This 2025 guide explores the advantages, limitations, and use cases for both IR and contact thermometers, helping engineers, technicians, and lab professionals make an informed decision.

🌡️ What Is an Infrared Thermometer?

An Infrared Thermometer (IR) measures surface temperature without physical contact. It detects infrared radiation emitted by objects and converts it into a temperature reading.

Advantages:

• Fast response time (typically <1 second)

• Safe for measuring high-voltage or moving parts

• Ideal for hard-to-reach or hazardous environments

• No risk of contamination (suitable for food or pharmaceutical)

Limitations:

• Accuracy depends on surface emissivity

• Not suitable for internal temperature measurement

• Affected by reflective surfaces, steam, and dust

✅ Example Product: Fluke 572-2 Infrared Thermometer – Rugged, IP54-rated IR thermometer ideal for field use.

🔧 What Is a Contact Thermometer?

Contact thermometers require direct touch with the object being measured, using sensors like thermocouples, RTDs, or thermistors.

Advantages:

• High accuracy for direct surface or internal measurements

• Not affected by surface reflectivity or emissivity

• Suitable for calibrations and standards verification

Limitations:

• Slower response time

• Physical contact may not be safe in high-voltage or moving applications

• Possible contamination or damage to probe

✅ Example Product: Testo 882 Contact Thermometer – Versatile single-channel thermocouple meter with wireless connectivity.

⚖️ IR vs Contact: Feature Comparison Table

🏭 Use Case Examples by Industry

✅ Industrial Maintenance

• IR: Ideal for checking overheating on motors, bearings, or circuit breakers.

• Contact: Needed for verifying internal temps of mechanical components or fluids.

🧪 Laboratory Calibration

• Contact: Mandatory for traceable calibration using liquid baths or dry-well blocks.

• IR: Can be used for quick surface checks, but with lower confidence.

🧰 HVAC & Refrigeration

• IR: Check vent temps, duct air output, and compressor surfaces quickly.

• Contact: Use to measure pipe temperatures, evaporator coils, and refrigerant lines.

🔗 Internal Link: View Our Temperature Measurement

🧪 Calibration Considerations

Whether you choose IR or contact, calibration is key to reliable measurements. Infrared thermometers require blackbody calibration, while contact thermometers use dry blocks or temperature baths.

🔗 Related Article: Temperature Baths vs Dry-Well Calibrators: Choosing the Right Solution

✅ All temperature instruments sold at JansenCalibration.com include ISO 17025-compliant calibration certificates.

🧭 How to Choose the Right Thermometer

Ask the following questions:

1. Do you need to avoid physical contact? → Go with IR

2. Is traceable accuracy critical? → Choose contact thermometer

3. Are you measuring surface or internal temperatures?

4. Will environmental factors (dust, reflectivity) affect readings?

5. Is real-time, multi-point data logging important? → Look for advanced contact models

🔗 Internal Link: View Our IR Thermometers

🛒 Recommended Products for 2025

• Fluke 64 MAX IR Thermometer – Compact, precise, with built-in auto capture

• Testo 720 Precision Contact Thermometer – Ideal for labs and cleanrooms

• Additel ADT878 Reference Thermometer – High-end tool for metrology-grade applications

🔗 Internal Link: Browse All Temperature Measurement Tools

✅ Conclusion

In the ongoing debate of IR vs contact thermometers, the right answer depends on your specific application. Infrared thermometers offer unmatched speed and safety, while contact thermometers remain the gold standard for accuracy and traceability.

By understanding the strengths and limitations of each, you can make a well-informed decision that enhances your measurement quality and operational safety.

🛠️ Need help selecting the best thermometer for your needs?
Contact our experts or explore our full selection online.

Trusted Global Calibration Tools Supplier – Jansen Calibration

In this 2025 guide, we dive deep into the types, technologies, applications, and regulatory importance of gas detectors—and why no industrial facility should operate without them.

🔍 Why Gas Detectors Are Critical in Modern Industrial Worksites

Gases like hydrogen sulfide (H₂S), carbon monoxide (CO), methane (CH₄), chlorine (Cl₂), and ammonia (NH₃) are odorless and deadly. A leak or accumulation can cause explosions, fires, or fatal health effects. Real-time detection through fixed or portable gas detectors helps prevent catastrophic incidents.

Gas detection is also a legal requirement in most jurisdictions, enforced under standards like:

• OSHA 1910.146 (Permit-required confined spaces)

• NIOSH guidelines

• IEC 60079 (Explosive atmospheres)

• ISO 26142 (Hydrogen detection)

🔗 Internal link: Learn more about our Environmental Testing Instruments

🛠️ Types of Gas Detectors and Their Applications

1. Portable Gas Detectors
   Ideal for personal safety and confined space entry. They are lightweight, battery-powered, and typically include alarms and real-time readouts.

