Thermocouple high-temp type K exposed tip, fiberglass insulated, 5 m

The Pico SE062 High-Temperature Type K Exposed-Tip Thermocouple, Fiberglass Insulated, 5 m is designed for engineers, research laboratories and industrial testing applications that require high-temperature measurement combined with extended cable reach.

Pico Technology identifies the SE062 as the 5 metre model in its high-temperature Type K thermocouple range. It uses an exposed sensing junction, high-temperature glass-fiber insulation and a 0.8 mm thermocouple conductor.

Key manufacturer specifications include:

• Order Code: SE062
• Thermocouple Type: Type K
• Junction Type: Exposed
• Accuracy Class: Class 1
• Pico-Quoted Accuracy: ±1.5 °C
• Quoted Class 1 Range: −40 °C to +1000 °C
• Cable Length: 5 m
• Conductor Diameter: 0.8 mm
• Conductor Temperature Rating: Up to +1000 °C
• Insulation: High-temperature fiberglass / glass fiber
• Continuous Insulation Rating: +750 °C
• Primary Application: Oven and high-temperature temperature measurement

High-Temperature Type K Measurement

The SE062 uses Type K thermocouple technology, widely used for industrial, laboratory and engineering temperature measurements.

Pico specifies its Class 1 performance over:

• −40 °C to +1000 °C

The 0.8 mm thermocouple conductor is also rated for temperatures up to:

• +1000 °C

This makes the SE062 suitable for applications where standard low-temperature thermocouple assemblies may not provide sufficient temperature capability.

Class 1 Accuracy

Pico specifies the SE062 as a Class 1 Type K thermocouple with:

• Accuracy: ±1.5 °C
• Quoted range: −40 °C to +1000 °C

Pico thermocouples are manufactured to recognized industry tolerances stated in:

• IEC 60584-2:1993
• BS EN 60584-1:2013

The final accuracy of a complete temperature-measurement system also depends on the data logger, cold-junction compensation, installation and thermocouple condition.

High-Temperature Fiberglass Insulation

The SE062 uses high-temperature glass-fiber insulation designed for continuous operation at:

• +750 °C

This value should be clearly distinguished from the +1000 °C conductor rating.

The cable insulation is rated for continuous +750 °C operation, while the thermocouple conductor itself is rated to +1000 °C.

0.8 mm High-Temperature Conductor

Pico specifies a:

• 0.8 mm thermocouple conductor

The conductor is suitable for temperatures up to:

• +1000 °C

This high-temperature construction differentiates SE062 from Pico's standard SE031 5 m fiberglass-insulated Type K thermocouple, which uses a thinner 0.3 mm conductor and has a lower temperature rating.

Exposed-Junction Temperature Measurement

The SE062 uses an exposed thermocouple junction.

The sensing junction is directly exposed to the measurement environment rather than being enclosed in a protective metal sheath.

This reduces thermal mass around the sensing junction and makes exposed-tip thermocouples useful where responsive temperature measurement is required.

Typical applications include:

• Oven air-temperature measurement
• Heated gas monitoring
• Thermal chamber testing
• Heating-cycle measurement
• Laboratory thermal experiments
• High-temperature R&D

Suitable for Gas and Air Measurements

Exposed-tip thermocouples are particularly useful for suitable air and gas-temperature measurements because the sensing junction directly contacts the surrounding medium.

Potential applications include:

• Oven atmosphere monitoring
• Heated-air systems
• Laboratory gas measurements
• Thermal chambers
• Engineering heating experiments

A numerical response time should not be added unless Pico publishes a specific value for SE062.

Limitation for Corrosive or Oxidizing Liquids

Because the thermocouple junction is exposed, this probe should not be treated as a general-purpose liquid-immersion sensor.

For corrosive, chemically aggressive or oxidizing liquids, an appropriately protected or sheathed thermocouple should be selected.

5 m Extended Cable Length

The SE062 provides:

• Cable Length: 5 m

The extended cable is useful where the measurement point needs to remain several metres away from the temperature data logger.

Typical installations include:

• Large industrial ovens
• Thermal chambers
• Heat-treatment equipment
• Laboratory furnaces
• Remote temperature-measurement points
• Large test fixtures

The longer cable can help keep the measurement instrument outside the high-temperature area.

Pico High-Temperature Type K Range

Pico offers the same high-temperature construction in several cable lengths:

All four are high-temperature, exposed-tip, fiberglass-insulated Type K thermocouples.

The appropriate model can therefore be selected according to the required distance between the measurement point and data logger.

Fixed High-Temperature Installation

Pico specifically notes that high-temperature performance is particularly suitable when the thermocouple is fixed in position and the fiberglass insulation is not repeatedly flexed.

For high-temperature applications:

• Keep cable routing stable
• Avoid unnecessary flexing when the insulation is hot
• Prevent mechanical abrasion
• Keep the exposed junction correctly positioned
• Respect the +750 °C continuous insulation rating
• Avoid contamination of the sensing junction

The 5 m cable should therefore not be marketed simply as providing unrestricted flexibility at extreme temperatures.

Ideal for Oven Temperature Measurement

Pico specifically describes the SE062 construction as suitable for oven temperatures.

Typical oven applications include:

• Oven temperature profiling
• Heating-cycle monitoring
• Cooling-cycle monitoring
• Temperature distribution testing
• Process-development experiments
• Product heat testing
• Laboratory oven validation
• Quality-control measurements

Thermal Chamber Testing

The SE062 can support high-temperature measurement in suitable thermal and environmental chambers.

Multiple thermocouples can be placed at different locations to monitor:

• Temperature uniformity
• Hot and cold zones
• Heating rates
• Cooling rates
• Thermal gradients
• Process stability

Heat-Treatment and Materials Testing

The high-temperature conductor and extended cable length make SE062 useful for suitable applications involving:

• Heat-treatment testing
• Materials research
• Product thermal validation
• High-temperature R&D
• Industrial heating processes
• Laboratory experiments

The measurement arrangement should always remain within the temperature ratings of the conductor and insulation.

Recommended for Pico USB TC-08

Pico Technology lists the SE062 as a recommended accessory for the USB TC-08 Thermocouple Data Logger.

The TC-08 provides:

• 8 thermocouple input channels
• Type K support
• Built-in cold-junction compensation
• Multi-channel temperature logging
• PicoLog software support
• Long-duration recording

Multiple SE062 sensors can therefore be connected to available TC-08 channels for multi-point high-temperature monitoring.

Multi-Point High-Temperature Logging

Using several thermocouples with a multi-channel logger can help engineers compare:

• Temperatures at different locations
• Heating rates
• Cooling rates
• Thermal gradients
• Temperature distribution
• Process temperatures over time

This is particularly useful in ovens, thermal chambers and product-validation applications.

Thermocouple Aging at High Temperature

Prolonged exposure to high temperatures can gradually affect thermocouple performance.

Potential influences include:

• Thermocouple alloy changes
• Contamination
• Oxidation
• Mechanical damage
• Fiberglass insulation degradation

For demanding applications, periodically inspect the thermocouple and replace it if physical or measurement performance deteriorates.

Typical Applications

The Pico SE062 is suitable for:

• Oven temperature monitoring
• High-temperature air measurement
• Gas-temperature measurement
• Thermal chamber testing
• Heat-treatment experiments
• Laboratory furnace testing
• Materials research
• Industrial thermal process monitoring
• Product heat testing
• Engineering R&D
• Temperature profiling
• Multi-point TC-08 temperature logging