Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
CS451 20010046 2016-06-24 Mayberry Water Level Removed Lab none Removed from the Mayberry tower for testing. Replaced with new probe from DFW system
CS451 70011236 2016-06-24 Lab none Installed Twitchell Rice Water Level Installed on the Twitchell Rice tower to replace the existing sensor that had a diurnal wave in its data.
CS450 20010770 2016-06-24 Twitchell Rice Water Level Removed Lab none Removed from the Twitchell Rice tower due to diurnal wave in the data. Replace with new sensor from DFW equipment
PTB110 H0160069 2016-06-24 East End Barometer Removed Lab none Removed from East End because it was reading low and erratically.
CS511 DO-3 2015-09-02 Mayberry DO Sensor C Removed Lab none
LI-820 CGA-556 2016-06-16 Tonzi-Tower Calibration Tonzi-Tower Last calibration was 2016-05-26 Cell T = 52.2, Pressure = 92.0
Zero Air offset = 5.0ppm
Span CO2 405ppm offset = 0.0ppm
Zero 0.9461 -> 0.9472
Span 0.8499 -> 0.8496
GP-001 GP20160003 2016-06-16 Lab none Installed Tonzi-Tower Installed at the 2nd lowest inlet to test as replacement for closed path system
GP-001 GP20150084 2016-06-16 Lab none Installed Tonzi-Tower Installed at the lowest inlet to test as replacement for closed path system
CR6 2115 2016-06-16 Lab none Installed Tonzi-Tower Installed to collect data from Eosense CO2 probes being tested for CO2 profile.
BB-Fab BB-TF 2016-06-16 Tonzi-Floor Upgrade Tonzi-Floor Set aside on battery that exploded. Other three tested okay. Added four more that were last at East End.
BB-Fab BB-EE 2016-03-24 East End Battery Bank Upgrade East End Battery Bank I swapped the batteries on the solar system. Four old batteries were removed and six new group 27 deep cycle flooded batteries were installed. Five of the new batteries have a date of 2/16 and one is 1/16.
BB-Fab BB-EE 2016-03-08 East End Battery Bank Maintenance East End Battery Bank I disconnected all the batteries and tested them individually. One of the older ones was warm to the touch and completely failed the load test. One of the batteries I added on 2015-11-20 also failed the load test. I removed these two batteries from the bank.
LI-7500A 75H-2514 2016-06-03 Lab none Calibration Lab none Last calibration: 2016-02-09
AGC=103.3 SDM=6 DAC1=- DAC2=-
Ambient P=100.04kPa, Tair=25.86C, Tdew=13.67C
Zero Air at 500psi, God CO2 421.22 at 500 Tdewspan=15.08
CO2 zero 0.905 -> 0.9047 Offset: -1.32ppm
CO2 span 1.0028 -> 1.0055 Offset: -1.52ppm
H2O zero 0.8364 -> 0.8368 Offset: 15.3ppm
H2O span 1.0226 -> 1.0150 Offset: 0.16ppm
Notes: The spars were very dirty with clinging dust.
LI-7500A 75H-2176 2016-06-03 Lab none Calibration Lab none Last calibration: 2016-02-22
AGC=90.7 SDM=6 DAC1=- DAC2=-
Ambient P=100.05kPa, Tair=24.56C, Tdew=12.80C
Zero Air at 500psi, God CO2 421.22 at 500 Tdewspan=15.08
CO2 zero 0.8692 -> 0.8688 Offset: -1.68ppm
CO2 span 1.0205 -> 1.0175 Offset: 1.63ppm
H2O zero 0.8564 -> 0.8571 Offset: 4.3ppm
H2O span 1.0136 -> 1.0281 Offset: -0.3ppm
Notes: The spars were very dirty with clinging dust.
LI-7500A 75H-2514 2016-06-06 Lab none Installed Twitchell Alfalfa Gas Analyzer CO2/H2O Installed at Twitchell alfalfa to replace sn 75H-2180 for calibration.
