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Honeywell Analytics MIDAS Sensor Kit includes Transmitter, Sensor (Sulfur Dioxide (SO2) - (0.7-8 ppm)) - MIDAS-K-SO2

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Honeywell Analytics
Honeywell Analytics MIDAS Sensor Kit includes Transmitter, Sensor (Sulfur Dioxide (SO2) - (0.7-8 ppm)) - MIDAS-K-SO2


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Honeywell Analytics MIDAS Sensor Kit includes Transmitter, Sensor (Sulfur Dioxide (SO2) - (0.7-8 ppm)) - MIDAS-K-SO2

Honeywell Analytics MIDAS Sensor Kit includes Transmitter, Sensor (Sulfur Dioxide (SO2) - (0.7-8 ppm)) - MIDAS-K-SO2



MIDAS-K-SO2 MIDAS Sensor Kit includes Transmitter, Sensor (Sulfur Dioxide (SO2) - (0.7-8 ppm)) by Honeywell Analytics

Bringing new visibility, reliability and ease of use to gas detection in semiconductor processing and industrial manufacturing

Choose the MIDAS Gas Detector to detect more than 35 gases - easily, quickly and error-free. All with extended sensor calibration periods, patented diagnostics and lower cost of ownership.

The MIDAS Gas Detector uses reliable sensor technology to detect many key toxic, ambient and flammable gases in a plant. The device monitors points up to 100 feet (30 meters) away while using patented technology to regulate flow rates and ensure error-free gas detection. Thanks to Honeywell's use of advanced robotics, the MIDAS Gas Detector offers unbeatable quality and reliability:

  • Improved visibility and ease of use. The MIDAS Gas Detector is equipped with bright LED lights and an intuitive, interactive interface that provides instant alerts to gas readings or alarm levels. The interface also includes passwordprotected menus for configuration, test and calibration.
  • Easy installation. Compact in size with an easy-to-handle metal chassis, the MIDAS Gas Detector is simple to install. Thatís especially important in crowded, complex process environments where space is at a premium.
  • A complete solution. The MIDAS Gas Detector is complemented by our innovative Chemcassette® technology, which detects ultrasensitive toxic gases at low parts-per-billion (ppb) levels. And we offer the support of a worldwide network of service engineers who operate on a 24/7 basis.
  • Numerous applications. With feature-rich capabilities that are easy to use, the MIDAS Gas Detector is suitable for many industry applications, including semiconductor processing, light industrial manufacturing, university laboratories, aerospace, wastewater and more.


  • Over 35 gases available with extended 2 year warranty
  • Smart sensor cartridge with on board 'e-calibration' certificate
  • 3 built in relays (Form C) for Alarm 1, 2 and Fault
  • Power over Ethernet (PoE) communication
  • Keypad interface and remote web browser interface
  • Optional MIDAS Pyrolyzer module that connects to any MIDAS Gas Detector
  • Password protected menu levels to preserve system integrity
  • Bright LEDs and intuitive icon driven, large multicolor backlit LCD display
  • Factory-calibrated sensors to reduce need for frequent gas testing
  • Isolated 0-22 mA analog output with fault and event reporting
  • Modbus/TCP Ethernet for easy connectivity to all control and alarm systems ports for control connectivity and service interaction
  • Robust extractive pump system (2 year lifetime) sampling up to 100 feet
  • CE marked for total immunity to Radio Frequency Interference
  • Reflex® sensor health check for improved safety
  • TempraSureTM temperature compensation technology as appropriate
  • Event logging to review sensor history

Plug-and-play gas detection

With flexible features and options, the MIDAS Gas Detector works right out of the box and configures easily to meet your needs. Each plug-and-play sensor cartridge is pre-calibrated, so it's ready when you are. That means longer sensor life, quick and easy replacement, and no operator error due to incorrect or depleted sensors.

The standard power supply and communications capabilities include three onboard relays, 0-22 mA analog output and Modbus/TCP Ethernet digital outputs. Plus, the MIDAS Gas Detector includes the innovative Power over Ethernet (PoE) protocol - a single Ethernet connection for all power, control and communication requirements. Thanks to the MIDAS architecture, cost-effective integration with PLC and Fieldbus systems is greatly simplified.

