Kestrel Relative Humidity Calibration Kit Скачать руководство пользователя | Manualshive

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Kestrel® Weather and Environmental Meters are
designed and manufactured in the USA

By

NIELSEN-KELLERMAN

319024_2_17.04.25

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Содержание Relative Humidity Calibration Kit

Страница 1: ...ative Humidity Calibration Kit For calibrating the following Kestrel Meters Model Numbers 3000 3500 4000 4200 4250 4300 4400 4500 4600 Not to be used for calibrating Kestrel 5 Series units or Kestrel DROPs ...

Страница 2: ...e refer to Standard Practice for maintaining Constant Relative Humidity by Means of Aqueous Solutions ASTM Designation E104 85 reapproved 1996 for additional information While the calibration process is simple it is important that you follow the steps carefully A careless calibration could enter incorrect values into the unit and degrade its performance ...

Страница 3: ...rforming within specifications This manual explains in detail all of the steps for recalibrating your Kestrel s humidity Sensor This process will take approximately 50 hours including setup and calibration Ensure that you are performing the calibration in a climate controlled environment such as a home or office and make sure your calibration location is not near any windows or air conditioning or...

Страница 4: ...vious method Please familiarize yourself with the new process Note Only place one Kestrel unit in each calibration jar at a time Attempting to calibrate more than one unit in each jar at the same time will reduce RH calibration accuracy If you are attempting to calibrate multiple units the process can be overlapped so that while the first Kestrel unit is equilibrating in the second jar the second ...

Страница 5: ...uid water above the salt 1 Open the two labeled jars Remove the two plastic spacer grids from the jars 2 Open the sealed vial labeled Sodium Chloride 75 30 and dump the salt into the bottom of the jar with the same label 3 Fill the small measuring cup to the RED line marked NaCl 13 ml with distilled or clean tap water Add to jar 4 Using a stirring stick stir the solution for at least a minute Plea...

Страница 6: ...librate more than one unit at a time will reduce RH calibration accuracy Note The plastic spacers should not be used for the calibration of the Kestrel 4400 4600 as they will not fit When placing the Kestrel 4400 4600 in the jar inserting it upside down is recommended The black globe is more easily cleaned when transferred from one salt jar to the next than the bottom of the Kestrel Note The salt ...

Страница 7: ...button at the same time to start the RH Calibration routine if on the unit may be turned off by holding down the center button With P1 showing press the center button again to bring up the first calibration point value Scroll till 32 8 is showing then press the center button With P2 showing press the center button again to bring up the second calibration point value Scroll till 75 3 is showing the...

Страница 8: ...trel 3000 3500 4000 4600 units the 1st jar will be the 32 8 RH jar For Two Button 3000 units the 1st jar will be the 75 3 jar If calibrating a Three Button Kestrel 3000 3500 ensure the lanyard is hanging on the front side of the unit opposite from the RH sensor hole in the rear Ensure the lanyard is not in contact with the salt water solution 3 Close the zipper case with all three jars inside and ...

Страница 9: ...rst calibration measure ment is taken The screen will flash between C1 and the preprogramed RH calibration value for 60 minutes till the first calibration measurement is taken Once complete the screen will display C2 6 Make a note of what time the calibration routine will end 60 min for Kestrel 3000 3500 or 60 120 minutes for Kestrel 4000 4600 units depending on what was set 7 After ensuring the l...

Страница 10: ...wo Button With the screen showing C2 press Mode to start the 60 minute timer till the second calibration mea surement is taken The screen will flash between C2 and the preprogramed RH calibration value for 60 minutes till the second calibration measurement is taken 11 Make a note of what time the calibration routine will end 60 min for Kestrel 3000 3500 or 60 120 minutes for Kestrel 4000 4600 unit...

Страница 11: ...ty For Kestrel 4000 4600 units go into the settings menu and turn off Auto Shutdown 4 Place your Kestrel in one of the two salt jars and let it sit for 30 min inside the insulated zipper pouch 5 Remove the salt jar and read the display through the jar 6 Repeat the process in the 2nd jar If the difference between the Relative Humidity reading displayed on the Kestrel and the intended humidity liste...

Страница 12: ...Kestrel Weather and Environmental Meters are designed and manufactured in the USA By NIELSEN KELLERMAN 319024_2_17 04 25 ...

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