Alicat Whisper: Low Pressure Drop Portable Mass Flow Meter - Standard Configuration

  Default configuration: Serial communication over micro-USB Micro USB-B connector Back-lit monochrome display Power supply and communication cables are included   Specification Summary: Pressure drop of 0.07 psi with 0.5 SCCM to 5 SLPM units, at full scale flow venting to atmosphere. See tech specs below or contact us for more information. Accuracy: 0.8% of the reading or 0.2% of full scale (0.4% & 0.1% optional high accuracy upgrade). + 0.2% full-scale repeatability (NIST-traceable). Linear range: 0.5-100% of full scale (200:1). Multi-gas calibration: 98-130 gases preloaded, plus COMPOSERTM gas composition firmware. Typical measurement response time constant: 5-10 ms No warm-up time required Battery: rechargeable Li-ion (1880 mAh). Charging over Micro-USB (cable and AC wall adapter included). Lifetime warranty: unaffected by bumps, humidity or changes in orientation.   Spec Sheets 0.5 - 5 SCCM Meter Specification Sheet10 SCCM - 100 SLPM Meter Specification Sheet250 - 1000