• Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor
  • Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor
  • Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor
  • Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor
Product Overview The Honeywell 2119B1004 S3KXSH2SS is an H2S gas sensor used for detecting hydrogen sulfide in industrial gas monitoring applications. It provides the sensing element required by compati……
Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor
  • Honeywell
  • 2119B1004 S3KXSH2SS
  • H2S Gas Sensor
  • USA
  • 65 × 35 × 50 mm
  • 0.15 kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 6

Our advantage

Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

Honeywell 2119B1004 S3KXSH2SS H2S Gas Sensor

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail [email protected]
Mobile +8615980777398
Whatsapp +8615980777398
WeChat 15980777398

Product Overview

The Honeywell 2119B1004 S3KXSH2SS is an H2S gas sensor used for detecting hydrogen sulfide in industrial gas monitoring applications. It provides the sensing element required by compatible gas detection equipment to identify the presence and concentration of H2S.

Hydrogen sulfide can occur in environments such as oil and gas processing, wastewater treatment, chemical production, and other industrial processes. Because H2S monitoring is often part of an overall personnel and equipment protection strategy, the sensor is typically installed as one component of a fixed or portable gas detection system.

The sensor converts the chemical interaction with hydrogen sulfide into an electrical response that can be interpreted by compatible monitoring electronics. The receiving instrument can then use the measurement for concentration display, alarm generation, ventilation control, or other configured safety functions.

For maintenance work, the sensor should be considered together with the gas detector, sensor interface, wiring, calibration arrangement, and alarm system. Correct sensor compatibility and calibration are essential for maintaining meaningful H2S measurements.


Technical Specifications

Parameter Specification
Manufacturer Honeywell
Model 2119B1004
Product Code S3KXSH2SS
Product Type H2S Gas Sensor
Target Gas Hydrogen Sulfide (H2S)
Application Industrial H2S gas detection
Measurement Function Detection and measurement of hydrogen sulfide concentration
System Role Gas sensing element
Installation Compatible Honeywell gas detection equipment
Dimensions 65 × 35 × 50 mm
Weight 0.15 kg

Product Features

  • Designed for hydrogen sulfide detection applications.
  • Provides the gas-sensitive element for compatible Honeywell detection equipment.
  • Suitable for industrial environments where H2S monitoring is required.
  • Supports continuous or periodic gas concentration measurement depending on the host instrument.
  • Can be integrated into gas detection and alarm systems.
  • Useful for sensor replacement and maintenance of compatible H2S detection equipment.
  • Requires appropriate calibration and system verification for dependable gas measurement.

Working Principle

The 2119B1004 uses a gas-sensitive sensing element to respond to hydrogen sulfide present in the surrounding atmosphere. When H2S reaches the sensing element, a chemical reaction produces an electrical response related to the concentration of the target gas.

The sensor output is interpreted by the compatible Honeywell gas detection instrument. The instrument can then compare the measured concentration with configured alarm levels and provide the required indication or alarm response.

Ambient Gas → H2S Sensing Element → Electrical Response → Gas Detection Instrument → Display / Alarm / Safety System

The sensor itself is only one part of the measurement chain. The host instrument, calibration procedure, environmental conditions, and sensor condition all affect the quality of the final gas measurement.


Role in an Industrial H2S Gas Detection and Safety Architecture

The 2119B1004 occupies the sensing layer of an H2S gas detection architecture. It detects hydrogen sulfide at the measurement point and provides the sensing response required by the connected gas detection instrument.

System Element Function
2119B1004 Detects hydrogen sulfide and provides the sensing response
Gas Detection Instrument Converts and interprets the sensor signal
Alarm System Generates configured warnings or alarm actions
PLC / DCS Can receive gas monitoring information for plant-level processing
Ventilation / Safety Equipment May respond to configured gas detection conditions
Monitored Area Provides the atmosphere being checked for H2S

Industrial Applications

Application Typical Use
Oil and Gas Facilities Monitoring areas where hydrogen sulfide may be released
Refineries H2S detection around processing and equipment areas
Wastewater Treatment Monitoring locations where hydrogen sulfide can accumulate
Chemical Processing Detecting H2S in process and equipment areas
Gas Processing Supporting continuous hydrogen sulfide monitoring
Industrial Safety Systems Providing gas concentration information for configured alarm functions

Installation and Maintenance

  1. Verify that the 2119B1004 sensor is compatible with the intended Honeywell gas detection instrument.
  2. Confirm the target gas and measurement application before installing the sensor.
  3. Follow the site safety procedure before working on gas detection equipment.
  4. Install the sensor in the correct sensing position according to the host instrument requirements.
  5. Ensure that the sensing area is not obstructed by dirt, protective materials, or unsuitable installation hardware.
  6. Check the sensor connection and associated wiring before placing the detector into service.
  7. Perform the required calibration or verification procedure after installation or sensor replacement.
  8. Confirm that the gas detector recognizes the installed sensor and provides a normal operating indication.
  9. Keep the sensor away from conditions that may cause contamination or physical damage beyond its specified operating environment.
  10. Perform periodic bump testing or calibration according to the applicable site maintenance program.
  11. If the detector produces an abnormal reading, check sensor condition, calibration status, wiring, and the host instrument before replacing other system components.
  12. Replace the sensor when it no longer responds correctly to calibration or when its service condition requires replacement.

Related Components

Component Function
Honeywell Gas Detection Instrument Provides sensor interface, measurement processing, and user indication
H2S Gas Sensor Detects hydrogen sulfide at the monitoring point
Sensor Wiring Transfers the sensor response to the detection instrument
Calibration Gas Used to verify and calibrate the gas detection channel
Alarm System Provides visual, audible, or control-system response to configured gas levels
PLC / DCS Interface Transfers gas monitoring information to the plant control system

Recommended Related Models

Model Product Type Typical Application
Honeywell 2119B1004 H2S Gas Sensor Hydrogen sulfide detection
Honeywell S3KXSH2SS H2S Gas Sensor H2S sensing applications
Honeywell Gas Detection Controller Gas Detection Controller Centralized gas monitoring
Honeywell Fixed Gas Detector Fixed Gas Detection Equipment Continuous industrial gas monitoring

Key Advantages

  • Provides dedicated sensing for hydrogen sulfide detection.
  • Suitable for industrial gas monitoring and safety applications.
  • Integrates with compatible Honeywell gas detection equipment.
  • Supports sensor replacement and maintenance of H2S detection channels.
  • Can provide the measurement input required for alarm and plant safety functions.
  • Compact sensor format suited to compatible detector installations.

Technical FAQs

What gas does the Honeywell 2119B1004 detect?

The 2119B1004 is an H2S gas sensor intended to detect hydrogen sulfide in the surrounding atmosphere.

Is the 2119B1004 a complete gas detector?

No. It is the sensing element within a compatible gas detection system. The host instrument provides the sensor interface, signal processing, display, alarm functions, and other system-level features.

Does the sensor require calibration?

Yes. Gas sensors should be calibrated or verified according to the requirements of the compatible detection instrument and the applicable site maintenance procedure. Calibration confirms that the complete measurement channel responds correctly to the target gas.

What should be checked if the H2S reading is abnormal?

Check the sensor condition, calibration status, sensor connection, wiring, and host gas detection instrument. Environmental contamination and an expired or degraded sensing element should also be considered during troubleshooting.



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