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Related Manuals for Brooks Instrument VersaTorr BVT125
Summary of Contents for Brooks Instrument VersaTorr BVT125
- Page 1 Installation & Operation Manual VersaTorr BVT125 Ultra-wide Range Vacuum Gauge...
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Page 2: Table Of Contents
Table of Contents General information ....................... Symbols used ........................ Intended use ........................Safety information ......................Disposal in the European Union ..................Warranty ........................Returns.......................... Liability .......................... BVT125 vacuum gauge ....................About the BVT125 vacuum gauge ................. BVT125 MEMS Pirani ATM vacuum gauge applications ..........Part numbers ......................... - Page 3 Table of Contents Quick data acquisitions (Q) ................... Temperature measurement (T) ..................Unit (U) ......................... Statistics (STAT) ......................Switch function (Optional) ....................Configuration of setpoint ......................Pre-configuration of setpoint values ..................Product information and identification ..................Serial number........................ Part number ........................Manufacturer identity .....................
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Page 4: General Information
Brooks Instrument has taken reasonable care to ensure that the content of its published information and specifications is accurate and up-to date. However, Brooks Instrument does not guarantee or warrant that the content of the published information is error-free. Brooks Instrument reserves the right to change its product specifications without prior notice. -
Page 5: Bvt125 Vacuum Gauge
If the serial label should become unreadable, the serial- and part numbers are also stored in the internal non- volatile memory and can be read using the Brooks Vacuum Transducer Communicator™ USB programmer and communicator. See page 26. Disposal symbol Part number Serial number Pressure signal Supply voltage range Instruction Manual VersaTorr BVT125... -
Page 6: About The Bvt125 Vacuum Gauge
This method provides a measurement value relative to ambient pressure that allows accurate control of ventilation of vacuum chamber to ambient pressure. The MEMS-Pirani provides measurement resolution down to 1.00E-6 mbar (7.5E-7 Torr). Instruction Manual VersaTorr BVT125... -
Page 7: Bvt125 Mems Pirani Atm Vacuum Gauge Applications
Each setpoint can programmed to a setpoint and hysteresis value that can be assigned to the pressure reading relative to ambient pressure or the wide-range absolute range. Instruction Manual VersaTorr BVT125... - Page 8 Such applications include mass spectrometers, scanning electronics microscopes and freeze-drying equipment. Instruction Manual VersaTorr BVT125...
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Page 9: Part Numbers
The BVT125 is available with different electrical connections and process fittings. The illustration below is an example of the BVT125 with DN16KF, RS-232/Brooks Vacuum Transducer Communicator™, 0.5-9.6 VDC analog output, mbar unit, 3 relays and 15-pin HD D-sub connector. Instruction Manual VersaTorr BVT125... -
Page 10: Configuration Accessories
Brooks Vacuum Transducer Communicator USB programmer, 1.5 m cable, D- sub, 9-pin BVT-S4-RJ45 Brooks Vacuum Transducer Communicator™ USB programmer, 1.5 m cable, RJ45, 8-pin BVT-S4-HIR6 Brooks Vacuum Transducer Communicator™ USB programmer, 1.5 m cable, Hirschmann GO-6, 6-pin Instruction Manual VersaTorr BVT125... -
Page 11: Software For Configuration And On-Screen Measurement
Software for configuration and on-screen measurement The Brooks Vacuum Transducer Communicator™ and RS-232/485 software is freeware and can be downloaded from the Brooks Instrument website: https://BrooksInstrument.com/support/ Calibration The BVT125 is delivered factory-calibrated with a calibration test report. An optional accredited calibration traceable to national standards can also be supplied with the BVT125 gauge. -
Page 12: Electrical Connection (D-Sub)
REL COM Relay 2 Common REL NO Relay 2 NO (normally open contact) REL NC Relay 3 NC (normally open contact) REL COM Relay 3 Common REL NO Relay 3 NO (normally open contact) (1) Optional relay Instruction Manual VersaTorr BVT125... -
