sensitive components.

Frequently Asked Questions

Why is the maximum operating temperature reduced to 30°C when running a pyrolyzer module?

The pyrolyzer module generates significant internal heat while cracking gases, which requires a lower ambient threshold to prevent thermal damage.

Can standard polyurethane or PVC tubing be utilized for the extraction line?

No, standard tubing can absorb reactive toxic gases or leach plasticizers, which reduces measurement accuracy and can degrade your sensors.

What is the purpose of the different internal diameters specified for the sample and exhaust lines?

The larger exhaust internal diameter reduces backpressure on the pump, which maintains a stable 500 mL/min flow rate across the system.

How does the module react to a complete blockage or restriction in the remote sample line?

The system detects the sudden drop in flow rate, changes the TFT display color, and trips the dedicated fault relay contact.

Is an external power supply required when integrating the module into an active PoE network?

No, the module draws all required operating power directly through the standard RJ45 Ethernet connection when connected to a compliant PoE switch.

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