BASIS™ BC–Series: OEM Gas Mass Flow Controllers

BASIS™ BC–Series OEM Mass Flow Controllers deliver fast and accurate gas flow control in a compact, economical package for high-quantity orders.
  • Fast, accurate control. Equipped with high-accuracy MEMS sensor and provides readings with NIST-traceable accuracy of ±(1.5% of reading + 0.5% of full scale) and repeatability of ±0.5% of reading.
  • Responsive. Industry-leading control speed and adjustable PID valve tuning ensure your product operation is not interrupted by pressure spikes.
  • Compatible. A small footprint, calibration for multiple gases, and dual analog-digital communications for greater design flexibility.

Request a quote

Accessories included with purchase

Device specs and customization options

Quick Specs
BASIS BC-Series performance (most products)
  • Available full scale ranges: 100 SCCM to 50 SLPM
  • Steady state control range: 0.5% – 100% of full scale
  • Calibration accuracy, NIST-traceable: ±(1.5% of reading + 0.5% of full scale)
  • Repeatability: ±0.5% of reading
  • Typical control response time constant: 100 ms
  • Warm-up time: 70 ms
BASIS BC-Series operating conditions
  • Compatible gases: Air, Ar, CO2, N2, O2, N2O (selectable over serial connection); He or H2 calibration (for use with one gas only)
  • Operating temperature: 0°C to +50°C
  • Max operating pressure: 160 PSIA (75 PSIA for 0–20 SLPM ranges)
  • Proof pressure: 190 PSIA
  • STP reference conditions: 25°C & 1 atm
Device Ranges & Full Specs

Devices are custom ranged from 100 SCCM full scale to 50 SLPM full scale. Most devices have a controllable range of 0.5% to 100% of full scale (range dependent).

For a comprehensive device guide, read the BASIS™ controller operating manual.

Device Customization Options
Build and performance options
  • Communication protocols: Analog 0–5 Vdc, RS–232, RS–485, Modbus–RTU
  • Process connections: NPT, SAE
Optional Accessories
Accessories | Sold separately
  • Process port fittings and filters
  • Communications/power cables

Not exactly what you’re looking for?

  • Check out our other pressure or flow control and measurement solutions.
  • Our expert team of applications engineers is available to provide additional information, discuss your application, or answer any questions you may have.

Contact an applications engineer

Questions about this product?

WordPress Video Lightbox Plugin