Overview
Description
The FS1025 comprises a MEMS flow sensor mounted on a circuit board with an amplification circuit and a flow housing.
The FS1025 is capable of measuring liquid mediums. The sensor utilizes thermopile sensing, which provides an excellent signal-to-noise ratio and is ideal for applications requiring low power. It is highly sensitive at low flow rates with a very fast response time.
The set of upstream and downstream thermopiles can be used independently in a single-ended circuit or connected in a differential configuration. The upstream and downstream thermopiles are connected to an amplifier with a 0V to 4.5V output.
Features
- Measures liquid mediums
- Robust solid isolation technology
- No cavity in MEMS sensor to cause clogging
- Resistant to vibration and pressure shock
- Low power application
- Fast response time
- 0V to 4.5V output
- Supply voltage: 5VDC
- Operating temperature range: 0 °C to +85 °C
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 157 KB | |
| Application Note | PDF 135 KB | |
| Product Change Notice | PDF 87 KB | |
| Product Brief | PDF 236 KB | |
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Design & Development
Boards & Kits
Evaluation
SDAF0x
Obsolete
Mass Flow Sensor Evaluation Kit
The FS2012-EVK mass flow sensor evaluation kit, featuring the FS2012 high performance and fully calibrated mass flow rate module for non-corrosive gas or liquid flow. The kit comes with all the necessary cables and hardware to evaluate the FS2012, as well as demonstration software with data...
Recommended Documents:
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
Product Options
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Support
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Support Communities
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Waterproofing a FS1025-DL water flow sensor.
Hello All, I am in need of a sensor to measure water flow but it may be partially submerged. I think the FS1025-DL would be perfect for the application except for the lack of waterproofing. I would like to know the feasibility of opening the case and using protecting ...
Nov 10, 2022 -
FS1025-DL to measure petrol
Hi, Is the 1025 able to measure petrol? And is this sensor available to buy now? I don't see it much on your site? Thanks Danny
Jun 28, 2024 -
FS1025 sensor flow direction
Hi,Can sensor FS1025 read flow in both directions? Or does the flow of water have to be in one direction only? Thanks
Jan 22, 2024
FAQs
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FS1025 - Calibration on FS1025-DG
Yes, FS1025-DG has a linearized output curve.
Dec 1, 2023 -
FS1025 - Sensor die on FS1025-DL and FS1025-DG
Yes. The difference between the two is based on calibration procedure (gas has a full calibration sweep). Liquids were decided to have a 2 point calibration only for production efficiency.
Dec 1, 2023 -
FS1025 - Calibration on FS1025-DL
The FS1025-DL is NOT a fully calibrated module over the entire span of the flow range. It features a trimmed span from zero flow to full scale, 0 to 7 liters/min. We trim these two flow points to be the same for each module. The curve for ...
Dec 1, 2023