LI-7500A 75H-2176 2016-06-06 Lab none Installed West Pond Gas Analyzer CO2/H2O installed at west pond to replace sn 1594 for calibration.
LI-7500A 1594 2016-06-06 West Pond Gas Analyzer CO2/H2O Removed Lab none removed from west pond for calibration, replaced by sn 75H-2176
LI-7500A 75H-2180 2016-06-06 Twitchell Alfalfa Gas Analyzer CO2/H2O Removed Lab none Removed from tower in Twitchell alfalfa for calibration, replaced by sn 75H-2514.
TR-525I-R1 24875-999 2010-09-10 Lab none Installed Vaira Precipitation Reinstalled on the Vaira tower after testing in the lab. The testing revealed that the problem was a bug in the data logger program that was recording instantaneous values instead of 30min averages.
KU265-6MCA 158APW4M0000190 2016-05-24 Lab 0 Installed Sherman Wetland Solar Panel A Installed on the Sherman Wetland tower at the initial set up of the site.
KU265-6MCA 158APW4M0000193 2016-05-24 Lab 0 Installed Sherman Wetland Solar Panel B Installed on the Sherman Wetland tower at the initial set up of the site.
SD130BN 0030F4D21491 2016-06-06 Lab none Installed Sherman Wetland Camera Initial installation at the Sherman Wetland Tower.
GP-001 GP20150101 2016-05-24 Lab none Installed Sherman Wetland CO2 Probe Installed on the Sherman Wetland tower at the initial set up of the site. In the air unil the site is flooded.
PQS 1 140454 2016-05-24 Lab none Installed Sherman Wetland PAR Sensor Incoming Installed on the Sherman Wetland tower at the initial set up of the site. It is in the incoming posistion.
PQS 1 140450 2016-05-24 Lab none Installed Sherman Wetland PAR Sensor Reflected Installed on the Sherman Wetland tower at the initial set up of the site. It is in the reflected posistion.
PTB110 L2510774 2016-05-24 Lab none Installed Sherman Wetland Barometer Installed on the Sherman Wetland tower at the initial set up of the site. Installed in the data logger box.
HMP60 L2310736 2016-05-24 Lab none Installed Sherman Wetland RH & Temp Installed on the Sherman Wetland tower at the initial set up of the site.
HFP01 11325 2016-05-24 Lab none Installed Sherman Wetland Heat Flux Plate C Installed on the Sherman Wetland tower at the initial set up of the site.
HFP01 11329 2016-05-24 Lab none Installed Sherman Wetland Heat Flux Plate B Installed on the Sherman Wetland tower at the initial set up of the site.
HFP01 11328 2016-05-24 Lab none Installed Sherman Wetland Heat Flux Plate A Installed on the Sherman Wetland tower at the initial set up of the site.
SRS-Ni NDVI 882103059 2016-05-24 Lab none Installed Sherman Wetland Narrow Band NDVI Incoming Installed on the Sherman Wetland tower at the initial set up of the site. It is in the incoming posistion and using SDM address C.
SRS-Pi PRI 912903006 2016-05-24 Lab none Installed Sherman Wetland Narrow Band PRI Incoming Installed on the Sherman Wetland tower at the initial set up of the site. It is in the incoming posistion and using SDM address A.
SRS-Nr NDVI 943203022 2016-05-24 Lab none Installed Sherman Wetland Narrow Band NDVI Reflected Installed on the Sherman Wetland tower at the initial set up of the site. It is in the reflected posistion and using SDM address D.
SRS-Pr PRI 930203026 2016-05-24 Lab none Installed Sherman Wetland Narrow Band PRI Reflected Installed on the Sherman Wetland tower at the initial set up of the site. It is in the reflected posistion and using SDM address B.
CS451 70011234 2016-05-24 Lab none Installed Sherman Wetland Water Level Installed on the Sherman Wetland tower at the initial set up of the site.
AM25T 7909 2016-05-24 Lab none Installed Sherman Wetland Multiplexer Thermocouple Installed on the Sherman Wetland tower at the initial set up of the site.
