BASIS™ compact mass flow controllers provide reliable control for applications with limited space. The controllers are small enough to fit in the palm of the hand, and designed for durability. The lightweight, compact design conserves space in cabinets and enclosures and is competitively priced for bulk purchases, making it a good fit for OEM installations.
- Accurate flow control in a compact, durable, metal flow body
- 100 % of full-scale measurement and control range (1,000:1 turndown)
- Switch between 9 gases: Air, N2, O2, CH4, He, H2, Ar, CO2, N2O
- Built‑in totalizer ideal for dosing or batches
- Run sophisticated flow‑control scripts using a fast, robust Alicat ASCII command set
Full Scale Flow Ranges
100 SCCM-100 SLPM
Operating Pressure Range
0-145 PSIG
BASIS™ Series Controller

Image Credit: Alicat Scientific, Inc.
- Simplified automation
- User-friendly status LED
- Integrated proportional control valve
- Control response time as quickly as 100 ms
- Accuracy as good as 1.5 % of the reading or 0.2 % of the full scale, whichever is greater
BASIS Series Compact Manifold

Image Credit: Alicat Scientific, Inc.
- Built to spec
- Easily connect to PC or PLC
Build Options
Source: Alicat Scientific, Inc.
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Communication Protocols |
RS-232 Serial (default) RS-485 Serial Analog (4-20 mA or 0-5 Vdc) Modbus RTU (over RS-232 or RS-485) |
| Displays |
None |
| Process Connections |
NPT or SAE |
| Ingress Protection |
IP40 |