P04 INSTRUMENT HISTORY

 

PRP   INSTRUMENTS    SOAR   SOAROPS

 

2000-03

System shipped RSMAS to BNL for preparation for calibration.

Note: condition from RSMAS was very bad. It had considerable soot/oil contamination. The FRSR diffuser was very dirty. We cleaned it as much as we could, but it still seems a little off color.

This unit has an old 848 B&W pyranometer. It appears that water and salt have entered the instrument. One can see salt crystals inside the dome. On inspection, the o-ring for the desiccant plug seems to have been broken and repaired by adding another o-ring on top of the old one. This does not seal properly.

2001-04-29

Electronic re-calibration. Prpcal_04_0104 is almost identical to PrpCal_04_med00 done a year ago.

2001-05-04

Deployed on Mt. Lemmon for calibration.

2001-06-12

Returned to BNL. Heater circuit problems.

2001-06-20

At BNL, heater problem resolved.. Corrosion in the cable was found right at pin 1 (the head thermistor.)

2001-06-21

Ship to RSMAS for Gulf of Mexico Cruise on R/V Justo Sierra. Expected return 1 Aug.

2001-11-27

Changed shaft o-rings and the motor case cover. The cover now has a "D" hole for the Conxall.

2002-01-02

Examined the erroneous head temperature readings. The first head temp. reading taken by the A to D after the system goes into LOW MODE is bad while the rest are normal. We've decided to leave this alone and continue to monitor the readings.

2002-01-16

Re-calibrated the electronics in preparation of taking the unit to the Akademic Ioffe in Ushoya. Installed on the roof.

2002-05-28

Received P04 from RSMAS today for calibration and maintenance.

2002-08-07

Sent head 462 to YES for calibration. Received a new PSP from RAMAS to replace the 8-48 sensor that was there. Did a thermistor calibration on the PIR. Roof tested for about 2 weeks. Shipped to Bob Evans on Thursday 08/29/02.

2003-04-27

Received at BNL for maintenance.