DVR 3proVacuum gauge
Overview
- Flexible application range due to mains-independent operation of the fully electronic vacuum gauge with ATEX approval
- Large, graphical analog display combined with precise digital readout allows users to detect and view tendencies easily
- Improved functionality within the navigation menu helps to save energy and to increase the life cycle of the battery; battery easily replaceable; no lithium battery
- High reliability, low EMI emission level near detection limit, high degree of immunity to electromagnetic interference, suitable for use in industrial environments
- Capacitive ceramic diaphragm vacuum sensor made of aluminum oxide with excellent chemical resistance, accuracy and long-term stability
Vacuum gauge in action
The DVR 3pro is a fully electronic, versatile vacuum gauge with ATEX approval for use in areas with potentially explosive atmospheres (ATEX category 2). Thanks to the easy operation and the combined digital/analog pressure display, measured values can be viewed fast and precisely. The DVR 3pro has an integrated pressure sensor made of aluminum oxide ceramic with excellent corrosion resistance and high long-term stability. A particular advantage is the flexible use with 9V battery power supply (mains-independent operation). Approved batteries are available from retail outlets. The removable cover at the back of the gauge allows for easy battery replacement. (Note: battery replacement must be done outside the hazardous ATEX area.)
Technical data and graphs
| Upper measuring limit in mbar/hPa | 1060 mbar | |
| Upper measuring limit in torr | 795 torr | |
| Lower measuring limit in mbar/hPa | 1 | |
| Lower measuring limit in torr | 1 torr | |
| Measurement principle | Ceramic diaphragm (alumina), capacitive, gas indep., absolute pressure | |
| Accuracy of measurement | < +- 1 mbar/hPa/torr / +- 1 digit (after adjustment, constant temp.) mbar/hPa/torr | |
| ATEX conformity | II 2G EX ib IIC T4 Gb | |
| Temperature coefficient | < 0.15 mbar/hPa/0.11 torr /K mbar/hPa/torr /K | |
| Vacum connection | Small flange KF DN 16, PTFE tubing connection 10/8 mm, hose nozzle DN 6/10 mm | |
| Lower ambient temperature (storage) | -10 °C | |
| Upper ambient temperature (storage) | 60 °C | |
| Lower ambient temperature (operation) | 10 °C | |
| Upper ambient temperature (operation) | 40 °C | |
| Max. media temperature for continuous operation | 40 °C | |
| Max. media temperature short term | 80 °C | |
| Automatic switch-off | User-selectable: 1-600 min (default 5 min) or continuous operation min | |
| Measurement cycle | User-selectable: Automatic or 1 x per 3s, 1 x per 1s, 3 x per 1s | |
| Material of outer housing | Robust plastic housing with good chemical resistance | |
| Protection class IEC 60529 | IP 40 | |
| Protection class front side IEC 60529 | 6 | |
| Power supply | 9 V battery | |
| Weight | 0.4 kg | |
| Dimension L in mm | 117 mm | |
| Dimension B in mm | 117 mm | |
| Dimension H in mm | 91 mm | |
| Vacuum sensor | Integr. | |
| Typical battery lifetime | 4.000 h, stand-by: 30.000 h h | |
| NRTL certification | No | |
| Items supplied | Vacuum gauge complete with integrated vacuum sensor, including battery, hex key, connecting parts and manual. |
Downloads
Equipment
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![Rubber vacuum tubing, DN 8,price per meter]()
DN 8 mm, sale per meter Rubber vacuum tubing- Natural rubber + SBR
- Nominal width DN 8 mm
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Vacuum gauge in action
The DVR 3pro is a fully electronic, versatile vacuum gauge with ATEX approval for use in areas with potentially explosive atmospheres (ATEX category 2). Thanks to the easy operation and the combined digital/analog pressure display, measured values can be viewed fast and precisely. The DVR 3pro has an integrated pressure sensor made of aluminum oxide ceramic with excellent corrosion resistance and high long-term stability. A particular advantage is the flexible use with 9V battery power supply (mains-independent operation). Approved batteries are available from retail outlets. The removable cover at the back of the gauge allows for easy battery replacement. (Note: battery replacement must be done outside the hazardous ATEX area.)
Technical data and graphs
Upper measuring limit in mbar/hPa 1060 mbar Upper measuring limit in torr 795 torr Lower measuring limit in mbar/hPa 1 Lower measuring limit in torr 1 torr Measurement principle Ceramic diaphragm (alumina), capacitive, gas indep., absolute pressure Accuracy of measurement < +- 1 mbar/hPa/torr / +- 1 digit (after adjustment, constant temp.) mbar/hPa/torr ATEX conformity II 2G EX ib IIC T4 Gb Temperature coefficient < 0.15 mbar/hPa/0.11 torr /K mbar/hPa/torr /K Vacum connection Small flange KF DN 16, PTFE tubing connection 10/8 mm, hose nozzle DN 6/10 mm Lower ambient temperature (storage) -10 °C Upper ambient temperature (storage) 60 °C Lower ambient temperature (operation) 10 °C Upper ambient temperature (operation) 40 °C Max. media temperature for continuous operation 40 °C Max. media temperature short term 80 °C Automatic switch-off User-selectable: 1-600 min (default 5 min) or continuous operation min Measurement cycle User-selectable: Automatic or 1 x per 3s, 1 x per 1s, 3 x per 1s Material of outer housing Robust plastic housing with good chemical resistance Protection class IEC 60529 IP 40 Protection class front side IEC 60529 6 Power supply 9 V battery Weight 0.4 kg Dimension L in mm 117 mm Dimension B in mm 117 mm Dimension H in mm 91 mm Vacuum sensor Integr. Typical battery lifetime 4.000 h, stand-by: 30.000 h h NRTL certification No Items supplied Vacuum gauge complete with integrated vacuum sensor, including battery, hex key, connecting parts and manual. Downloads
Vacuum gauge DVR 3pro,PTB 19 ATEX 2004 X: II 2G EX ib IIC T4 Gb*** Alkaline-Manganese Dioxide-Zinc-Batteries! Not restricted - No dangerous goods transportaccording IATA SP A123 and ADR/RID/IMDG code. ***DVR 3pro Vacuum gaugeEquipment
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![Rubber vacuum tubing, DN 8,price per meter]()
DN 8 mm, sale per meter Rubber vacuum tubing- Natural rubber + SBR
- Nominal width DN 8 mm
- Sale per meter
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