Honeywell 00705-A-1735 High Temperature Combustible Sensor

Description

The 00705-A-1735 is a High Temperature Combustible Sensor designed for detecting hazardous gases in demanding industrial environments. This specialized sensor is engineered to maintain operational integrity in high-heat conditions, providing reliable monitoring of combustible gas concentrations.

This Honeywell sensing device is typically integrated into gas detection control systems to provide continuous protection and safety monitoring. It functions by measuring the combustible atmosphere and delivering a consistent drive current to the control equipment. The 00705-A-1735 is built to withstand extreme thermal conditions, ensuring accurate performance from -25 degC to +150 degC. Its robust construction makes it suitable for installation in Class I, Div 1 environments, supporting safety-critical infrastructure where combustible gases pose a constant threat.

Features

• Designed for high-temperature applications up to +150 degC
• Compatible with standard combustible gas control equipment
• Stable output with a drive current of 200mA +/- 2mA
• Resistant to varied humidity levels, including non-condensing environments
• UL certified for hazardous locations

Applications

• Oil and Gas refineries
• Petrochemical processing plants
• Gas storage and distribution facilities
• Industrial manufacturing sites requiring combustible gas monitoring

Technical Specifications

Installation Guidelines

• Ensure the sensor is installed according to the control system's requirements regarding line resistance.
• Calibration must be performed using the recommended flow rate of 1.5 l/min to ensure accuracy.
• The sensor is suitable for Class I, Div 1, Groups B, C, D hazardous area installations.
• Maintain the ambient temperature within the specified range of -25 degC to +150 degC.
• Follow local electrical codes for hazardous area wiring and grounding to prevent ignition risks.

Compliance and Certifications

• UL Certification: Class I, Div 1, Groups B, C, D (Tamb -25 degC to +150 degC)

FAQ

What is the primary function of the 00705-A-1735?

It is a combustible gas sensor intended for gas detection systems operating in high-temperature environments.

Can this sensor operate in humid environments?

Yes, it is designed for 20% to 90% RH continuous non-condensing operation and up to 100% RH under intermittent, non-condensing conditions.

What is the required calibration flow rate for this unit?

The recommended calibration flow rate is 1.5 l/min +/- 0.1 l/min.

Is this sensor suitable for hazardous locations?

Yes, it is UL certified for Class I, Div 1, Groups B, C, and D environments within the specified temperature range.