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canonical_url: "https://www.artisantg.com/Scientific/66059-3/Sierra-Instruments-841-20-0-Mass-Flow-Controller"
json_url: "https://www.artisantg.com/Scientific/66059-3/Sierra-Instruments-841-20-0-Mass-Flow-Controller.json"
generated_at: "2026-11-07T02:50:30.277Z"
last_updated: "2026-05-29T14:26:29.303-05:00"
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# Sierra Instruments 841-20-0 Mass Flow Controller

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Sierra Instruments
- Model: 841-20-0
- Condition: Used and in Excellent Condition
- Price: $995.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 15 lb
- Shipping dimensions: 20X16X14 in

## Categories

- Lab & Analytical > Controllers (primary)

## Details

This Sierra Instruments 841-20-0 Mass Flow Controller is used and in excellent condition.

### Configuration

- Channels: 1
- Gas: He
- Range:0-2
- Units: Grams/Sec
- Output: 0-5 VDC, Linear

Input Voltage: 110 VAC

## Images

- <https://www.artisantg.com/itemimages/sierra_instruments_841_20_0_view1_201652384059.jpg>
- <https://www.artisantg.com/itemimages/sierra_instruments_841_20_0_view2_201652384059.jpg>
- <https://www.artisantg.com/itemimages/sierra_instruments_841_20_0_view3_201652384059.jpg>
- <https://www.artisantg.com/itemimages/sierra_instruments_841_20_0_view4_201652384059.jpg>