<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000">Hello Marco,<br><br>The name of the sensor is Michell Instruments Easidew Online Dew-point Hygrometer.<br><br>http://www.michell.com/us/products/easidew-online.htm<br><br>Best regards,<br>Tyler<br><br><hr id="zwchr" data-marker=""><div data-marker=""><b>From: </b>"Tyler Lemon" <tlemon@jlab.org><br><b>To: </b>"dsg-rich" <dsg-rich@jlab.org><br><b>Sent: </b>Wednesday, November 29, 2017 3:20:17 PM<br><b>Subject: </b>[Dsg-rich] PPM humidity sensor for RICH<br></div><br><div data-marker=""><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello Marco Mirazita,<br></div><br><div>This is to inform you that we have a spare hygrometer that measures the dewpoint or concentration of water in air.<br></div><br><div>We have the sensor on hand, but we still need the read-out instrumentation. Marc has gone to Hall B to get the read-out instrumentation that we could use.<br></div><br><div>We will have to convert the output of the sensor, in dewpoint or ppm, to relative humidity to be able to compare the hygrometer measurements to the interlock humidity sensors.<br></div><br><div>Best regards,<br></div><div>Tyler<br></div></div><br>_______________________________________________<br>Dsg-rich mailing list<br>Dsg-rich@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-rich<br></div></div></body></html>