WIKA CPB3800 - Handbuch (Seite 20)

20 WIKA operating instructions model CPB3800
14062232.03 12/2013 GB/D
GB
4. Design and function
4. Design and function
4.1 Description
The model CPB3800 pressure balance in compact design provides optimum features
for laboratory use whilst being rugged enough for industrial requirements. It provides a
highly accurate measurement of pressure.
The piston unit is screwed on to the left hand side pressure block of the base unit and
the test item is connected to the right hand pressure block.
4.2 Scope of delivery
■ Base
■ Dual-area spindle pump for filling, pressure generation and fine pressure adjustment
■ Piston connection with G ¾ B male thread
■ Test item connection with G ½ female thread, loose union connection
■ Adapter set for test item connection, G ½ B male to G ¼ and G ⅜ female threads
■ Piston-cylinder system with overhang (bell jar)
■ Set of masses manufactured to standard gravity (9.80665 m/s²)
■ VG22 mineral oil (0.5 litre)
■ Tool and maintenance set consisting of:
1 hexagon wrench key 3 mm A/F
2 x 30 mm A/F open-ended spanners
1 spirit level
4 level plates
1 bag of seals
1 G ½ (½" BSP) angle connection
1 pointer press-on tool
1 pointer remover
1 test item connection
■ Operating instructions in German and English language
■ Factory calibration certificate
Cross-check scope of delivery with delivery note.
4.3 Base unit
The model CPB3800 series base unit consists of a solid aluminium base plate mounted
on four adjustable levelling feet, a spindle pump, reservoir, control valves, pipework to
two stainless steel pressure connection blocks. The pipework and above mentioned
assemblies are covered by an easy to clean ABS cover.