Flow Control
5850TR/FA1B20
Brooks Instrument TR Series Thermal Mass Flow Controller
About this part
5850TR/FA1B20 is a configured Brooks Instrument 5850TR/F TR Series thermal mass flow controller identifier observed in auction evidence. Official Brooks 5850TR documentation supports the model-family identity, MFC function, 15 VDC and 24 VDC manual context, configurable model-code structure, and family-level performance specifications. Treat gas, range, seals, fitting, cable, power, approval, calibration, and service compatibility as unit-specific details that must be verified from the physical unit label and calibration records
Configurations vary. Verify the exact unit before choosing a replacement.
No archived photo available
Key Facts
ManufacturerBrooks Instrument
Part number5850TR/FA1B20
Product familyConfiguration-specific
Device typeMass Flow Controller
Configuration statusConfiguration varies
Application classSemiconductor/high-purity gas delivery
CategoryFlow Control
Specifications
Identification
| Configured part identifier | 5850TR/FA1B20 |
| Model family | Brooks Model 5850TR / TR Series MFC |
| Device type | Elastomer-sealed thermal mass flow controller / mass flowmeter-controller platform |
| Official legacy status | Brooks legacy products documentation identifies Model 5850TR as an elastomer-sealed thermal mass flow controller and provides separate 15 VDC and 24 VDC installation manuals |
Function
| Control architecture | Brooks 5850TR documentation describes the controller as a gas mass-flow measuring and controlling device with a flow sensor, control valve, and integrated electronic control system |
Configuration
| Configured-unit rule | Gas, full-scale flow, valve type, operating pressure, I/O type, connector, fitting, cable, power supply, approval, seal material, OEM code, and calibration details vary by full model code and unit label |
| Model-code context | The Brooks 5850TR 15 VDC manual includes a 5850TR/F mass flow meter and controller model listing with option positions for seals, valve type, electrical connection, mechanical connection, interconnection cable, and power input; no verified official document is currently available names or fully decodes the exact FA1B20 suffix |
Performance
| Accuracy | Brooks 5850TR manuals list +/-1% full scale accuracy including linearity measured at calibrated conditions |
| Repeatability | Brooks 5850TR manuals list +/-0.25% full scale repeatability |
| Rangeability | Brooks 5850TR manuals list 50:1 rangeability |
Flow
| N2-equivalent family flow range | Brooks 5850TR manuals list full-scale ranges from 10 mln/min to 20 ln/min based on nitrogen equivalent; the exact configured gas and range must be read from the unit label or calibration records |
Electrical
| Flow output and setpoint context | Brooks 5850TR documentation includes 0-5 VDC flow output/setpoint input; the 24 VDC manual also documents 0/4-20 mA options depending on model code |
| Power supply versions | Brooks manuals cover +/-15 VDC and +24 VDC configurations; power input is configuration-dependent |
Pressure
| Operating pressure context | Brooks 5850TR documentation lists normally opened and normally closed 100 bar valve versions, with higher-pressure variants depending on configuration |
Environmental
| Ambient/gas temperature | Brooks 5850TR manuals list ambient/gas temperature range of 0 C to 65 C |
Leak integrity
| External leak integrity | Brooks 5850TR manuals list outboard helium leak integrity of 1 x 10^-6 mbar l/s |
Materials
| Wetted materials context | Brooks 5850TR manuals list stainless steel wetted parts with Viton, PTFE, Buna-N, or Kalrez depending on configuration |
Mechanical
| Mechanical connection options | Brooks 5850TR documentation lists options including 9/16-18 UNF, tube compression, VCR, VCO, NPT, 6 mm tube compression, and BSP-style connections depending on configuration |
Observed configuration
| Auction identity context | Stored auction evidence and one listing records identify this exact configured identifier as a Brooks 5850TR Series mass flow controller; no verified available evidence is currently available states the unit gas or full-scale range for FA1B20 |
Applications
| Application domain | Semiconductor gas handling, analytical equipment, environmental instrumentation, process gas, and other manual, electronic, or computer-controlled gas-flow applications |
Documentation Downloads
Local PDF copiesPart Photos
0 imagesHistorical archive images for identification, labels, connectors, and condition reference, not current inventory.
Historical Listings & Prices
Historical listing data, not a current offerArchive records2Tracked historical listing records
Historical median price$537.30Based on archived listing records
Recorded price range$477.60 - $597.00Low to high recorded listing price
Local documents2PDF copies available from Sonisys
Recorded price context
The typical recorded price range is $489.54 to $585.06. Based on 2 archived listing records; not a current offer, appraisal, or confirmed sale price.
View archived listing titles
- Brooks 5850TR Series 5850TR/FA1B20 5850TRFA1B20 Mass Flow Controller
Archived listings
Other Part Numbers & Aliases
5850TR/FA1B205850TRFA1B20Brooks 5850TR/FA1B20Brooks Instrument 5850TR/FA1B20