NR01 2466 2016-05-24 Lab none Installed Sherman Wetland Net Radiometer 4-way Installed on the Sherman Wetland tower at the initial set up of the site.
TE525MM 65552-615 2016-05-24 Lab none Installed Sherman Wetland Precipitation Installed on the Sherman Wetland tower at the initial set up of the site.
AM16/32B 21689 2016-05-24 Lab none Installed Sherman Wetland Multiplexer Met Installed on the Sherman Wetland tower at the initial set up of the site.
CR1000 38211 2016-05-24 Lab none Installed Sherman Wetland Data Logger Met Installed on the Sherman Wetland tower at the initial set up of the site.
WM 1590 153803 2016-05-24 Lab none Installed Sherman Wetland Anemometer Installed on the Sherman Wetland tower at the initial set up of the site.
LI-7550 AIU-1569 2016-05-24 Lab none Installed Sherman Wetland Interface LI-7550 Installed on the Sherman Wetland tower at the initial set up of the site.
LI-7700 TG1-0423 2016-05-24 Lab none Installed Sherman Wetland Gas Analyzer CH4 Installed on the Sherman Wetland tower at the initial set up of the site.
LI-7500A 75H-2668 2016-05-24 Lab none Installed Sherman Wetland Gas Analyzer CO2/H2O Installed on the Sherman Wetland tower at the initial set up of the site.
NL115 13054 2016-06-02 Lab none Installed Sherman Wetland Interface NL115 Added to CR1000 sn 38211 at the Sherman Wetland tower in preparation of installing a Stardot Phenocam
LI-820 CGA-556 2016-05-26 Tonzi-Tower Calibration Tonzi-Tower Last calibration was 2016-02-09
Cell T = 52.2, Pressure = 92.0
Zero Air offset = 16.4ppm
Span CO2 405ppm offset = -19.4ppm
Zero 0.9423 -> 0.9461
Span 0.8220 -> 0.8499

Changed Pressure output range from 1.33331998E3 to 115kPa
LI-7500A 0065 2016-05-24 Lab none Installed Twitchell Rice Gas Analyzer CO2/H2O Installed at Twitchell Rice tower to replace sn 75H-2176 for calibration
LI-7500A 75H-2176 2016-05-24 Twitchell Rice Gas Analyzer CO2/H2O Removed Lab none Removed from Twitchell Rice tower for calibration and replaced with sn 0065
LI-7500A 75H-2150 2016-05-24 Lab none Installed East End Gas Analyzer CO2/H2O Installed LI7500 at East End tower, replaced sn 75H-2514 which was taken down for calibration.
LI-7500A 75H-2514 2016-05-24 East End Gas Analyzer CO2/H2O Removed Lab none Removed LI7500 from East End tower for calibration. Replaced with LI 75H-2150.
LI-7500A 75H-2668 2016-05-20 Lab none Upgrade Lab none Upgraded embedded software from 7.5.0 to 8.0.0
LI-7700 TG1-0423 2016-05-20 Lab none Calibration Lab none Calibration Location: Lab
Last calibration: 2015-07-23 (Factory)
RSSI=79.4%, Optical RH=18%
Ambient P=100.08kPa, Tair=22.6C
Zero Air at 500psi, 17-07-2013 CH4 Tank 4.995 at 500
CH4 Zero Offset: 0.03ppm
CH4 Span Offset: 0.006ppm
Notes: Uneventful calibration. Previous calibration was factory.
LI-7500A 75H-2668 2016-05-20 Lab none Calibration Lab none Last calibration: 2015-07-22 (Factory)
AGC=100.22 SDM= DAC1= DAC2=
Ambient P=100.03kPa, Tair=21.23C, Tdew=9.06C
Zero Air at 600psi, NOAA "Good Co2" 421.22 at 500 Tdewspan=15.09
CO2 zero 0.9380 -> 0.9385 Offset: 1.79ppm
CO2 span 1.0021 -> 1.0136 Offset: 6.22ppm
H2O zero 0.8966 -> 0.8969 Offset: 1.4ppm
H2O span 1.0037 -> 1.0146 Offset: 0.23ppm
Notes: Upgraded from 7.5.0 to 8.0.0 embedded software. Last calibration was Factory - all setting from Factory cal were saved. Factory cal done at 749.7 ppm and 11.98 degC.
