Sierra Mass Flow Controller 840-M-1-V1, 0–30,000 SCCM for Air Used

Sierra Instruments Inc. 840 Series Mass Flow Controller, Model 840-M-1-V1, 0–30,000 SCCM, Air

Condition:

Used, in excellent cosmetic condition with minor scuffs and scratches from regular handling and storage. This unit is untested, but based on our inspection, we are confident it is in good working order.

Here’s what we know about it:

The Sierra Instruments 840-M-1-V1 Mass Flow Controller delivers precise gas flow regulation, ideal for applications requiring high accuracy. It is suitable for industrial, laboratory, and research settings.

Key Details:

Model: 840-M-1-V1

Flow Range: 0–30,000 SCCM (Standard Cubic Centimeters per Minute)

Gas Type: Air

Orifice Size: 0.073 inches

Seal Material: Viton

Output Signal: 0–5 VDC

Pressure Rating: 30 PSIG input, ambient output

Standard Conditions: 70°F operation

Features:

High Accuracy: Offers ±1% of full-scale accuracy, ensuring reliable performance.

Durable Construction: Constructed with 316 stainless steel, allowing compatibility with most clean gases, including corrosive types.

Cleanable Sensor Tube: Features a patented, large-diameter sensor tube with access ports for easy cleaning, reducing maintenance downtime.

Fast Response Time: Equipped with a fast-response control valve that provides rapid response to setpoint changes and operates over a wide pressure differential range.