---
title: Type K thermocouples on the GSV-8 measuring amplifier (en)
description: The article answers the question of whether a reference measurement point on channel 8 is absolutely necessary on the GSV-8 measuring amplifier when using type K thermocouples.
---

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# Type K thermocouples on the GSV-8 measuring amplifier (en)

## Is a reference measuring point required for connecting type K thermocouples to the GSV-8?

The GSV-8 measuring amplifier does not have an integrated reference junction for thermocouples. Channel 8 of the amplifier is intended for configuration as a reference junction with a PT1000 sensor. This reference junction is required to perform an absolute temperature measurement using a thermocouple. Otherwise, the temperature difference between the GSV-8 connector and the thermocouple's contact point is measured.

However, you can omit the PT1000 connection on channel 8 and connect a thermocouple there instead.

The differential temperature will then be displayed.

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