| Nominal diameter | 40 and 50 mm |
| Accuracy | 40 mm : ±3.0 % of full scale |
| 50 mm : ±1.5 % of full scale |
| Scale range (MPa, kPa, bar) | 0 ~ 0.2, 0.3, 0.4, 0.6, 1, 1.5, 3.5 MPa |
| Working pressure | Steady : 75 % of full scale |
| Over range protection : 130 % of full scale |
| Working temperature | Ambient : Model P221 : -40 ~ 65 °C |
| Model P253 : -20 ~ 60 °C |
| Fluid : Model P221 : Max. 200 °C |
| Model P253 : Max. 60 °C |
| Temperature effect | Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately |
| ±0.4 % per 10 ℃ of full scale |
| Pressure connection | Model P221 : Stainless steel (316SS) |
| Model P253 : Nickel plated brass |
| Element | C type bourdon tube |
| Model P221 : Stainless steel (316SS) |
| Model P253 : Brass |
| Case | Stainless steel (304SS) |
| Cover | 40 mm : Stainless steel (304SS) and polycarbonate |
| 50 mm : Stainless steel (304SS) |
| Window | Polycarbonate (40 and 50 mm) |
| Movement | Model P221 : Stainless steel |
| Model P253 : Brass |
| Dial | White aluminium with black graduations |
| Pointer | Black painted aluminium alloy |
| Process connection | ⅛”, ¼” PT, NPT and PF |
| Option | Window : Safety glass with 304 stainless steel cover |