Characteristics
Manufactured in accordance with EN 837-1
- Nominal size (ND)
- 63, 100, 160 mm
- Accuracy class
- ND63 – 2.5 (1.6) ND100 – 1.6 (1) ND160 – 1.6 (1)
- Measuring ranges
- -1…0 to 0…600 bar
- Connection
- Radial (R) Axial (AE)
- Application
- For measuring pressure and vacuum in aggressive, low-viscosity and non-crystallising gases and liquids.
Technical specifications
| Technical specifications | 21 MT | ||
|---|---|---|---|
| Nominal size in mm | 63 | 100 | 160 |
| Accuracy class | 2.5 (1.6) | 1.6 (1) | |
| Measuring ranges in bar | from 0 to 0.6; 1; 1.6; 2.5; 4; 6; 10; 16; 25; 40; 60; 100; 160; 250; 400; 600 from -1 to 0; 0.6; 1.5; 3; 5; 9; 15; 24 | ||
| Recommended measuring values – static load – pulsating load – short-term measurement | 3/4 of the scale range 2/3 of the scale range full scale range | ||
| Permissible temperatures – ambient – measured fluid | Tmin -20°C; Tmax +60°C Tmax +100°C | ||
| Connection | Radial (R); Axial (AE) | ||
| Pressure connection versions Stainless steel 1.4571, with connection thread and wrench size | M12×1.5 (G 1/4”) SW 14 | M20×1.5 (G 1/2”) SW 22 | |
| Measuring element | ≤ 100 bar – stainless steel 1.4571, circular form > 100 bar – stainless steel 1.4571, multi-coil Bourdon tube | ||
| Movement | Stainless steel | ||
| Dial | White aluminium; black scale markings | ||
| Window | Crystal polystyrene | Quartz glass | |
| Pointer | Black aluminium | ||
| Case | Stainless steel | ||
| Options | B – bayonet closure for ND100 and ND160 NH₃… – temperature scale in °C for ammonia FA – front mounting flange FB – rear mounting flange DI – restrictor KS – quartz glass (ND63) Other connection threads Other units of measurement | ||