   • Example product:
     RAE Systems MultiRAE Lite

     • Detects up to 6 gases simultaneously

     • Interchangeable sensors

     • Ideal for oil & gas and HazMat response teams

2. Fixed Gas Detection Systems
   Permanently installed in high-risk zones (e.g., compressor rooms, chemical tanks, or gas turbines). Often integrated with alarm systems or ventilation control.

   • Example product:
     MSA Ultima X5000 Gas Monitor

     • Dual sensor capability

     • SIL 2 certified

     • Easy integration with industrial control systems (4-20mA, Modbus)

3. Single-Gas Detectors
   Specifically designed for monitoring one type of gas like CO or H₂S.

   • Example product:
     Dräger PAC 6000

     • Disposable after 2 years

     • Maintenance-free operation

     • Suitable for field inspectors and contractors

4. Multi-Gas Detectors with Wireless Connectivity
   Enable data logging, Bluetooth alerts, and cloud-based fleet management.

   • Example product:
     Honeywell BW™ Ultra

     • 5-gas detection

     • Real-time alerts to central monitoring software

     • Designed for long-duration, high-risk deployments

🔗 Internal link: Explore Gas Detectors Tools

📋 Key Factors to Consider When Choosing a Gas Detector

• Sensor Type: Electrochemical, catalytic bead, PID (photoionization), IR (infrared)

• Detection Range: Ensure it covers both ppm (parts per million) and %LEL (lower explosive limit)

• Response Time (T90): Faster is better—ideally under 15 seconds

• Alarms and Alerts: Audible, visual, and vibration

• Battery Life: Especially important for portable detectors

• Certifications: ATEX, CSA, IECEx, UL, and OSHA compliance

• Maintenance and Calibration Requirements

🔗 Internal link: Contact us for Gas Detectors shop

✅ Benefits of Regular Calibration and Bump Testing

Gas detectors, like all precision instruments, drift over time. Calibration ensures accuracy, especially in environments where seconds matter. Regular bump testing (a quick exposure to test gas) checks that the detector responds properly.

At JansenCalibration.com, all gas detectors are delivered pre-calibrated with ISO 17025 traceable certificates, and we also offer routine recalibration services.

🔗 Related reading: Why Calibration Matters: The Backbone of Industrial Quality Assurance

🏭 Industries That Rely on Gas Detection

• Petrochemical and Oil Refineries

• Underground Mining Operations

• Water and Wastewater Treatment

• Food and Beverage (CO₂ safety in breweries)

• Battery Manufacturing

• HazMat Response and Emergency Services

In confined spaces, a multi-gas detector is often the first and last line of defense.

📈 Top Trends in Gas Detection for 2025

• Wireless Fleet Management: Real-time dashboards for safety supervisors

• Integration with SCADA/PLC Systems

• Smarter Sensors: Auto-compensating for temperature, humidity, and pressure

• Miniaturization of Multigas Tools

• Cloud-Based Compliance Reports

🔗 Suggested Internal Links

• Shop Portable Gas Detectors

• Humidity and Air Quality Measurement Tools

• Environmental Dataloggers for Long-Term Monitoring

🧾 Conclusion

Gas detectors are not just accessories—they are life-saving instruments and compliance tools in industrial environments. Whether you need a personal H₂S detector for confined space entry or a sophisticated multi-point fixed system for your facility, choosing the right detector can prevent accidents, fines, and even fatalities.

Trust JansenCalibration.com for industry-leading gas detection solutions—pre-calibrated, certified, and ready for deployment.

🛒 Browse Our Full Range of Gas Detectors
Trusted Global Calibration Tools Supplier – Jansen Calibration

In this article, we compare both types of thermometers, exploring their principles, use cases, accuracy, and when to use one over the other.

🔥 How Infrared Thermometers Work

Infrared thermometers measure temperature from a distance by detecting the infrared radiation emitted by an object. They provide fast, non-contact readings, making them ideal for hazardous, high-temperature, or hard-to-reach environments.

Advantages:

• Non-contact, safe for high-voltage or moving parts

• Quick response time

• Ideal for rotating equipment or energized panels

Limitations:

• Accuracy depends on surface emissivity

• Affected by dust, steam, or reflective surfaces

• Not suitable for internal temperature readings

🔗 Related Internal Link: Explore IR Thermometers

❄️ How Contact Thermometers Work

Contact thermometers use thermocouple or RTD probes to measure temperature via direct physical contact. They are widely used in laboratories, calibration settings, and for applications where accuracy is paramount.

