


Service intended
P423 series are designed to measure ultra low, vacuum or compound pressure.
These models have a stainless steel measuring element which consists of two formed diaphragms and diaphragms
are welded together.
| Nominal diameter | 100 mm |
| Accuracy | · ±1.6% of full scale |
| Scale range (kPa, mbar) | · -1 ~ 0 to -0.2 ~ 0 kPa · -0.1 ~ 0.1 to -0.5 ~ 0.5 kPa · 0 ~ 0.2 to 0 ~ 1 kPa |
| Working pressure | · Steady pressure : 75% of full scale · Over range protection : 130% of full scale |
| Working temperature | · Ambient : -20 ~ 65 °C · Fluid : Max. 100 °C |
| 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) · Pressure Chamber : Up to 1 kPa |
| Case | Stainless steel (304SS) |
| Cover | Stainless steel (304SS) |
| Window | Safety glass |
| Movement | Brass |
| Dial | White aluminium with black graduations |
| Pointer | Black painted aluminium alloy |
| Process connection | ¼", ⅜", ½" PT, NPT and PF |
| Option | Internal zero adjustment |
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