Data Sheet

Type 3285
2 | 14
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Table of contents
1. General Technical Data 3
1.1. General...................................................................................................................................................................................3
1.2. Standard, positioner and process controller version .............................................................................................................4
2. Materials 4
2.1. Chemical Resistance Chart – Bürkert resistApp....................................................................................................................4
2.2. Material specications ...........................................................................................................................................................5
3. Dimensions 5
3.1. Threaded body .......................................................................................................................................................................5
3.2. Capacitive buer module .......................................................................................................................................................6
4. Device/Process connections 7
4.1. Analogue ................................................................................................................................................................................7
4.2. Digital (Fieldbus) ....................................................................................................................................................................7
5. Performancespecications 8
5.1. Duty cycle derating diagram ..................................................................................................................................................8
5.2. Pressure range .......................................................................................................................................................................9
5.3. Flow characteristic .................................................................................................................................................................9
Determination of
the K
V
value .................................................................................................................................................9
6. Product operation 10
7. Product accessories 11
7.1. Accessories capacitive buer module .................................................................................................................................11
7.2. Software Bürkert Communicator .........................................................................................................................................11
Connection Type 3285 with Bürkert Communicator software .............................................................................................12
8. Ordering information 12
8.1. Bürkert eShop – Easy ordering and quick delivery ..............................................................................................................12
8.2. Recommendation regarding product selection ...................................................................................................................12
8.3. Bürkert product lter ............................................................................................................................................................12
8.4. Ordering chart accessories ..................................................................................................................................................12
General accessories ............................................................................................................................................................12
Accessories for positioner and process controller version ..................................................................................................13