Page 13: Electrical Connection (Rj45/8P8C Connector)
Supply voltage – (return) Analog voltage signal + REL COM Relay 1 Common RS-232TX RS-232 Transmit / RS-485 (-) Analog voltage signal – (return) RS-232RX RS-232 Receive / RS-485 (+) (1) Optional relay Electrical connection (RJ45/8P8C connector) Instruction Manual VersaTorr BVT125... -
Page 14: Status Led
LED that smoothly changes color throughout the pressure range. This selectable visual function is a low-cost alternative to integrated displays and provides a rough visual indication of the measured pressure. It also provides a clear visual warning if the vacuum system is pressurized above ambient pressure. Instruction Manual VersaTorr BVT125... -
Page 15: Signal-To-Pressure Conversion (0-10 Vdc Voltage Output)
Configuration and list of analog output options can be found on page 17-18. Digital vacuum pressure and temperature measurement The real-time digital vacuum gas pressure value and vacuum gas temperature can be acquired through the digital interface. Refer to digital command set on page 17. 2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 16: Brooks Vacuum Gauge Communicator Communication
PC software via a USB interface to the digital core of the gauge. It is compatible with both 4-20 mA current output and 0-10 VDC voltage output transducers from Brooks Instrument. It is intended for configuration, calibration and setup of the unit, but it can also be used to acquire measurement data and perform diagnostics using a PC. -
Page 17: Brooks Vacuum Gauge Communicator Led Signals
The USB-to-Serial Converter is the quickest and simplest way to provide connectivity between an RS-232 or RS-485 capable Brooks Instrument gauge and a computer or other compatible device. Featuring a built-in switch-mode power supply, the converter eliminates the need for an external power supply. - Page 18 General note: all valid input parameters written in italics are to be entered as a number. These numbers will vary with the type and model number of the gauge. Refer to the specific commands for details. Setpoint solid-state relay is optional and is not relevant for all part numbers. 03/2022 VersaTorr BVT125 Installation & Operation Manual...
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Page 19: Device Address (Adr)
5.00 – 9.995 VDC Edwards DV6M 2.00 – 10.00 VDC Edwards APG-M 2.00 – 10.00 VDC MKS Granville Phillips GP275 (0-9.0 VDC) 0 – 9.00 VDC Thyracont MT 241.1 0.41 – 9.99 VDC 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 20: Set Baud Rate (Baud)
Example: Change the baud rate to 115.200: Send: @254BAUD!115200\ Reply: @253ACK115200\ Button Enabled (BTN) Enable or disable the feature to perform Pirani zero-adjustments and Differential Piezo zero-adjustments via the BVT125’s push-button. Example: Disable the push-button. Send: @254BTN!OFF\ Reply: @253ACKOFF\ 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 21: Sensor Failure Handling (Fail)
SOLID The LED is solid green. DYNAMIC The LED changes color to reflect the measured pressure. Example: Have the LED change color as a function of the measured pressure. Send: @254LED!DYNAMIC\ Reply: @253ACKDYNAMIC\ 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 22: Pressure Measurement (P)
Configuration of the quick data acquisition: Send: @254Q!PZ,PIR,CMB,SETP,TEMP\ Reply: @ACK1.0000E-2,1.2300E-2,1.2300E-2,23.24,101 Read the currently configured Q-configuration: Send: @254Q?CONFIG\ Reply: @ACKPZD,PIR,CMB,SP,TEMP\ Parameters Description Piezo diaphragm vacuum pressure measurement Ambient pressure measurement Relative to ambient pressure measurement (PZV-PZA) 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 23: Temperature Measurement (T)
The BVT125 has a built-in high-resolution precision temperature sensor that provides a temperature measurement of the vacuum gas in degrees Celsius with a typical accuracy of better than ±1 °C. Reading the temperature: Send: @254T?\ Reply: @ACK25.22\ 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 24: Unit (U)
INFORMATION: All values related to pressures like setpoint values and full-scale must be entered in the current unit for the gauge. When changing unit all setpoint values are converted to the new unit and consequently setpoint functionality will remain intact when changing unit. 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 25: Statistics (Stat)
