Differential Pressure Gauges, Switches, Transmitters
ALVI Technologies/Gas Alarm Systems – India – Auatralia offer differential pressure measuring and monitoring field instruments for use in wide area of industries including process industry, building, MEP, HVAC, oil & Gas, chemical, food processing, nuclear, petrochemical, hydro, power plants etc.
ALVI- India can offer products for safe area application as well as for hazardous area application with ATEX, EEx, SIL 2 certification. Products can be installed for all types of media – water, liquids, aggressive liquids, sewage, waste water, hydrocarbon, chemicals, food. We can customize the products suitable to customer specifications.
ALVI – India offers :
| Model | Make | Type | Application / Approvals | Measuring Range | Contact Media | Key Features | Datasheets |
| 901 | Beck | Switch | Non-hazardous area, safe | 0-20 mbar | Liquids, gases – also aggressive | Adjustable switch knob, for pressure, vacuum, differential pressure; media temperature: -20° to +85° cel | http://alviautomation.com |
| 901 Ex | Beck | Switch | Hazardous area zone 0, zone 1, zone 2, ATEX certified | 0-20 mbar | Liquids, gases – also aggressive | Adjustable switch knob, for pressure, vacuum, differential pressure; media temperature: -20° to +85° cel | http://www.alviautomation.com |
| 930 | Beck | Switch | Non-hazardous area, safe | 0-4000 Pa | Air, non-aggressive gases | adjustable switch knob, for pressure, vacuum, differential pressure | http://www.alviautomation.com |
| 930 Ex | Beck | Switch | Hazardous area zone 0, zone 1, zone 2, ATEX certified | 0-4000 Pa | Air, non-aggressive gases | adjustable switch knob, for pressure, vacuum, differential pressure | http://www.alviautomation.com |
| 984m | Beck | Transmitter | Non hazardous area, safe | 0-100 Pa to 0-250 kPa | Air, non-aggressive gases | To measure differential pressure, over pressure and vacuum pressure; dual pressure range jumper selectable; 0-10V / 4-20mA output, with/without display | http://www.alviautomation.com |
| DE38_S | Fischer | Transmitter, switch | For hazardous area Zone 22, dust explosion proof, ATEX certified EEx | 0-400 mbar to 0-6 bar | clean, non-corrosive gases, liquids | Transmitter with switch, with/ without display, limit detection relays, LVDT sensing; flow, level, diff. pressure measurement; IP 65 per DIN
EN69 |
http:www.alviautomation.com |
| DA03 | Fischer | Gauge | Non hazardous area, safe | 0 – 40 mbar to 0 -25 bar (or as per requirement) | Air, water, liquids, aggressive media, chemicals, process industries | With / without Adjustable limit contacts, with / without Proximity type non-contact limit detector; with / without Pointer position transducer with electrical signal output | http://www.alviautomation.com |
| DA03 ATEX | Fischer | Gauge | Explosive, hazardous Areas, ATEX, SIL2 | 0 – 40 mbar to 0 -25 bar (or as per requirement) | Air, water, liquids, aggressive media, chemicals, process industries | With / without Adjustable limit contacts, with / without Proximity type non-contact limit detector; with / without Pointer position transducer with electrical signal output | http://www.alviautomation.com |
| DE38 | Fischer | Transmitter, switch | For safe area application | 0-400 mbar to 0-6 bar | clean, non-corrosive gases, liquids | Transmitter with switch, with/ without display, limit detection relays, LVDT sensing; flow, level, diff. pressure measurement; IP 65 per DIN EN 60529 | http://www.alviautomation.com |
| DE38_R | Fischer | Transmitter, switch | For hazardous area Zone 2, gas explosion proof, ATEX certified EEx | 0-400 mbar to 0-6 bar | clean, non-corrosive gases, liquids | Transmitter with switch, with/ without display, limit detection relays, LVDT sensing; flow, level, diff. pressure measurement; IP 65 per DIN EN 60529, | http://www.alviautomation.com |
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