Service intended
P422 series are designed to measure low, vacuum or compound pressure. These models have a 316L SS measuring element which consists of two formed diaphragms and diaphragms are welded together.
| Nominal diameter |
63, 80, 100 and 160 mm |
| Accuracy |
±1.0 % of full scale
±1.6 % of full scale |
| Scale range (kPa, mbar) |
-35 ~ 0 to -2 ~ 0 kPa
-15 ~ 15 to -0.5 ~ 0.5 kPa
0 ~1 to 0 ~ 2 kPa |
| Working pressure |
Steady : 75 % of full scale
Over range protection : 130% of full scale |
| Working temperature |
Ambient : -20 ~ 65 °C
-40 ~ 65 °C (With silicone filling)
Fluid : Max. 100 °C |
| Degree of protection |
EN60529/IEC529/IP65 (100 mm) |
| Temperature effect |
Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.6 % per 10 ℃ of full scale |
Standard features
| Pressure connection |
Stainless steel (316SS) |
| Element |
Stainless steel (316L SS)
Capsule system : Up to 35 kPa |
| Case |
Stainless steel (304SS) |
| Cover |
Stainless steel (304SS) |
| Window |
Safety glass |
| Movement |
Stainless steel |
| Dial |
White aluminium with black graduations |
| Pointer |
Black painted aluminium alloy |
| Process connection |
¼", ⅜", ½" PT, NPT and PF |
| Certificates |
ATEX Ex II GD c IIc TX |
| Option |
Silicone filling |
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