SD130BN 0030F4D2148D 2016-05-17 Lab none Installed Twitchell Alfalfa Installed on the camera post to over lap with existing Canon camera
ML2x 377/008 2016-05-17 Lab none Installed Twitchell Alfalfa Installed at -10cm to the southeast of the soil co2 box
ML2x 377/010 2016-05-12 Lab none Installed Twitchell Alfalfa Installed at -20cm to the northeast of the soil co2 box
HFP01 6491 2016-05-17 Twitchell Alfalfa Moved Twitchell Alfalfa moved from 3rd (west) channel on met CR1000 to the 3rd (NE) channel on the soil co2 CR1000
HFP01 6498 2016-05-17 Twitchell Alfalfa Moved Twitchell Alfalfa moved from 2nd (NW) channel on met CR1000 to the 2nd (SE) channel on the soil co2 CR1000
HFP01 6342 2016-05-12 Twitchell Alfalfa Moved Twitchell Alfalfa moved from 1st (W) channel on met CR1000 to the 1st (NE) channel on the soil co2 CR1000
LI-7500A 0035 2016-05-10 Lab none Installed Tonzi-Floor Installed on the Tonzi Floor to replace sn 0042 for calibration.
LI-7500A 0042 2016-05-10 Tonzi-Floor Removed Lab none Removed from the Tonzi Floor for calibration. Replaced by sn 0035.
LI-7500A 0041 2016-05-10 Lab none Installed Tonzi-Tower Installed on the Tonzi Tower to replace sn 0418 for calibration.
LI-7500A 0418 2016-05-10 Tonzi-Tower Removed Lab none Removed from the Tonzi Tower for calibration. Replaced by sn 0041.
LI-7500A 0073 2016-05-10 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed on the Vaira tower to replace sn 0976 for calibration.
LI-7500 0976 2016-05-10 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from the Vaira tower for calibration. Replaced by sn 0073.
LI-7500A 0065 2016-05-13 Lab none Calibration Lab none Last calibration: 2015-12-07
AGC=74.96 SDM=- DAC1=- DAC2=-
Ambient P=100.14kPa, Tair=20.14C, Tdew=8.2C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=15.09
CO2 zero 0.89 -> 0.8898 Offset: -0.57ppm
CO2 span 1.0164 -> 1.0149 Offset: 0.91ppm
H2O zero 0.7097 -> 0.7086 Offset: -7.4ppm
H2O span 1.0231 -> 1.0139 Offset: 0.19ppm
Notes: Calibration from H2O performed at 15.09C dew point instead of 11.09 which has been used previously. Use 15.09 from now on for a larger calibrated H2O range.
LI-7500A 75H-2150 2016-05-13 Lab none Calibration Lab none Last calibration: 2015-12-07
AGC=97.6 SDM=- DAC1=- DAC2=-
Ambient P=100.15kPa, Tair=20.52C, Tdew=8.5C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=15.09
CO2 zero 0.9019 -> 0.9020 Offset: 0.40ppm
CO2 span 1.0114 -> 1.0080 Offset: 1.84ppm
H2O zero 0.8671 -> 0.8668 Offset: -2.4ppm
H2O span 1.0258 -> 1.0109 Offset: 0.31ppm
Notes: Calibration from H2O performed at 15.09C dew point instead of 11.09 which has been used previously. Use 15.09 from now on for a larger calibrated H2O range.
LI-7500A 0035 2016-05-05 Lab none Calibration Lab none Last calibration: 2015-10-28
AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.0kPa, Tair=19.34C, Tdew=8.30C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=11.09
CO2 zero 0.9384 -> 0.9388 Offset: 1.46ppm
CO2 span 1.0237 -> 1.0216 Offset: 1.08ppm
H2O zero 0.903 -> 0.9018 Offset: -5.9ppm
H2O span 0.8731 -> 0.9928 Offset: -2.5ppm
Notes: Large offset in H2O span. I think a mistake was made last time when the dew point was set to the H2O mmol/mol value.

