The Sensor and Instrumentation Blog of New England
A blog discussing sensors and instrumentation. New products, new technologies, and interesting applications. Types of sensors and instruments discussed include: Analyzers, Color Sensors, Displacement Sensors, Flow Sensors, Industrial Weighing, Instrumentation (Data Acquisition), Load Cells & Instrument Hardware. Machine Controls, Pressure Gauges, Pressure Sensors, Sanitary Sensors, Strain Gages, and Temperature Sensors. Courtesy of AP Corp.
Pyromation CSA Non-Incendive Certification for Hazardous Location Temperature Sensors
This certification formalizes what engineers, integrators, and plant operators expect from high-quality temperature measurement: reliable sensing built specifically to eliminate ignition risk under normal operating conditions in classified locations where explosive atmospheres are possible but not expected during routine system function.
What Non-Incendive Certification Means
Non-incendive temperature sensors are engineered to be incapable of causing ignition during routine operation in hazardous locations. Unlike explosion-proof enclosures that contain an explosion, or intrinsically safe circuits that limit energy to safe levels even under fault conditions, non-incendive equipment is designed such that it cannot produce ignition-causing energy release or dangerous surface temperatures during normal operation.
This distinction is crucial for process engineers who need temperature measurement throughout classified areas—from conduit runs near pump skids to remote field junctions in trace heating circuits. A non-incendive sensor can be installed in a Class I, Division 2 mechanical room, routed across cable trays in classified areas, or integrated into heat tracing control systems without becoming a potential ignition source under normal conditions.
The key qualifier is "normal operation." Non-incendive protection assumes the equipment functions as designed. It does not protect against ignition during fault conditions, which is why this protection method is appropriate for Division 2 locations where hazardous atmospheres are not normally present.
Certified Product Groups
Pyromation's CSA non-incendive certification covers specific thermocouple and RTD sensor groups widely deployed across U.S. and Canadian industrial sites in Class I, Division 2 (flammable gases and vapors) and Class II, Division 2 (combustible dusts) locations:
Extension Lead Wire Sensor Assemblies
These sensors are commonly used for machinery, piping, and structural temperature monitoring. Extension lead wire extends from the sensing element to a termination point located away from the immediate temperature zone, vibration area, or mechanical interference envelope. This design eliminates the need for process heads directly at the sensing point and allows flexible routing through classified areas. The assemblies are certified as incapable of producing ignition-causing surface temperatures or energy release under normal operating conditions.
Remote-Mount Temperature Assemblies
These thermocouple and RTD assemblies serve field installations where the junction enclosure or instrumentation head cannot or should not be located adjacent to the sensing point. Operators can mount the sensor tip where needed—on a platen, process line, valve body, or heat-transfer surface—and locate the termination point elsewhere. This architecture links sensors to control or data acquisition systems while maintaining classified area safety compliance.
Heat Tracing Temperature Sensors
The third certified group focuses on trace heating circuits where continuous temperature monitoring maintains viscosity, prevents freezing, or stabilizes process flow in classified environments. These assemblies are certified for U.S. and Canadian Class I, Division 2 and Class II, Division 2 locations, offering heat-trace control system manufacturers and plant operators a safe sensing architecture that doesn't compromise operational response or system uptime.
Design Flexibility for Real-World Applications
The practical value of this certification lies in its breadth. Pyromation's CSA-certified sensors are available in numerous configurations, from flexible jacketed RTD cable assemblies to mineral-insulated thermocouples with durable sheath materials capable of handling elevated process temperatures while maintaining ignition safety classification.
Design choices include multiple termination options—sealed lead wire pigtails, hazardous-location-approved quick-disconnect terminations, and various junction box configurations. Pyromation builds these sensors for classified applications without locking engineers into a single mechanical architecture or wiring approach.
This modularity addresses real-world engineering challenges. Most hazardous location specifications aren't solved by temperature accuracy alone. Engineers must consider cable routing, termination strategy, ingress protection, vibration exposure, thermal cycling, installation clearance, and commissioning timelines. Pyromation's certified sensor groups provide the flexibility to integrate temperature measurement into machinery surfaces, tube bundles, heat-trace panels, or remote field conduits without triggering additional ignition mitigation requirements.
Understanding Division 2 Classified Locations
The North American hazardous location classification system distinguishes between areas based on the likelihood of explosive atmospheres:
- Division 1: Hazardous atmospheres exist continuously, intermittently, or periodically under normal conditions
- Division 2: Hazardous atmospheres are not normally present and exist only under abnormal conditions (equipment failure, process upsets, container rupture)
Pyromation's CSA non-incendive certified sensors serve Division 2 locations where explosive atmospheres carry low probability or short duration under normal conditions, but where classified compliance still applies. The certification confirms these sensors do not produce dangerous surface temperatures or energy levels capable of igniting flammable gas, vapor, or combustible dust mixtures during normal operation.
This clarity matters because low risk does not mean no certification required. Many mechanical rooms, heat-trace conduit corridors, and controlled dust-handling areas specify non-incendive sensing rather than explosion-proof designs because the sensor remains safe without introducing ignition potential when the system operates normally.
Practical Implications
For engineers, this certification means fewer compromises between sensor form factor and system design. Temperature measurement can be specified with confidence in Division 2 locations without defaulting to more expensive or restrictive protection methods.
For integrators, it removes an entire category of ignition concerns during machine startup and commissioning. The sensor itself is eliminated as a potential ignition source under normal conditions.
