P810
Ultra high purity pressure gauge, 316L electropolished (Ra≤0.25 µm), 35, 50 and 63 mm. For ultra-high-purity gas distribution systems. Scale range -0.1 ~ 0 to 0 ~ 28 MPa, helium leak rate < 10⁻⁹ mbar·ℓ/sec.
- Nominal diameter
- 35 · 50 · 63 mm
- Accuracy
- Grade A (50 · 63 mm) — ±1.0% middle half, ±2.0% end quarters · Grade B (35 · 50 · 63 mm) — ±2.0% middle half, ±3.0% end quarters (ASME B40.1)
- Scale range
- -0.1 ~ 0 to 0 ~ 28 MPa
- Working pressure
- Steady: 75% FS · Fluctuating: 67% FS
Materials
| Nominal diameter | 35 · 50 · 63 mm |
|---|---|
| Accuracy | Grade A (50 · 63 mm) — ±1.0% middle half, ±2.0% end quarters · Grade B (35 · 50 · 63 mm) — ±2.0% middle half, ±3.0% end quarters (ASME B40.1) |
| Scale range | -0.1 ~ 0 to 0 ~ 28 MPa |
| Working pressure | Steady: 75% FS · Fluctuating: 67% FS |
| Working temperature | Ambient: -40 ~ 65°C · Fluid: max. 100°C |
| Temperature effect | approx. ±0.4% FS per 10°C from 20°C |
| Process connection | 316L SS electropolished, Ra≤0.25 µm |
| Element | 316L SS — C-type bourdon <6 MPa · helical ≥6 MPa |
| Case | 304SS electropolished, with pressure relief |
| Cover and window | Twist-lock polycarbonate |
| Dial | White aluminium, black/red lettering, dual pressure scale (bar/psi) |
| Helium leak rate | less than 10⁻⁹ mbar·ℓ/sec |
| Certificates | ATEX Ex II GD c IIC TX |
Applications & Documents
Configure your order
Select the variables exactly as they appear in the manufacturer datasheet. The full part number is assembled automatically.
Nominal Diameter
single select · 3 valuesM (35 mm) — only available to center back mount
Type of Mounting
single select · 3 valuesI — only available with diameter 50 mm
Accuracy
single select · 2 valuesConnection Type
single select · 4 valuesUnit
single select · 2 valuesRange
single select · 34 valuesPressure Connection Material
single select · 2 valuesSelect variables
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