LI-7500A 0041 2016-05-05 Lab none Calibration Lab none Last calibration: 2015-10-28
AGC=50 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.03kPa, Tair=19.99C, Tdew=9.10C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=11.09
CO2 zero 1.0004 -> 1.0002 Offset: -0.7ppm
CO2 span 1.0107 -> 1.0128 Offset: -1.12ppm
H2O zero 0.8247 -> 0.8257 Offset: 5.0ppm
H2O span 0.8836 -> 1.0037 Offset: -2.5ppm
Notes: Large offset in H2O span. I think a mistake was made last time when the dew point was set to the H2O mmol/mol value.
LI-7500A 0073 2016-05-05 Lab none Calibration Lab none Last calibration: 2015-10-28
AGC=58 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=99.90kPa, Tair=19.2C, Tdew=8.98C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=11.09
CO2 zero 0.9584 -> 0.9579 Offset: -1.8ppm
CO2 span 1.0034 -> 1.0029 Offset: 0.18ppm
H2O zero 0.7403 -> 0.7385 Offset: -9.8ppm
H2O span 0.9201 -> 1.0159 Offset: -2.01ppm
Notes: Large offset in H2O span. I think a mistake was made last time when the dew point was set to the H2O mmol/mol value.
CS547A 5688 2016-04-28 Lab none Installed Mayberry Conductivity Sensor Installed new conductivity sensor. The old one was removed last time since it was reading weird numbers.
GP-001 GP20140084 2016-04-28 Lab none Installed Twitchell Alfalfa Replaced probe sn GP20140023 at 2cm depth since that was reading too high.
GP-001 GP20140023 2016-04-28 Twitchell Alfalfa Removed Lab none Probe was reading really high numbers. Brought back to lab for repairs. Replaced with sn 20140084
NOAA-CMDL CA07091 2013-01-23 Factory Disposed Factory This tank was traded or NOAA-ERL in exchange for a new tank sn CB09920
NOAA-CMDL CA07091 2013-01-23 Factory Calibration Factory Post use NOAA_ERL calibration 1898.51ppb CH4
NOAA-CMDL CA07091 2012-12-14 Lab none Shipped Factory This tank was shipped to NOAA_ERL for a post use calibration. It will be retained by NOAA in exchange for a new tank.
NOAA-CMDL CA04396 1999-08-01 Factory Tested Factory Original hydrostatic test 08A99 (August 1999). Next due August 2004.
NOAA-CMDL CA04119 1999-06-01 Factory Tested Factory Original hydrostatic test 06A99 (June 1999). Next due June 2004.
NOAA-CMDL CA03923 1999-02-01 Factory Tested Factory Original hydrostatic test 02A99 (February 1999). Next due February 2004.
NOAA-CMDL CA03911 1999-02-01 Factory Tested Factory Original hydrostatic test 02A99 (February 1999). Next due February 2004.
NOAA-CMDL CA04951 2001-03-01 Factory Tested Factory Original hydrostatic test 03A01 (March 2001). Next due March 2006.
NOAA-CMDL CB09920 2012-06-01 Factory Tested Factory Original hydrostatic test 06A12 (June 2012). Next due June 2017.
LI-7550 AIU-0614 2016-04-11 Lab none Upgrade Lab none Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
LI-7500A 75H-2182 2016-04-11 Lab none Calibration Lab none Last calibration: 2015-11-10
AGC=87.6 SDM=6 DAC1=- DAC2=-
Ambient P=100.48kPa, Tair=18.11C, Tdew=9.67C
Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=11.09
CO2 zero 0.8833 -> 0.8832 Offset: -0.23ppm
CO2 span 1.0197 -> 1.0198 Offset: -0.02ppm
H2O zero 0.8464 -> 0.8466 Offset: 0.8ppm
H2O span 1.0242 -> 1.0138 Offset: 0.21ppm
Notes: Firmware on AIU-0614 updated from v7.3.0 to v8.0.0 just before calibration
LI-7550 AIU-1285 2016-04-13 Mayberry Interface LI-7550 Upgrade Mayberry Interface LI-7550 Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
A547 3270 2016-04-13 Mayberry Interface A547 Removed Lab none Removed from Mayberry with conductivity probe sn 6097 due to bad readings. Needs to be tested in the lab.
