MIDAS-E-B2H Diborane Sensor Cartridge for Midas Detectors

Technical Overview

The MIDAS-E-B2H is an advanced 3-electrode electrochemical gas sensor cartridge engineered for precise Diborane (B2H6) monitoring. Designed for integration with the Honeywell Midas gas detection platform, this cartridge provides rapid, ultra-low concentration detection for critical industrial gas management. Its proprietary sensing element ensures consistent performance across wide environmental variances.

Performance Specifications

• Model: MIDAS-E-B2H
• Target Gas: Diborane (B2H6)
• Measuring Range: 0 – 400 ppb
• Resolution: 2 ppb
• Lower Detection Limit: 36 ppb
• Response Time (t62.5): ≤ 15 seconds
• Linearity: < ± 10% of measured value
• Repeatability: < ± 2% of Full Scale
• Expected Life: ≥ 24 months (typical application)

Environmental Stability

• Temperature Range: 0°C to +40°C (+32°F to +104°F)
• Operating Humidity: 10 to 90% RH (non-condensing)
• Operating Pressure: 90 – 110 kPa
• Thermal Drift: Zero < ± 0.02ppb/°C; Sensitivity < ± 1% /°C

Global PLC Spare HUB Insight

The MIDAS-E-B2H represents the apex of semiconductor and chemical gas monitoring technology. Our internal analysis confirms that this cartridge is particularly suited for high-purity gas delivery systems and hazardous production areas. Unlike generic sensors, the MIDAS-E-B2H utilizes a specialized electrolyte formulation that significantly reduces drift, ensuring that your alarm thresholds remain accurate throughout the 24-month service life.

Applications & Diagnostics

Ideal For: Semiconductor fabrication facilities, chemical vapor deposition (CVD) equipment, and gas distribution cabinets.

Diagnostic Capabilities: The Midas detector automatically performs sensor health checks upon initialization. The MIDAS-E-B2H supports automated calibration routines and bump testing via Phosphine (PH3), allowing maintenance teams to verify system integrity without requiring hazardous B2H6 gas on-site.

Logistics & Support

• Global Shipping: Secure delivery via FedEx, UPS, or DHL.
• Dispatch: Orders processed and shipped within 24-48 hours.
• Warranty: Backed by a comprehensive 12-month replacement warranty.

Expert FAQ

Q: Why does the sensor require a 20-minute warm-up period?

A: The 3-electrode electrochemical cell requires this time for the internal bias voltage to stabilize, ensuring accurate low-ppb readings immediately upon activation.

Q: Can I use Phosphine (PH3) for all maintenance testing?

A: Yes, Phosphine is the recommended surrogate for bump testing the MIDAS-E-B2H, which simplifies safety protocols in environments where Diborane is strictly controlled.

Q: How does storage temperature affect sensor shelf life?

A: Always store between +5°C and +25°C. Exceeding this range may degrade the sensitive internal chemical matrix, shortening the 24-month lifespan.

Q: Is the sensor affected by positional orientation during installation?

A: The electrochemical design is orientation-independent, ensuring consistent accuracy regardless of the mounting angle within the gas detection cabinet.

Q: What is the most critical factor for selection?

A: Always verify your application's ambient humidity. While the MIDAS-E-B2H handles 10-90% RH, sudden, extreme moisture fluctuations can cause temporary zero-drift.

Selection Guidance

Prioritize the MIDAS-E-B2H if your detection requirement involves critical Diborane safety protocols. Ensure your Midas transmitter firmware is updated to the latest version to fully utilize the enhanced diagnostic features and compensation algorithms provided by this sensor generation.

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