HoneywellSTG700 Series Pressure Transmitters

Honeywell STD820 Flame Detector

Technical specs, application notes, replacement checks, and related model references.

Product Overview

The Honeywell STD820 SmartLine pressure transmitter is an advanced industrial measuring device engineered for the highly accurate monitoring of gas, steam, and liquid pressures. It incorporates cutting-edge piezoresistive sensor technology and digital temperature compensation to deliver precise pressure feedback to boiler control systems and PLCs. Crucial for optimizing the combustion efficiency of large industrial boilers and process plants, the STD820 ensures tight control over fuel supply and draft pressures. The SmartLine series is globally recognized for its industry-leading accuracy, modular design, and robust diagnostics, reducing maintenance costs and enhancing overall plant safety.

Technical Specifications

Verification Required

Verification Status

Core model identity has been collected. Electrical parameters, terminal layout, replacement compatibility, and safety timing should be verified against official manufacturer documentation before field use.

Selection Notes & Data Verification

The STD820 page is structured for engineering comparison: confirm the product type, firing range, fuel type, operating mode, electrical supply, and safety approvals against the manufacturer datasheet before specifying the burner or component.

Burner.wiki normalizes product data for discovery and comparison, but final selection should account for combustion chamber backpressure, local emission limits, control sequence requirements, and site commissioning conditions.

Typical Applications

Industrial Boilers
Process Heating
Furnaces & Kilns
Thermal Oxidizers

Related Models

Related Knowledge

FAQ

What is Honeywell STD820 used for?

Honeywell STD820 is referenced as a flame detector for industrial combustion systems. Verify the exact application against the burner documentation, control cabinet wiring, and manufacturer datasheet.

Can STD820 replace another model?

Replacement depends on voltage, safety timing, wiring terminals, flame supervision method, mechanical fit, and local combustion safety requirements.

What should be checked before installing STD820?

Check supply voltage, burner sequence, fuel type, pressure or capacity range, detector compatibility, safety loop configuration, and the equipment nameplate before commissioning.

Documentation Note

Technical documentation should be verified against the manufacturer datasheet, burner cabinet wiring diagram, and equipment nameplate before installation or replacement.

Before replacement
  • Check supply voltage and frequency.
  • Confirm terminal layout and safety interlocks.
  • Verify flame detector or actuator compatibility.

Need Engineering Help?

Our experts can help you verify if STD820 fits your combustion chamber and backpressure requirements.

Contact Engineering