MIDAS® Pyrolyzer

Offered as an option, the MIDAS Pyrolyzer allows for the detection of NF3 and other CxFy gases. Cost of ownership is low, as the Pyrolyzer has a replaceable heater assembly with a lifespan of greater than two years. Even more, thanks to our new proprietary catalyst to improve efficiency in gas conversion, the Pyrolyzer delivers automatic flow control, temperature control, and fast and accurate performance. Additionally, the Pyrolyzer can run from a MIDAS Gas Detector thatís powered by either PoE or 24 VDC.

Transmitter Dimension
Size (unit with Sensor) 5.91 (H) x 2.56 (W) x 6.02 (D) in (150 x 65 x 153 mm)
Weight (unit with Sensor) 1.76 lb (0.8 kg)
NF3 Pyrolyzer Dimension
Size (unit with Sensor) 2.75 (H) x 2.48 (W) x 3.35 (D) in (70 x 63 x 85 mm)
Weight (unit with Sensor) 0.9 lb (0.41 kg)
High-Temperature PFC Pyrolyzer Dimension
Size (unit with Sensor) 3.9 (H) x 4.0 (W) x 5.5 (D) in (100 x 101 x 140 mm)
Weight (unit with Sensor) 3 lb (1.36 kg)
OP3 Pyrolyzer Dimension
Size (unit with Sensor) 5.2 (H) x 2.4 (W) x 3.9 (D) in (132 x 60 x 98 mm)
NP1 Pyrolyzer Dimension
Size (unit with Sensor) 5.02 (H) x 2.56 (W) x 5.29 (D) in (128 x 65 x 134 mm)
Weight (unit with Sensor) 1.8 lb (0.81 kg)
Power Requirements
Operating Voltage 24VDC, -15 to +10%
Operating Voltage with Power over Ethernet (PoE) 48 VDC via PoE
Power Consumption
Transmitter Unit <5 W
With Pyrolyzer (Option) <12.95 W
With Lonworks® <8 W
With Lonworks® and Pyrolyze <15.95 W
Visual Alarm, Power and Fault LEDs, LCD display with all gas readings and events
Relays 3 relays for Alarm1, Alarm 2 and Fault rated 30VDC, 1 A or 125VAC, 0.5 A; configurable NO or NC, latched or unlatched
Analog 3 wire sink, 3 wire source or 4 wire fully isolated, 0 to 21mA
Digital Communications Modbus®, TCP Ethernet, Power over Ethernet (PoE), Lonworks®
Service Port RS232C, PPP protocol
Certification and Specification CE marked Meets EN 50270:2006 (Type2) and EN 61000-6-4:2007 ETL approved UL 61010-1 Ed:3 IEEE 802.3af-2003
Performance Refer to Individual Cartridge Datasheets
Transport System
Flow Rate 500 mL/min
Transport Time 2 to 30 seconds maximum
Sample Line Tubing 0.125 in ID x 0.25 in OD
Tubing Length Up to 100 ft (30 m) with FEP tubing
Exhaust Line Tubing 0.25 in ID x 0.375 in OD
Exhaust Length Up to 100 ft (30m)
Ambient Point In line air filter required
Operating Temperature
Unit with Sensor 32° to 104°F (0° to 40°C)
Unit with Sensor and Pyrolyzer 32° to 86°F (0° to 30°C)
Wiring Requirement
4-20mA 2 wire, 14 AWG maximum
Digital CAT5 Cable or equivalent; RJ45 connector
Gas Concentration Display and Interface
Instrument 4-digit alphanumeric display with separate units, flow rate bar graph and other icon driven indicators. 4 button interface keypad
Remote Option for PC / PDA Internet browser access via Ethernet
Transmitter Unit 1 year
Sensor cartridge 1 year standard, 2 years extended warranty
Expected Pyrolyzer Life MIDAS-T-00P: 1 year
MIDAS-T-NP1: 2 years
Installation Details
Mounting Wall mounted using pre-drilled holes on chassis. Options for DIN rail or vertical bracket mounting.
Remote Cover: Painted steel Chassis/Mounting
Bracket: Zinc plated steel

Questions & Answers