Siemens Maxum II Heater Cartridge A5E01673207

Overview: Precise Thermal Control for Combustion Detectors

The Siemens Maxum II Heater Cartridge, part number A5E01673207, is a 1-inch, 120V, 80W cartridge heater fitted with 450°C-rated lead wire, used to maintain the elevated, tightly controlled operating temperature required inside the Flame Ionization Detector (FID) and Flame Photometric Detector (FPD) modules of the Siemens Maxum Edition II process gas chromatograph. Stable detector body temperature is essential to repeatable flame ionization and flame photometric measurement, making this heater cartridge a core thermal-management component rather than a simple accessory.

As an independent specialized supplier of Siemens Maxum Edition II analyzer spare parts, Seven Star LLC sources and supplies the heater cartridge A5E01673207 to refineries, gas plants, and petrochemical complexes across Oman and the wider GCC. Because detector heater failures directly interrupt analytical measurement, Seven Star LLC helps maintenance teams keep the correct genuine heater cartridge in stock to minimize analyzer downtime.

Working Principle: Resistive Cartridge Heating

The A5E01673207 cartridge heater operates on straightforward resistive heating principles: a coiled resistance element inside a compact 1-inch cylindrical sheath converts electrical energy from the 120V supply directly into heat, which conducts outward through the sheath wall into the surrounding detector body metal. Because the heating element is fully enclosed within a sealed metal sheath, the cartridge can be inserted directly into a bored mounting hole in the FID or FPD detector block, providing efficient, localized heat transfer exactly where the detector’s flame chamber and sensing electronics require it.

The cartridge’s 450°C-rated lead wire allows it to operate safely in the immediate vicinity of the detector’s hot zone without insulation breakdown, while its 80W power rating is matched to the thermal mass and heat-loss characteristics of the FID/FPD detector body to achieve and hold the correct operating temperature under closed-loop RTD-based temperature control from the Detector Personality Module (DPM) and PECM. Stable, accurate heater performance directly supports flame stability and measurement repeatability in both flame-based detector types.

Engineering Design of the Heater Cartridge

The heater cartridge is built as a compact, sealed 1-inch cylindrical unit sized for direct insertion into the standard FID/FPD detector body mounting bore, requiring no modification to the detector housing for like-for-like replacement. Its 450°C-rated lead wire is selected specifically to withstand the elevated ambient temperatures present near an operating flame detector, where standard insulation would degrade prematurely.

Because detector temperature stability is directly tied to measurement accuracy, the cartridge is manufactured to consistent resistance and power tolerances so that replacement units behave predictably under the analyzer’s existing RTD feedback and heater-control loop, without requiring recalibration of the temperature control parameters.

Key Features

The Heater Cartridge A5E01673207 delivers the precise, reliable thermal performance that flame-based detectors depend on. Key characteristics include:

• Compact 1-inch cartridge form factor for direct insertion into the FID/FPD detector body.
• 120V, 80W resistive heating element matched to detector thermal mass requirements.
• 450°C-rated lead wire suited to the elevated ambient temperatures near an operating flame detector.
• Compatible with both FID and FPD detector modules on the Maxum Edition II.
• Genuine Siemens Maxum II part number for correct fit and predictable performance under existing RTD control loops.

Industrial Applications

The heater cartridge is a routine wear-and-maintenance item on any Maxum Edition II analyzer fitted with an FID or FPD detector, including refinery hydrocarbon monitoring, natural gas quality analysis, and sulfur-sensitive petrochemical process streams. It is typically replaced when heater failure alarms appear on the analyzer’s diagnostics, or proactively during scheduled detector maintenance to avoid unplanned measurement interruption.

Seven Star LLC supports refinery instrumentation teams, gas processing operators, and petrochemical maintenance departments across Oman, Muscat, Sohar, and the broader GCC region with sourcing of Maxum Edition II detector heater hardware, helping analyzer houses maintain continuous, stable flame detector operation.

Technical Specifications

The table below summarizes the core specifications of the Siemens Maxum II Heater Cartridge as supplied by Seven Star LLC.

Why Choose Seven Star LLC for Maxum II Detector Heater Sourcing

A generic 120V cartridge heater that fits the mounting bore is not automatically a safe substitute for the genuine A5E01673207 – wattage and resistance tolerance both need to match the PECM’s existing RTD feedback loop, or the detector’s temperature control can overshoot or hunt in ways that quietly degrade FID/FPD baseline stability long before an outright heater failure alarm appears. Seven Star LLC verifies the exact part number and electrical rating against the customer’s specific detector configuration before shipping, rather than assuming a visually similar aftermarket cartridge will behave identically under closed-loop control. We also help refinery and gas plant instrumentation teams plan spare heater stock proactively, since scheduling a replacement during planned detector maintenance avoids the unplanned flame-detector downtime a mid-run heater failure would otherwise cause, and we coordinate delivery across Muscat, Sohar, and the broader GCC around scheduled analyzer service windows.

Request a Quote for Siemens Maxum II Heater Cartridge A5E01673207

Seven Star LLC is a dedicated supplier of Siemens Maxum Edition II process gas chromatograph spare parts and detector thermal hardware throughout Oman and the GCC. To request a formal B2B quotation, verify current availability and lead time, or confirm compatibility of the Heater Cartridge A5E01673207 with your specific FID or FPD configuration, contact our instrumentation sourcing team today.

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