For compliance teams, it provides third-party validation that the sensor cannot originate ignition under normal, specification-conforming operation—critical documentation for safety audits and regulatory compliance.
Regional Support: AP Corp. in New England
In New England, AP Corp. (Andruss-Peskin Corporation) serves as the authorized Pyromation representative and temperature instrumentation specialist. AP Corp. provides technical support including:
- Sensor design selection for classified locations
- Mechanical routing and installation guidance
- Certified termination strategies
- System integration consultation
- Application engineering
- Product support and troubleshooting
Whether your project involves industrial mechanical infrastructure, remote field installations, machinery surface temperature monitoring, or classified trace heating systems, AP Corp. connects certified sensor design to practical deployment with technical guidance backed by regional expertise.
Conclusion
Pyromation's CSA non-incendive certification represents more than regulatory compliance—it's a strategic response to how hazardous location temperature sensing is actually designed, installed, and maintained in North American industrial facilities. By embedding ignition safety into the sensor's fundamental design rather than relying solely on external protective measures, these certified products simplify specification, installation, and operation in Division 2 classified locations across diverse industries.
Technical Note: This certification applies to normal operating conditions in Class I, Division 2 and Class II, Division 2 locations as defined by the National Electrical Code (NEC) and Canadian Electrical Code (CEC). For specific hazardous location classifications, Groups, and temperature codes applicable to your application, consult the product documentation or contact AP Corp. for application-specific guidance.
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Protect Your Infrared Legacy – Optris Keeps Producing Your Trusted Micro-Epsilon IR Sensors
When a trusted product line suddenly changes, users often face far more than a simple swap of part numbers. A complete shift in design, interface, and performance can trigger a cascade of hidden costs and operational headaches. For companies relying on Micro-Epsilon’s infrared sensors, that reality loomed when Micro-Epsilon ended its long-term OEM partnership with Optris in June 2025.
The truth is, those legacy sensors weren’t built by Micro-Epsilon—Optris built them. For more than two decades, Optris designed and manufactured the IR sensors that Micro-Epsilon rebranded and sold. Now that Micro-Epsilon chose to move in a new direction, Optris continues producing the same proven sensors under its own name. That continuity saves end users from the massive nuisance of adapting to a brand-new product line.
Imagine the disruption if you had no choice but to adopt unfamiliar models. Engineering teams would spend weeks redesigning mechanical layouts, rewriting control software, and validating performance all over again. Staff would require retraining. Stocked spare parts would become obsolete overnight. Even worse, production uptime could suffer as compatibility issues surfaced. The cost of these changes is rarely limited to purchase price—it ripples through entire facilities in lost time, added labor, and operational risk.
By sourcing directly from Optris, you avoid those pitfalls entirely. Optris continues to supply the identical sensors you’ve already installed, with the same form, fit, and function. Specifications remain unchanged, connection protocols stay the same, and integration happens seamlessly. An Optris-branded sensor fits into your existing setup without a single adjustment.
The only difference is the label. Optris designs and delivers the full lineup of models once sold under the Micro-Epsilon name. In many regions, authorized Optris representatives already provide cross-references so customers can match part numbers with complete confidence. That simple step ensures operations remain uninterrupted and investments remain secure.
Choosing Optris means choosing peace of mind. You keep your systems running without disruption, avoid the cost of retraining or reengineering, and continue receiving full technical support, firmware updates, and long-term product availability. The nuisance of an unnecessary product line change never reaches your operations.
As Optris’ authorized representative in New England, Andruss-Peskin Corp. (AP Corp) makes the process even easier. With decades of experience in precision instrumentation, AP Corp helps engineers and facility managers secure the right Optris solutions quickly and confidently. Partnering with AP Corp ensures local expertise, responsive support, and direct access to the original infrared products you trust.
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Protect Your Infrared Investment: Seamlessly Transition from Micro-Epsilon to Optris IR Sensors
If you currently rely on Micro-Epsilon IR sensors, important changes are coming — and acting now can save your systems from costly disruption.
Micro-Epsilon has recently shifted away from its original infrared sensor supplier, Optris, who until now was the exclusive manufacturer of all Micro-Epsilon IR sensors. As a result, long-time users may soon face compatibility issues, software roadblocks, and hardware mismatches. Fortunately, there’s a smart, seamless solution.
Switch to Optris - The Original Manufacturer of Your IR Sensors
By transitioning to Optris-branded sensors, you ensure complete continuity with your existing systems—no hardware modifications, no software changes, and no retraining. It’s the same sensor you’ve trusted without the uncertainty that comes from a new supplier.
- Identical Form, Fit, and Function - Optris sensors are physically and electrically identical to the Micro-Epsilon models — the only difference is the label. Your systems will continue to operate as expected, with no need for design changes.
- No Software Disruption - Continue using the powerful TIM Connect software available only with Optris products. Starting June 30, Micro-Epsilon sensors will no longer support TIM Connect.
- Cost-Effective Replacement - Optris offers highly competitive pricing, often more affordable than Micro-Epsilon’s rebranded alternatives — making the switch a wise financial decision.
- Direct Cross-Reference Available - Easily find your Micro-Epsilon model on the Optris website to identify the exact Optris equivalent. No guesswork. No hassle.
Don’t Risk Compatibility Issues or Software Lockout
Staying with Micro-Epsilon now means switching to a new, unproven hardware/software ecosystem - with added costs, retraining, and risk. Optris lets you maintain the exact performance you’ve come to expect with none of the disruptions.
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