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Technical User Guide

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www.dol-sensors.com

DOL 51

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. The sensor element and filter can be replaced as
required, and the sensor element is supplied in a can for additional protection.

The sensor is meant for stationary mounting for continuous measuring of the ammonia concentration.

2 Product survey

140312 DOL 51 Ammonia Sensor w/heat

DOL 51 measures the ammonia in the livestock house air.

140314 DOL 51 Sensor Element

Sensor element for DOL 51.

140236 DOL 53 dust filter (5 pcs.)

Dust filters for DOL 51 and DOL 53. Set of 5 pieces.

140285 DOL 53 test equipment gas, complete

Test equipment for NH3 measurement with DOL 51 / DOL 53.

Summary of Contents for DOL 51

Page 1: ...DOL 51 Ammonia sensor For other language variants of this document we refer to www dol sensors com or 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: ...lement and filter can be replaced as required and the sensor element is supplied in a can for additional protection The sensor is meant for stationary mounting for continuous measuring of the ammonia...

Page 3: ...r passage around the sensor filter Do not expose it to direct sunlight as this will affect the mea surements DOL 51 must warm up for half an hour before being ready to measure see the section of LED i...

Page 4: ...shooting 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 ap...

Page 5: ...e g 230 V AC applied electronics damaged Replace the DOL 51 housing DOL 51 housing is defective Replace the DOL 51 housing contact the sup plier Alternating GREEN and YELLOW Sensor is warming up to b...

Page 6: ...1 housing is defective Replace the DOL 51 housing Incorrect measurement on the control unit The dust filter is clogged Replace the dust filter Check the sensitivity with test gas Unexpected measuremen...

Page 7: ...th lukewarm water Check for mechanical damage Transport The sensor must be transported in the original packing in air traffic Otherwise the sensor may lose its measuring sensitivity 9 Technical data D...

Page 8: ...ensor can Warranty sensor element 1 years Expected lifetime of sensor element Not beyond the date on the sensor element type plate 1 years IP classification IP65 Cable length 6 m Cable conductor size...

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