Temperature Probes – Industrial, Medical, HVAC and Automotive Applications

Amironic Ltd. is the official distributor of Variohm Eurosensor in Israel, supplying a wide range of temperature probes and temperature sensors for demanding applications across industry, medical systems, HVAC, automotive, and energy sectors.

Our portfolio includes NTC, PT100 and PT1000 temperature probes, available in multiple mechanical formats, sealing levels, and customization options to fit real-world engineering constraints.

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What is a Temperature Probe?

A temperature probe is a type of temperature sensor designed to measure thermal conditions in a system and convert them into an electrical signal that can be monitored or controlled.

Most probes operate based on one of the following sensing principles:

• NTC thermistors – resistance decreases as temperature increases
• RTDs (PT100 / PT1000) – resistance increases linearly with temperature
• PTC sensors – used in specific protection or switching applications

In practical systems, the probe measures temperature by detecting a change in electrical resistance, which is then converted into voltage or current and read by a controller, PLC, or monitoring system.

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Why Temperature Probes Matter in Real Systems

Temperature measurement is not just a sensor selection problem – it is a system engineering decision.

The right probe must match:

• mechanical integration (surface, threaded, immersion, clamp)
• environmental conditions (oil, moisture, vibration, IP rating)
• thermal response time
• required accuracy and stability
• installation constraints and cost targets

This is why temperature probes are available in many different form factors and mounting styles.

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Temperature Probe Families

Surface Temperature – Ring Terminal Probes (ETP-RT Series)

• Mounted directly onto surfaces such as panels, motors, and heat sinks
• Fast response and easy installation
• Available in:
  • NTC (±0.2°C typical)
  • PT100 / PT1000
• Typical range: up to +150 °C (depending on model)

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Screw-In Temperature Probes (LTP / ETP-MO Series)

• Designed for liquids, gases, and sealed systems
• Threaded mounting ensures thermal contact and sealing
• Common thread options: M8, 1/8″ NPT

Typical configurations:

• LTP-BC-PT – PT1000A, up to +230 °C
• ETP-MO Series – PT1000 or NTC, −40…+230 °C

Applications:

• automotive systems
• industrial machinery
• energy systems

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Compact Screw-Mount Sensors (M5 / Small Form Factor)

• Designed for tight installation spaces
• Maintain industrial-grade accuracy in compact geometry

Example:

• LTP-SP-PT (M5) – PT100 / PT1000, −50…+150 °C

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Sealed Outdoor & Harsh Environment Probes (AM-SP Series – IP67)

• Fully sealed for moisture, dust, and outdoor environments
• Ideal for harsh industrial and HVAC applications

Variants:

• ETP-AM-SP-100 – NTC or PT1000, −40…+230 °C
• ETP-AM-SP-ASL – extended environmental versions, −55…+170 °C

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Hex Bolt Temperature Probes (ETP-SP Series)

• Integrated directly into mechanical structures
• Ideal for engines and heavy machinery

Options:

• NTC (±0.2°C)
• PT100 / PT1000
• Typical range: up to +70 °C (NTC versions)

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Tubular Temperature Probes (LTP / ETP-TP / ETP-KT Series)

• Versatile probes for HVAC, industrial processes, and general measurement
• Available in brass or stainless steel housings

Examples:

• LTP-TP3-PT / LTP-TP-SS-PT – up to +220 °C
• ETP-TP-SS / Brass versions – NTC or PT
• ETP-KT Series – compact NTC probes

Applications:

• process control
• environmental monitoring
• cooling systems

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Pipe & Contact Temperature Sensors (ETP-PC Series)

• Designed to measure pipe surface temperature without immersion
• Clamp or contact mounting

Examples:

• ETP-PC-100 / PC-C-100 – NTC, −40…+125 °C
• ETP-PC-O-200 – NTC / PT options

Applications:

• HVAC systems
• refrigeration
• heating systems

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EV Battery Temperature Sensors

• Designed for battery pack thermal management
• Critical for safety, performance, and lifetime
• NTC 10K
• −40…+130 °C

Applications:

• electric vehicles
• energy storage systems

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Custom Temperature Probe Solutions

Many Variohm temperature probes are available with:

• custom cable lengths and connectors
• different sensing elements (NTC, PT100, PT1000)
• sealing and IP configurations
• mechanical adaptations

If your application requires a custom temperature probe, Amironic provides local engineering support in Israel.

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Why Choose Variohm Temperature Probes from Amironic?

• High accuracy and stability across wide temperature ranges
• Rugged construction for oil, vibration, and harsh environments
• Broad portfolio of mounting and sensing options
• Local engineering support and fast response in Israel

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Comparison Table – Temperature Probe Portfolio

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Need Help Selecting the Right Temperature Probe?

Choosing the right temperature probe depends on mechanical integration, environment, and measurement requirements.

Contact Amironic for:

• engineering support
• product selection
• quotations and lead times