The Brooks SLA5850S1BAB1B2A1 is an elastomer-sealed digital gas mass flow controller engineered for precise hydrogen (H2) regulation at a full-scale flow rate of 300 SCCM. Built with a 316L stainless steel meter material, this Revision B mass flow controller features a normally closed (NC) valve with Viton valve seats and O-rings. It operates at a maximum pressure of 1500 psig (103 BAR) and a maximum temperature of 149F (65C), with a calibrated operating temperature of 50C. Designed for horizontal base-down mounting, it includes a 1/4-inch compression process connection and a 15-pin D-connector for electrical interfacing. The unit runs on a 24 Vdc power supply, supports smart emulation communication at a 19200 baud rate, and utilizes 0-5V input and output signals. It features a 0.0055 orifice size with a sintered restrictor (size code P), standard response output enhancement, and a standard Brooks label for safe area certification.
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| Manufacturer | Brooks |
|---|---|
| Country | |
| Part number | SLA5850S1BAB1B2A1 |
| Inner Code | 4463894 |
| Product type | Elastomer Digital Gas Mass Flow Controller |
|---|---|
| Base Model | SLA5850 REV B Mass Flow Controller |
| Max Press | 1500 psig [103 BAR] |
| Max Temperature | 149F [65C] |
| Temperature | 50C |
| Meter Material | 316L SS |
| Valve Type | NC |
| Valve Seat | Viton |
| O-Ring | Viton |
| Elect Conn | 15-pin D-Conn |
| Proc Conn Sz | 1/4-in |
| Conn Type | Comp |
| Fs Flow Rate | 300 SCCM |
| Gas | H2 |
| Inl Pressure | 10 psig |
| Out Pressure | 0 psia |
| Cal Ref Temp | 0C |
| Input Signal | 0-5V |
| Output Sig | 0-5V |
| Comm | Smart Emulation |
| Baudrate | 19200 |
| OutputEnh | Std Response |
| PwrSplyIn | 24 Vdc |
| Cert | Safe Area |
| Mtg Att | Horizontal base down |
| Calibration | Standard Calibration |
| Orifice Size | 0.0055 |
| Restrictor Type | Sintered |
| Restrictor Size | Size code P |
| N2 E. Gas Factor | 1.008 |
| N2_EQ | 0.297619 NLPM |
| Viscosity | 0.0094 |
| Density | 0.0001 GM/CC |
| Specific Heat | 14.3425 J/g K |