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Introduction; Description - JUMO PINOS L01 Betriebsanleitung

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2

Introduction

2.1

Description

The JUMO PINOS L01 flow sensor measures and monitors flow velocities of water and aqueous media.
The measurement method is based on the calorimetric measuring principle and therefore does not in-
clude any moving parts. This measuring principle is based on the cooling of a heatable temperature
probe. Due to the flow behavior of the liquid, heat is taken from the temperature probe. The higher the
flow velocity, the higher the heat emission of the heating element. The measured value can be output
via an analog output from 0(4) to 20 mA. A variant with switching output is also available. The condition
of the device is displayed using 3 LEDs.
The JUMO PINOS L01 can be used for a nominal pressure up to 75 bar and in a permitted flow range
of 10 to 150 cm/s.
To allow for simple startup of the flow sensor, it is equipped with a micro USB interface while a setup
program is also available as an accessory. A switching point can be set on-site using a push-button on
the user interface. Due to its robust design with protection type IP65/67, the flow sensor can also be used
in difficult environmental conditions.
The main areas of use are the monitoring of cooling water circuits, pumps, heat exchangers, leak mon-
itoring for process lines, dry-run protection for pumps, as well as the monitoring of lubrication circuits.
2 Introduction
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