01
Overview
WIKA models 232.50 and 233.50 are stainless-steel Bourdon-tube pressure gauges for corrosive media and demanding industrial environments. The 233.50 liquid-filled version is suited to dynamic pressure, vibration and shock loading.
02
Key characteristics
- 01Ranges up to 160 MPa
- 02All-stainless-steel construction
- 03IP65 enclosure protection
- 04Filled-case option for vibration service
03
Technical specifications
- Nominal sizes
- 63, 100 or 160 mm
- Accuracy class
- Class 1.6 for NS63; class 1.0 for NS100 and NS160
- Scale ranges
- Up to 100 MPa for NS63/100; up to 160 MPa for NS160
- Ambient temperature
- -40 to +60 °C unfilled; -20 to +60 °C with glycerine filling
- Medium temperature
- Up to +200 °C for the unfilled version; lower limits apply to filled versions
- Ingress protection
- IP65 to EN / IEC 60529
- Wetted parts
- 316L pressure element; 316L process connection (1.4571 for NS63)
- Process connection
- G 1/4 B for NS63; G 1/2 B for NS100/160
04
Applications
- Chemical and petrochemical
- Power generation
- Machinery
05
Selection notes
- 01
Select the range so normal pressure sits in the preferred middle portion of the scale.
- 02
Choose the filled model for pulsation or vibration and verify its temperature limit.
- 03
Confirm connection location, thread, overload requirement and any diaphragm-seal need.