Advantages:

• Higher accuracy

• Suitable for internal or embedded temperature measurements

• Reliable in controlled environments

Limitations:

• Requires physical access to the object

• Slower response time compared to IR

• Can be hazardous if used on live or hot systems

📅 Typical Use Cases

📄 Calibration and Compliance

No matter the thermometer type, proper calibration is critical. Infrared and contact thermometers must be checked regularly against a known temperature standard to ensure accuracy. At JansenCalibration.com, we provide:

• ISO 17025 Calibration for temperature instruments

• Emissivity adjustment and verification

• Multi-point calibration certificates for traceability

🔗 Internal Link: Temperature measurement

✅ Conclusion

Both infrared and contact thermometers have their place in industrial and laboratory settings. IR thermometers are excellent for quick, non-contact surface checks, while contact thermometers are essential when precision is required.

Understanding when and how to use each tool will ensure safer operations, better data, and compliance with industry standards.

💼 Need help choosing the right thermometer? Contact our experts or browse our full temperature product catalog.

This article provides an in-depth overview of power quality analyzers, their importance, applications, and how to choose the right model for your industrial or commercial facility. It also highlights top-certified products suitable for global operations.

What is a Power Quality Analyzer?

A Power Quality Analyzer is an electronic instrument that measures various parameters of electrical power systems such as:

• Voltage sags, swells, interruptions

• Harmonics and waveform distortion

• Frequency variations

• Flicker

• Transients and spikes

• Energy consumption and load analysis

These measurements help identify problems that can cause equipment malfunction, energy loss, or non-compliance with standards like IEC 61000-4-30.

Why Power Quality Analysis Matters

Poor power quality leads to:

• Equipment overheating or damage

• Data corruption or process failures

• Increased energy costs and downtime

• Violation of grid compliance standards (IEEE 519, EN 50160)

Industries with high automation, motor loads, or sensitive electronics—such as manufacturing, data centers, utilities, and hospitals—must maintain strict control over power quality.

Key Features of Power Quality Analyzers

Top Power Quality Analyzers in 2025 (with Example Products)

1. AEMC Instruments 8436+ Power Quality Analyzer

• 4 voltage and 4 current inputs

• Measures harmonics up to 63rd order

• IP67 rugged housing for field work

• Data export via USB and SD card

• View Product

2. Hioki PQ3198 Power Quality Analyzer

• Class A compliant (IEC 61000-4-30 Ed.3)

• Captures voltage dips, interruptions, inrush current

• Real-time waveform display with touchscreen

• Multiple I/O: USB, LAN, SD, GPS sync

• View Product

3. Fluke 1777 Power Quality Logger

• Automatic measurement of over 500 parameters

• Plug-and-play setup with PQ Log software

• Safety rated CAT IV 600 V / CAT III 1000 V

• Remote access via Fluke Connect® and Wi-Fi

• View Product

Applications Across Industries

How to Select the Right PQA

1. Define Voltage Range & Phases: Match analyzer capabilities to your system.

2. Compliance Needs: Select models compliant with IEC 61000, EN 50160, IEEE 519.

3. Data Capture Duration: Look for large internal memory and SD card support.

4. Portability vs Permanency: Choose between handheld analyzers and panel-mounted versions.

5. Software Integration: Ensure compatibility with energy audit tools or SCADA.

Trusted Brands for Power Quality Tools

Conclusion

Maintaining optimal power quality is no longer optional—it’s essential for system efficiency, equipment protection, and compliance. Power Quality Analyzers give engineers the data needed to make informed decisions, reduce energy waste, and meet international electrical standards.

Browse our full range of industrial-grade PQAs at Jansen calibration – Your Global Partner in Precision Calibration & Test Instruments.

⚠️ What Happens When Calibration is Ignored?

• Production Errors: Even a slight drift in sensor accuracy can throw off entire batches.

• Waste & Scrap: Raw materials are lost when products fail QA due to measurement inconsistencies.

• Downtime: Faulty readings can lead to misdiagnosis, delays, and repeated tests.

• Loss of Certification: In sectors like aerospace, pharma, and electronics, ISO compliance demands precision.

• Reputation Risk: Failed components in the field can damage client trust permanently.

🧰 Real-World Example: A Voltage Misread

A manufacturer using an aging multimeter failed to detect a spike in supply voltage. The result? Burnt PCBs, halted production, and over $20,000 in losses — all because the multimeter hadn't been calibrated in over a year.

✅ Solution: Scheduled Calibration & Tool Audits

Implementing regular tool audits, calibration schedules, and replacing outdated instruments can:

• Prevent quality defects

• Ensure compliance with ISO 9001 / 17025

• Improve traceability in production logs

• Reduce maintenance response time

🌍 Where to Start?

Working with a global supplier who provides both Pressure Measurement and Calibration Instruments helps businesses stay ahead of risk.

👉 Learn more at Jansen Calibration – Your Global Partner in Precision Calibration & Test Instruments