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dol sensors DOL 51 Technical User Manual

Ammonia sensor
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DOL 51
Ammonia sensor
For other language variants of this document we refer to
your local dealer.
dol-sensors a/s
– Agro Food Park 15
– DK-8200 Aarhus N
– T: +45 7217 5888
Technical User Guide
www.dol-sensors.com
– F: +45 7217 5959
– www.dol-sensors.com
or

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Summary of Contents for dol sensors DOL 51

  • Page 1 Technical User Guide DOL 51 Ammonia sensor For other language variants of this document we refer to www.dol-sensors.com your local dealer. dol-sensors a/s – Agro Food Park 15 – DK-8200 Aarhus N – T: +45 7217 5888 – F: +45 7217 5959...

  • Page 2: Product Description

    1 Product description The DOL 51 is an electrochemical sensor designed to measure ammonia levels in livestock houses and air cleaners with very high humidity. The sensor consists of a sensor element, a house, a dust filter, and a convec- tion cap with heating connected to the housing with a cable.

  • Page 3: Installation

    Make sure there is an adequate distance to walls and air inlets. DOL 51 must not be suspended from the electric cable. Figure 1: DOL 51 must be mounted vertically with the sensor pointing down; +/- 15° at a location with low vibra- tion and, as far as possible, stable temperatures.
  • Page 4 Sensor element (140314) Dust filter (140236) Convection cap with heating Figure 2: DOL 51. 4 Connection Installation, servicing and troubleshooting of all electrical equipment must be carried out by quali- fied personnel in compliance with the applicable national and international standard EN 60204-1 and any other EU standards that are applicable in Europe.

  • Page 5: Led Indication

    Short circuit in supply cable. Check installation for short circuit. Overvoltage or undervoltage at the Check electric voltage at the DOL 51 housing DOL 51 housing. with a multimeter. Incorrect voltage (e.g. 230 V AC) Replace the DOL 51 housing.

  • Page 6: Troubleshooting Instructions

    Replace the sensor element. older than 1½ years, service life is GREEN/GREEN/ expired; see date on sensor ele- GREEN/YELLOW ment type plate. Heating defective. Replace the DOL 51 housing. YELLOW/YELLOW/ YELLOW/GREEN 7 Trouble shooting instructions Error Cause Action Packaging is damaged.

  • Page 7: Technical Data

    DOL 51 must be removed during cleaning and disinfection. Do not expose the DOL 51 housing to air in the livestock house without the sensor element mounted, it is how- ever, okay to replace the element in the livestock house.
  • Page 8 Technical User Guide DOL 51, 0-10V, 4-20mA, 0-50ppm NH Max. storage time (sen- See date on sensor can sor element) Warranty sensor element years Expected lifetime of Not beyond the date on the sensor 1½ years sensor element element type plate...

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