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VSH Vacuum Transducer

Product catalog summary

Overview: The document provides technical specifications and features of Smartline vacuum transducers, specifically focusing on the VSH series which utilizes a combination of Pirani and Hot Cathode Bayard Alpert measurement principles. These transducers are designed for precise vacuum measurement and are compatible with various digital interfaces including RS485, EtherCAT, and PROFINET.

Key Features:

Digital RS485 interfaces with 0-10 V output signal, supporting EtherCAT or PROFINET for enhanced communication.
Exchangeable sensor heads with stored calibration data for easy maintenance and replacement.
Large LCD display for user-friendly operation, except in EtherCAT and PROFINET models.
Protection class up to IP54, ensuring durability in various environments.
Intelligent sensors designed for Industry 4.0 integration, facilitating simplified system integration.
Metal sealed stainless steel sensor cell suitable for ultra-high vacuum (UHV) applications.

Technical Specifications:

Measurement Range: 1000 to 5e-10 mbar.
Accuracy: Varies with pressure range, approximately 30% for 1000-10 mbar and 10% for 10-1e-8 mbar.
Repeatability: 2% for 10-1e-2 mbar and 5% for 1e-2-1e-8 mbar.
Materials: Stainless steel, tungsten, nickel, glass, platinum, iridium, and yttria oxide.
Operating Temperature: +5 to +60°C, with specific limits for PROFINET models.
Voltage Supply: 20-30 VDC with a maximum power consumption of 8 W.

Model Variants: The VSH series includes multiple models with different connection types and features, such as:

VSH87D, VSH88D, VSH89D: RS485 and 0-10 V output.
VSH87DL, VSH88DL, VSH89DL: RS485, 0-10 V output, and LCD display.
VSH87E, VSH88E, VSH89E: EtherCAT and RS485.
VSH87PN, VSH88PN, VSH89PN: PROFINET and RS485.

Accessories: The document lists various accessories including replacement sensor heads, protective cases, power supplies, and software for data visualization and analysis.

Catalog excerpts

VSH - Smartline Vacuum Transducer Pirani / Hot Cathode Absolute Pressure 1000 to 5 x 10-10 mbar Overview VSH vacuum transducer n Wide range combination sensor Pirani / Bayard Alpert Excellent accuracy and repeatability Bayard Alpert with blowing resistant, yttrium coated double filament Switch-on of the hot cathode at lower pressure enhances durability Automatic control of the hot cathode by the Pirani Seperate gas correction factors for Pirani and hot cathode Longterm tests confirm excellent life time: up to 100,000 shock venting cycles Overview Smartline vacuum transducers n Digital RS485 interfaces plus 0-10 V output signal, EtherCAT or PROFINET, Bluetooth adapter SLKBT for wireless communication PROFINET transducers support MRP Exchangeable sensor heads with stored calibration data Large LCD display (exc. EtherCAT, PROFINET) Readjustment of zero and atmosphere by pushbutton or interface LEDs for device status and switch points Two independent, potentialfree relay switch points (exc. EtherCAT, PROFINET) Protection class up to IP54 0-10 V output signal can be scaled according to the required output characteristics. Exchange of existing vacuum gauges easily, independent of the manufacturer, without programming effort Intelligent sensors for simplified integration according to Industry 4.0 standards Metal sealed stainless steel sensor cell, suitable for UHV (He leackage rate <5e-10 mbar l / s) Expansion with 2 channel controller VD12 or 4 channel controller VD14 possible VacuGraphTM Windows software for visualisation, analysis and storage of measuring data

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VSH - Smartline Vacuum Transducer Pirani / Hot Cathode Absolute Pressure 1000 to 5 x 10 -10 mbar Technical Data Measurement Principle Heat conduction Pirani / Hot Cathode Bayard Alpert, dep. on gas type Measurement Range 1000 - 10 mbar: Approx. 30 % f. r., 10 - 1e-8 mbar: Approx. 10 % f. r. Materials With Vac. Contact Stainl. steel 1.4307, tungsten, nickel, glass, platinum, iridium, yttria oxide Filaments Bayard Alpert Yttria coated iridium Emission Current Degas Method Ohmic heating of the anode Reaction Time 50 ms (switching of emission current < 2s) Operating Temperature Storage Temperature...

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VSH - Smartline Vacuum Transducer Pirani / Hot Cathode Absolute Pressure 1000 to 5 x 10 -10 mbar Model designations VSH87DL DN 25 ISO-KF, 0-10 V, RS485, LCD display VSH88DL DN 40 ISO-KF, 0-10 V and RS485, LCD display VSH89DL DN 40 CF-F, 0-10 V and RS485, LCD display VSH87E VSH88E VSH89E DN 25 ISO-KF, EtherCAT and RS485 DN 40 ISO-KF, EtherCAT and RS485 DN 40 CF-F, EtherCAT and RS485 VSH87PN DN 25 ISO-KF, Profinet and RS485 VSH88PN DN 40 ISO-KF, Profinet and RS485 VSH89PN DN 40 CF-F, Profinet and RS485 VD1288P: Set including a 2 channel controller VD12, VSH88D, measuring cable 2 m 70 (VSH89) Replacement...

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VSH Vacuum Transducer

VSH Vacuum Transducer

Catalog excerpts

All Thyracont Vacuum Instruments GmbH catalogs and technical brochures