Characteristics
- Type
- 21MT63M; 21MT100M
- Nominal size (ND)
- 63, 100 mm
- Accuracy class
- ND63 – 1.6 ND100 – 1.6 (1)
- Ranges
- -600…0 to 0…600 mbar
- Compound gauges
- Sum of absolute pressure and vacuum values: 25; 40; 60; 100; 160; 250; 400; 600 mbar
- Connection
- Radial (R) Central axial connection (AC)
- Application
- For measuring pressure and vacuum in aggressive, non-crystallising gases.
Technical specifications
| Technical specifications | 21 MTM | |
|---|---|---|
| Nominal size in mm – ND | 63 | 100 |
| Accuracy class | 1.6 | 1.6 (1) |
| Measuring ranges in mbar | from 0 to 25; 40; 60; 100; 160; 250; 400; 600 from -600; -400; -250; -160; -100; -60; -40; -25 to 0 | |
| Recommended values – static – pulsating – short-term | 3/4 of scale 2/3 of scale full scale | |
| Permissible temperatures | Ambient: Tmin -20°C; Tmax +60°C Fluid: Tmax +100°C | |
| Connection | Radial (R); Central axial (AC) | |
| Pressure connection versions | M12×1.5 (G 1/4”) SW 14 | M20×1.5 (G 1/2”) SW 22 |
| Measuring element | Stainless steel 1.4571 measuring diaphragm | |
| Movement | Stainless steel | |
| Dial | White aluminium; black scale markings | |
| Pointer zero adjustment | Front adjustment through the dial | |
| Window | Crystal polystyrene | Quartz glass |
| Pointer | Black aluminium | |
| Case | Stainless steel | |
| Options | FA – front flange FB – rear flange ST – panel bracket DI – restrictor KS – quartz glass Other connection threads and units | |