Programmable precision vacuum pressure transducer with steel diaphragm sensor
VSM-1 Vacuum pressure transducer
- Measurement range 0.1 to 1,333 mbar (0.1 to 1,000 Torr)
- All-welded diaphragm vacuum pressure sensor
- 4-20 mA, 0-10 VDC and setpoint switch output
- Programmable settings, range and configuration via S4-Connect™
- Compact and robust 316 stainless steel design
ADVANTAGES SERIES
- All-welded corrosion resistant stainless steel diaphragm
- Temperature drift compensated
- Configurable with plug and play USB communicator
- Robust ultra compact 316 stainless steel design
- IP67 enclosure for harsh environments
- Optional solid-state setpoint relay for process control
The VSM-1 series vacuum transmitter is designed for measurement in a variety of industrial applications. Its modular compact design offers a unique combination of high measurement performance, flexible configuration and a robust stainless steel design. Applications include vacuum fore-line surveillance, freeze-drying and heat treatment furnaces. The VSM-1 is programmable and configurable from a PC via the novel S4-Connect™ interface.
Diaphragm sensor technology
he VSM-1 transducer is based on a 316 stainless steel sensor diaphragm that converts the applied pressure to an electric signal. The ceramic sensor surface in combination with the 316 stainless steel flange and internal Viton® sealing offers excellent chemical resistance and compatibility with a wide range of aggressive gases, solvents and acids. The VSM-1 sensor is built to last and can withstand continuous vibrations and instant pressure changes from vacuum to atmosphere.
VSM-1 VACUUM TRANSMITTER SPECIFICATIONS
Specifications |
|
| Measuring range | 0.1 to 1,300 mbar (0.1 to 1,000 mbar) |
| Measuring principle | Stainless steel membrane absolute or gauge |
| Accuracy | 0.75 % of reading |
| Thermal drift (offset) | +/- 0.15% of full-scale |
| Output signal (Voltage version) | 0-10 VDC (Programmable scaling by S4-Connect™) |
| Output resolution (Voltage version) | 16 bit / 150 nV |
| Output signal (Current version) | 4-20 mA(1) (Programmable scaling by S4-Connect™) |
| Output resolution (Current version) | 16 bit / 244 nA |
| Solid state relay contact rating (optional) | 250 mA, 50 VDC / VAC peak |
Environment conditions |
|
| Operating ambient temperature | -40 to +100 °C (-40 to +212 °F) |
| Media temperature | -50 to +150 °C (-58 to 302 °F) |
| Storage ambient temperature | -40 to +125 °C (-40 to +257 °F) |
| Maximum media pressure | 2000 mbar |
| Burst media pressure | 3000 mbar |
| Mounting position | Any |
| Protection rating, EN 60529/A2:2013 | IP67 (2), IP65 (3) |
| Humidity, IEC 68-2-38 | 98%, non-condensing |
Power supply |
|
| Supply voltage | 12-30 VDC |
| Power consumption (Voltage version) | 240 mW (Max) |
| Power consumption (Current version) | 600 mW (Max) |
| Reverse polarity protection | Yes |
| Overvoltage protection | Yes |
| Internal fuse | 100 mA (Thermal recoverable) |
Materials |
|
| Enclosure | SS 1.4404 / AISI 316 |
| Electrical connector DIN 175301-803A | PA Nylon |
| Electrical connector M12 IEC 61076-2-101 | PA Nylon, Nickel plated Zinc alloy |
| Process connection | SS 1.4404 / AISI 316L |
| Process leak tightness (ISO 27895:2009) | <1·10-9 mbar·l/sec. |
Approvals |
|
| CE | EN61000-6-2, EN 61000-6-3Pressure directive 97/23/CE |
| RoHS compliance |
Directive EU 2015/863 |
- 4-20 mA NAMUR NE43 compliant signal.
- IP67 for product versions with IEC 61076-2-101 M12 connector.
- IP65 for product versions with DIN EN 175301-803 A connector.
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