Data Centre Environmental Sensor DCES-DTRHF-SER1CH-v1
Project description
Data centre environmental sensor - Dust, Temperature, Relative Humidity, Fan - Serial 1 channel - version 1.
An environmental sensor for Data Centers that continuously measures
airborne particle density in high airflow as well as temperature and
relative humidity.
It can control its fan speed if needed (PWM controlled fans) and
monitors FAN rotational speed (tachometer equipped fans) for precise
airflow control and monitoring.
The device is close to maintenance free and can be integrated in compact
enclosures (for example tape drive tray or even an ATX PSU
case...).
dces-dtrhf-ser1ch-v1 production board in drive tray connected to a
Raspberry Pi 2*
Main Features
- USB serial interface for external measurements readings
- Precise calibrated relative humidity and temperature report
- Reporting HIH6120 sensor readings
- Precise and fast dust measurements
- 1Hz measurements are possible (can be faster if needed, just let me know about your use case)
-
NON CALIBRATED READINGS REPORTED, since the HVAC sensor used
is not calibrated, you have to do the calibration process
yourself
- Calibration instructions if you want to report reasonable readings
- Uncalibrated monitoring is enough to catch possible dust pollution
- Generic FAN support for airflow control
- Generic 4 pin fans supported (V+, V-, PWM, Tachometer)
- Precise speed control with PWM
- Precise rotational speed measurement with tachometer
- Generic 4 pin fans supported (V+, V-, PWM, Tachometer)
- 2 LEDs status report
- 1 LED dedicated to malfunction report (fan speed at 0 RPM)
- Cheap and easy to source components
Project information
- Of data and dust, CERN Bulletin article, March 2016
- Hardware-Components
- Users
- Software
- Frequently Asked Questions
Contacts
Commercial producers
- none yet
General question about project
- Julien Leduc - CERN
Status
Date | Event |
---|---|
19-09-2014 | First ideas for a Data centre environmental sensor for use at CERN. |
06-02-2015 | Prototype calibrated against a commercial sensor and working very well. |
25-03-2015 | Prototype results and implementation plans presented at HEPIX meeting. |
01-04-2015 | 2.5 month training period for a student in applied electronics to develop production sensors. |
01-07-2015 | Used in CERN computer centre in Oracle tape libraries. |
07-10-2015 | Presented at Large Tape User Group conference in Barcelona raising interest from several tape users (Proximus, BBC...). |
21-10-2015 | CERN Technology Transfer team supports project. |
12-11-2015 | Presented at IBM storage workshop, raising again a lot of interest (Fraunhofer...). |
23-11-2015 | Presence on ohwr. Schematics will be ported to KiCAD. |
08-03-2016 | Article Of data and dust published in the CERN Bulletin |
Julien Leduc - 9 March 2016