Brooks Model 5850i Mass Flow Gas Controller

US $389.99

  • Montreal, Quebec, Canada
  • Jan 29th
This is a pre-owned Brooks mass flow gas controller, a mass flow measurement device designed for accurately measuring and rapidly controlling flows of gases. The item was not tested, but it appears to be in an impeccable condition. The Brooks Model 5850i Mass Flow Controller is used  in the Semiconductor Industry as well as many others, where manual, electronic or computer controlled gas handling occurs. The Model 5850i consists of three basic units: a flow sensor, a control valve and an integral electronic control system. This combination produces a stable gas flow, which eliminates the need to continuously monitor and readjust gas pressures. Specifications: Standard Ranges: 3 sccm to slpm* (nitrogen equivalent) Accuracy: ±1% full scale including linearity at calibrated conditions ±1.5% full scale including linearity for flow ranges greater than 20 slpm. Repeatability: 0.25% of rate Response Time: Less than 6 seconds to within 2% of full scale final value with a 0 to 100% command step. Power Requirements: +15 to +28 Vdc — 245 mA @ +15 Vdc to 370 mA @ +28 Vdc Ambient Temperature Limits: Operating: 5 to 65°C (40 to 150°F) Non-Operating: -25 to 100°C (-13 to +212°F) Working Pressure: 1500 psi (10.342 MPa) maximum Output Signal: 0-5 Vdc into 2,000 ohms or greater. Maximum ripple 3 mV. Jumper selectable 4-20 mAdc or 0-20 mAdc Temperature Sensitivity: Zero: Less than ±0.075% full scale per degree C. Span: Less than ±1.0% full scale shift over 10-50°C range. The unit comes with the instruction manual.
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand Brooks
Model 5850i

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