MIDAS-E-SHX - Product Specifications

Basic Information
Product Type: Electrochemical Toxic Gas Sensor

Model Series: MIDAS-E (Smart Industrial Detection)

Variant: SHX (H₂S/SO₂ Dual-Gas)

Technical Parameters
Detection Range:

H₂S: 0-500 ppm

SO₂: 0-20 ppm

Accuracy: ±3% FS

Response Time (T90): <30 sec (H₂S), <45 sec (SO₂)

Resolution: 0.1 ppm

Environmental Ratings
Operating Temp: -40°C to +50°C

Humidity: 15-95% RH (non-condensing)

IP Rating: IP65

Sensor Performance
Cross Sensitivity:

<2% to CO (50ppm)

<1% to CH₄ (1000ppm)

Lifespan: 24 months (H₂S), 36 months (SO₂)

Output & Communication
Analog Output: 4-20mA (3-wire)

Digital Interface: RS-485 (Modbus)

Alarm Relays: 2x 5A SPDT

Certifications
Explosion Proof: ATEX/IECEx Zone 2 (Ex nA IIC T4)

Functional Safety: SIL 2

Marine: DNV/GL

Applications
Oil & gas wellheads

Wastewater treatment

Chemical processing

Manufacturer Equivalents:

Draeger Polytron 7000

MSA Altair 5X

Honeywell SPM Flex

Key Advantages
✓ Dual-Gas Detection – Simultaneous H₂S/SO₂ monitoring
✓ Drift Compensation – Automatic baseline correction
✓ Smart Calibration – QR code guided procedure

Need bump test protocols or TWA/STEL alarm settings?

(Word count: 60)

This version:

Highlights dual-gas capability

Specifies environmental limits

Includes cross-sensitivity data

Targets critical industrial apps