Instruction manual

Technical Information
Page
8
Chapter
03
Vögtlin Manual
red-y compact series
Technical Information
General Specifications of the Device
Accuracy +/- 1% of full scale
Dynamics
Standard measurement range 2 – 100 % within the specification
Signal suppression less than 2% of full scale
Repeatability +/- 1% from measurement value
Long-term stability < 1% from measurement value / year
Temperature coefficient -
Pressure coefficient < 0,2% / bar (typical N2)
Operating pressure up to 10 bar g
Temperature range 0 – 50 °C
Leak rate 1 x 10
-8
mbars l/s He
Heat-up period 30 minutes for maximum accuracy
Mechanical specifications
Materials
Design Code A (Alu) Aluminum, nickelized brass, stainless steel
Design Code S (high-grade steel) Stainless steel
Sensor PBT, epoxy
Sealing material FKM, optional EPDM or PTFE
Process connection Inside thread G1/4", G1/2” on both sides,
optional with compression fittings
(see accessory annex)
Protection category IP-50, front side IP-65
Electrical data
Supply voltage
Battery operation With battery module, useful life ca. 2 years
External feed + 24 V dc +/- 10%
Alarm contact (switch and all-in)
Function Floating change-over contact
Max voltage 24 Vdc
Max current 1 A
Display
LC Display For present flow rate with bar graph and
the corresponding unit.
Configuration parameters for the alarm function
© Vögtlin Instruments AG
03
Version
compact_E4_0