Tiếng Việt
WIKA 230.15 – (Pressure Gauge UHP) hãng WIKA/Germany
Applications
- For gaseous and liquid, also aggressive media for demanding high purity applications, also in aggressive ambience
- For all UHP (ultra high purity) applications
- Semiconductor and flat panel industry
- Gas distribution systems, medical gases
- Hook-up application
Special Features
- VCR® compatible face seal fittings
- Helium leak tested
- Electropolished case
- Process connection surface finish Ra ≤ 0.25 μm
Description
Nominal size
1 ½”, 2″
Accuracy class
NS 1 ½”: Grade B per ASME B40.1
NS 2″: Grade A per ASME B40.1
Scale ranges
0 … 1 to 0 … 400 bar (0 … 15 to 0 … 6,000 psi)
or all other equivalent vacuum or combined pressure and vacuum ranges
Pressure limitation
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value
Permissible temperature
Ambient: -40 … +60 °C
Medium: +100 °C maximum
Temperature effect
When the temperature of the measuring system deviates
from the reference temperature (+20 °C):
max. ±0.4 %/10 K of full scale value
Ingress protection
IP 54 per EN 60529 / lEC 529
WIKA 230.15
| Design | |
| Nominal size in mm | 1 ½”, 2″ |
| Accuracy class | NS 1 ½”: Grade B per ASME B40.1
NS 2″: Grade A per ASME B40.1 |
| Scale ranges | 0 … 1 to 0 … 400 bar (0 … 15 to 0 … 6,000 psi) or all other equivalent vacuum or combined pressure and vacuum ranges |
| Pressure limitation | Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value Short time: Full scale value |
| Permissible temperature | Ambient: -40 … +60 °C
Medium: +100 °C maximum |
| Temperature effect | When the temperature of the measuring system deviates from the reference temperature (+20 °C): max. ±0.4 %/10 K of full scale value |
| Process connection | Stainless steel 316L,
lower mount (LM) or centre back mount (CBM) VCR® compatible face seal fitting optionally: with union nut with male nut or with male thread 9/16-18 UNF fixed |
| Pressure element | Stainless steel 316L
< 100 bar: C-type ≥ 100 bar: Helical type Measuring system in crevice free design, jet-finished and passivated after welding Ra < 0.5 µm (Ra < 20 µinch) Leak tightness: Leak rate ≤ 10-9 mbar · l / s Test method: Helium mass spectrometry |
| Movement | Stainless steel |
| Dial | Aluminium, white, black lettering, with pointer stop pin |
| Pointer | Aluminium, black |
| Case | Stainless steel , electropolished |
| Window | Polycarbonate
NS 1 ½”: Snap-in window NS 2″: Screw-fitted on case (twist lock) |
| Options | ■ Other process connection
■ Process connection surface finish Ra ≤ 0.3 µm ■ Dual scale |
| Ingress protection per IEC/EN 60529 | IP54 |