LI-7550 AIU-0674 2016-04-13 Twitchell Alfalfa Interface LI-7550 Upgrade Twitchell Alfalfa Interface LI-7550 Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
LI-7550 AIU-0666 2016-04-13 West Pond Interface LI-7550 Upgrade West Pond Interface LI-7550 Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
LI-7550 AIU-0397 2016-04-13 East End Interface LI-7550 Upgrade East End Interface LI-7550 Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging.
CS511 DO-8 2016-04-13 Twitchell Rice DO Sensor Removed Lab none Removed with tower from field for planting. Needs to be serviced in the lab and reinstalled when the field is flooded.
LI-7550 AIU-0650 2016-04-13 Twitchell Rice Interface LI-7500 Upgrade Twitchell Rice Interface LI-7500 Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
LI-7700 TG1-0155 2016-04-13 East End Gas Analyzer CH4 Calibration East End Gas Analyzer CH4 Calibration Location: East End
Last calibration: 2015-09-30
RSSI=86.86%, Optical RH=12%
Ambient P=101.2kPa, Tair=20.94C
Zero Air at 950psi, AMP CH4 1.9966 at 850
CH4 Zero Offset: 0.002ppm
CH4 Span Offset: -0.010ppm
Notes: Gusty breeze
LI-7700 TG1-0223 2016-04-13 West Pond Gas Analyzer CH4 Calibration West Pond Gas Analyzer CH4 Calibration Location: West Pond
Last calibration: 2015-09-30
RSSI=84.2%, Optical RH=24%
Ambient P=101.74kPa, Tair=22.97C
Zero Air at 900psi, AMP CH4 1.9966 at 700
CH4 Zero Offset: 0.011ppm
CH4 Span Offset: 0.001ppm
Notes:
LI-7700 TG1-0211 2016-04-13 Twitchell Rice Gas Analyzer CH4 Calibration Twitchell Rice Gas Analyzer CH4 Calibration Location: Twitchell Rice
Last calibration: 2015-09-30
RSSI=66.1%, Optical RH=23%
Ambient P=102.1kPa, Tair=18.6C
Zero Air at 1000psi, AMP CH4 1.9966 at 950
CH4 Zero Offset: 0.018ppm
CH4 Span Offset: -0.010ppm
Notes: Gusty breeze, mirrors hard to get clean.
LI-7700 TG1-0357 2016-04-13 Mayberry Gas Analyzer CH4 Calibration Mayberry Gas Analyzer CH4 Calibration Location: Mayberry
Last calibration: 2015-09-30
RSSI=78.3%, Optical RH=7.5%
Ambient P=102.1kPa, Tair=15.8C
Zero Air at 1000psi, AMP CH4 1200 at 1.9966
CH4 Zero Offset: -0.024ppm
CH4 Span Offset: -0.009ppm
Notes: Gusty breeze, dropped the hood in the water before calibration - dried it off.
CS547A 6097 2016-04-13 Mayberry Conductivity Sensor Removed Lab none Removed from Mayberry tower together with interface module since it was giving bad readings.
LI-7500A 75H-2182 2016-04-13 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed at Mayberry tower to replace sn 75H-2150
LI-7500A 75H-2150 2016-04-13 Mayberry Gas Analyzer CO2/H2O Removed Lab none Taken down from Mayberry system for calibration and replaced with sn 75H-2182
GP-001 GP20140023 2015-09-30 Lab none Installed Twitchell Alfalfa This 2%(2.4% analog) probe was installed at the 2cm location to replace sn GP20140009.
GP-001 GP20140009 2015-09-30 Twitchell Alfalfa Removed Lab none This 2% probe was removed from the 2cm location at Alfalfa due to