Flow Control
T5-A8
Brooks Instrument 5866EB1A1B2SUAA Model 5866E Pressure Controller — Archive Key
About this part
T5-A8 is the Sonisys archive key for a Brooks Instrument Model 5866E compact pressure controller associated with full model code 5866EB1A1B2SUAA. Model 5866 regulates upstream or downstream gas pressure using an integral pressure transducer, control electronics, and a modulating valve. T5-A8 is not documented as a Brooks model or part number. Exact pressure range, control direction, valve type, seals, fittings, and analog I/O require the unit label, serial-numbered manufacturer record, or configuration documentation
Configurations vary. Verify the exact unit before choosing a replacement.
No archived photo available
Key Facts
Specifications
| Archive identifier | T5-A8; not documented as a Brooks manufacturer identifier |
| Associated manufacturer model code | 5866EB1A1B2SUAA |
| Documented product series | Brooks Instrument Model 5866E compact pressure controller |
| Function | Integral-transducer upstream or downstream gas-pressure regulation |
| Available full-scale pressure ranges | 7.25 to 1,450 psia with elastomer seals; 7.25 to 72.5 psia with metal seals |
| Flow capacity | 0 to 30,000 sccm nitrogen equivalent at 0°C and 101 kPa reference conditions |
| Accuracy | ±1.00% of full scale, including linearity and hysteresis |
| Repeatability | ±0.1% of full scale |
| Control range | 20:1 |
| Zero stability | 0.001% of full scale per 30 days |
| Ambient and gas temperature | 0 to 65°C (32 to 150°F) |
| Control adjustment | Proportional gain adjustable from 1% to 200%; integration time adjustable from 0.05 to 5 seconds |
| Analog output options | Standard 0–5 VDC; optional 0–10 VDC, 0–20 mA, or 4–20 mA |
| Pressure-setpoint input options | Standard 0–5 VDC; optional 0–10 VDC, 0–20 mA, or 4–20 mA |
| Electrical connection | 15-pin male D-connector (DA-15P) |
| Valve configurations | Normally closed standard; normally open optional |
| Power requirements | Normally closed: 3.5 W, +15 VDC at 35 mA and −15 VDC at 180 mA; normally open: 10.5 W, ±15 VDC at 350 mA |
| Process connections | Standard 1/4-inch stainless-steel compression fittings; multiple compression, VCR, VCO, and NPT options were available |
Identifier and Configuration Boundary
The archive key and manufacturer model code serve different roles.
Brooks Model 5866 Installation and Service Notes
These instructions apply to the Model 5866 family; unit-specific process-safety requirements remain controlling.
- Allow approximately 15 minutes after power-up for temperature stabilization.
- The control valve provides precision modulation but is not a positive shutoff; use a separate in-line shutoff valve when positive isolation is required.
- Controller direction and valve type were determined when ordered; conversion requires mechanical changes.
- The controller may be installed in any position.
- After exposure to toxic, pyrophoric, flammable, or corrosive gas, purge thoroughly with a dry inert gas before disconnecting process connections.
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 offerThe typical recorded price range is $180.00 to $180.00. Based on 1 archived listing record; not a current offer, appraisal, or confirmed sale price.
View archived listing titles
- BROOKS PRESSURE CONTROLLER 5866 FR:30 SLPM 5866EB1A1B2SUAA GAS:N *READ** T5-A8