MNR 300 – AD672/681 (Ex)
Autonomous high pressure supply and adjustment system for Additel 68X / 681IS and 672 digital pressure gauges
- Designed for use with Additel 681 and 672 digital pressure gauges
- Supports pressure ranges with full scale from 20 MPa down to 0.7 MPa in a single system
- Simple, compact and easy to operate
- Built-in refillable 28 MPa storage tanks for pressure supply
- Precise test pressure control using a pressure balanced volume controller
- Protected against overpressure
- Three analogue pressure gauges for monitoring pressure in storage system, regulated supply pressure and pressure at test ports
- Two test ports
- 316 SS high pressure tubing and fittings
Additional option: ATEX certified version available for controlling conditions in an explosive atmosphere
Watch the product demonstration video:
Technical Specifications
| Pressure ranges | See Additel 68X or 672, digital pressure gauges supported table page 3 |
| Pressure measurement specs | See Additel 68X or 672, digital pressure gauges supported table page 3 |
| ATEX zone | II 3G Ex ic IIB T6 Gc (-10°C < Ta < +50°C) |
| MNR 300 control range | 0 - 20 MPa gauge pressure |
| Gas storage system | 2 x 1 litre capacity, filling pressure limited to 28 MPa, tested to 45 MPa |
| Monitor gauges | 40 mm, analogue, all stainless steel: gas bottle pressure, regulated supply pressure, pressure at test port |
| Pressure regulator | Minerva Model 180 high pressure regulator, Range 0 - 25 MPa |
| Volume adjuster | Minerva Model 90, pressure balanced volume adjuster, displacement 11 cm3 max 67 turn, precise pressure setting to within 100 Pa, stainless steel interior |
| Needle valves | Fine control valve for test pressure inlet and exhaust |
| Connections | Low volume Minimess 1215, quick connect couplings with internal check valve |
| Test / filling hose | Minimess 1215, length 2 meter, including 1⁄4" NPT male connector |
| Refill connection | For connection to nitrogen bottle, standard RU-3 |
| Quick lock system in lid | Quick lock system for storing test hose and test connector |
| Housing | Pelicase. Material: ultra high impact copolymer |
| Dimensions | 405 x 295 x 255 mm (L x W x H) |
| Weight | Approx. 19 kg |
| Certification | Pressure Equipment Directive (PED), Transportable Pressure Equipment Directive (TPED), CE conformity declaration |
| Accessories included | 2 meter test / filling hose, 1⁄4" NPT male test adaptor, RU-3 refill connection |
| Documentation included | Manual, PED conformity declaration, TPED conformity declaration, CE declaration |
| Ordering code | MNR-300-AD68x/672 |
| Ordering code ATEX version | MNR-300-AD681-ex |
Model Name |
Description |
| MNR 300-AD672/68X | Autonomous high pressure supply and adjustment system for Additel 68x and 672 digital pressure gauges |
| MNR 300-AD681 Ex | Atex certified, Portable pneumatic high pressure supply and adjustment system |
Data sheets
Would you like to receive the brochure of the ATEX-certified cases in other languages? please contact us.
Non-ATEX brochures are available in these languages:
- Brochure Minerva Portable High Pressure Case Additel MNR300 AD672 68X de
- Brochure Minerva Portable High Pressure Case Additel MNR300 AD672 68X es
- Brochure Minerva Portable High Pressure Case Additel MNR300 AD672 68X fr
- Brochure Minerva Portable High Pressure Case Additel MNR300 AD672 68X it