HOURS : 37\ Reading the temperature statistics: Send: @254STAT?T\ Reply: @254ACKSTAT<cr> MIN : 2.345E+01<cr> MAX : 3.123E+01<cr> HOURS : 37\ Clearing the statistics (parameter is left out, so pressure is assumed): Send: @254STAT!CLEAR\ Reply: @254ACKCLEAR\ 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 26: Switch Function (Optional)
(NC contact closed) until the hysteresis value is exceeded. Then it will change to energized (NO contact closed). The relay will de-energize (NC contact closed) again when the setpoint value is exceeded. 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 27: Configuration Of Setpoint
<SETPOINT #>, <ABOVE, BELOW> Setpoint Enable <SETPOINT #>, <OFF/ON> Setpoint Hysteresis <SETPOINT #>, <PRESSURE VALUE> Setpoint Value <SETPOINT #>, <PRESSURE VALUE> Setpoint Source (pressure or temperature) <SETPOINT #>, <P/T/CMB/VAC/ATM/DIFF/PIR> Read all setpoint settings 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 28: Pre-Configuration Of Setpoint Values
Pre-configuration of setpoint values The BVT125 gauge can be delivered with custom defined setpoint values. Contact Brooks Instrument sales team for more information. Product information and identification The BVT125 has a serial number, product part number, manufacturer identity and firmware version programmed in its internal non-volatile memory. -
Page 29: Zero Adjustment Switch
Following command example will perform a zero adjustment at 5.00E-5 mbar: 1. Adjust the vacuum pressure to a known value 2. Send command: @254VAC!5.00E-5\ 3. Reply: @254ACK<value>\ 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 30: Adjustment Of The Ambient Pressure Zero Point
1. Expose the vacuum flange to barometric ambient pressure and press the 2. Press the zero switch for 2 seconds 3. The LED will strobe green after completion of atmospheric zero adjustment or red if the gauge is not able to perform zero adjustment. 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 31: Adjustment Of Full-Scale
@254ATD!1003.5\ Reply: @253ACK5.00E-1\ In the above example, the “5.00E-1” value in the BVT125’s reply indicates the offset applied to the Atmospheric Piezo in order to match the reference pressure supplied by the user. 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 32: Resetting To Factory Default
Brooks Instrument offers pre-configuration of user parameters, and if the product is delivered with a special user configuration, the factory default command will reset to the original user configuration as delivered. -
Page 33: 900 Series Vacuum Gauge Compatibility
Setpoint 3 direction ABOVE, BELOW Setpoint 3 enable OFF, ABS, DIFF Setpoint 3 hysteresis <PRESSURE VALUE> Serial number Sensor temperature Pressure unit MBAR, PASCAL, TORR Pirani Zero adjustment No input or <PRESSURE VALUE> 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 34: Specifications
Humidity, IEC 68-2-38 98%, non-condensing Accuracy and repeatability specifications are typical values measured at ambient temperature in Nitrogen atmosphere after zero adjustment. (10) Refer also to maximum pressure rating for the used fittings. 03/2022 VersaTorr BVT125 Installation & Operation Manual... - Page 35 , Si , gold, Viton ® , low out-gassing epoxy resin, solder, RO4305 Process leak tightness <1·10 mbar·l/s Enclosure AISI 304L / Aluminum 6061 Approvals EMC directive 2014/30/EU RoHS compliance Directive EU 2015/863 03/2022 VersaTorr BVT125 Installation & Operation Manual...
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Page 36: Accessories
9 p D-sub female to 15 p D-sub male with 3 m cable BVT-F15DSM15DS-005 9 p D-sub female to 15 p D-sub male with 5 m cable BVT-F15DSM15DS-010 9 p D-sub female to 15 p D-sub male with 10 m cable 03/2022 VersaTorr BVT125 Installation & Operation Manual... -
Page 37: Declaration Of Conformity
Limitation of voltage changes, voltage fluctuations and flicker in public low- EN 61000-3-3:2008 voltage supply systems EN 63000:2018 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances 03/2022 VersaTorr BVT125 Installation & Operation Manual... - Page 38 Brooks Instrument can provide customer seminars and dedicated training to engineers, end users and maintenance persons. Please contact your nearest sales representative for more details. Due to Brooks Instrument's commitment to continuous improvement of our products, all specifications are subject to change without notice. TRADEMARKS Brooks is a trademark of Brooks Instrument, LLC All other trademarks are the property of their respective owners.