Extech Instruments 42280A, User Manual

Page 1: ...User Manual Temperature Humidity Datalogger Model 42280A...

Page 2: ...2 Monitoring Mode Operation 8 5 MAX MIN Memories 9 6 Datalogger Mode 10 6 1 Datalogging Overview 10 6 2 Datalogger Configuration 10 6 2 1 Configuring the Datalogger using a PC 10 6 2 2 Configuring the...

Page 3: ...Alarm Statistics 21 8 Relative Humidity Calibration 22 8 1 Calibration Overview 22 8 2 Calibration Process 22 8 3 Calibration Notes 22 9 Specifications 23 10 Two year Warranty 24 10 1 Calibration and...

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Page 5: ...accuracy quick response to changes in ambient conditions and can be field calibrated using optional RH reference solutions 1 2 Product Features Large monitor simultaneously displays temperature RH da...

Page 6: ...e ordered separately Contact your Extech sales representative for more information 9 V power adapter The adapter is recommended for long datalogging sessions Relative humidity calibration salt solutio...

Page 7: ...d Note that if the REC icon is visible but not flashing this in dicates that a Start Delay has been programmed see Sec tion 6 2 The REC icon will flash when logging begins after the start delay Place...

Page 8: ...gger Start Stop button see Section 3 3 for complete button operation instructions 5 MAX MIN and RESET button 6 SETand ESC button 7 Up arrow and Dew Point DP button 8 Down arrow battery status BATT and...

Page 9: ...imum MN readings are displayed 7 RH reading updates every 10 seconds or at the sampling rate while datalogging 8 Date and Time alternate at 5 second intervals Year Month Date Y M D Hours Minutes Secon...

Page 10: ...l remain pow ered only the display will switch off Short press to step through Maximum MN and Minimum MN readings Long press to reset the MX MN memories See Section 5 for additional MAX MIN informatio...

Page 11: ...ck of the meter Figure 3 4 Back of meter showing wall mount hole 1 and battery compartment 2 3 5 Bottom of Meter The tripod mount 1 and the two detachable footer stands 2 are located on the bottom of...

Page 12: ...date time format see the configuration information in Section 6 2 Short press the DP button to show the Dew Point tempera ture on the middle display row replacing the RH measure ment The Air Temperat...

Page 13: ...real time readings MX and MN indicators switch off Figure 5 1 Maximum and Minimum readings display showing the MX and MN indicators To clear the memories long press the MAX MIN button until MX MN fla...

Page 14: ...g supplied software 6 2 Datalogger Configuration The datalogger must be configured before it can log data If you attempt to start logging without configuring the logger logging will not start Once log...

Page 15: ...on Tool Launch this application to begin configuring the datalogger Configure the software parameters as explained below Note that the num bered items below are not sequenced as instructional steps th...

Page 16: ...Cumulative Alarm Triggers when the average measurement exceeds the limit Disable Alarm No Alarm See Section 7 for complete Alarm information Disable 10 Alarm Delay For Cumulative alarms only a delay i...

Page 17: ...minutes The middle row shows the setting and the bottom row shows S for seconds or M for minutes Start Delay P2 Set the start delay time Sd from 0 minutes to 24 hours The middle row shows the setting...

Page 18: ...at the sampling rate in the datalogging mode The red Alarm LED will flash if a measurement exceeds the programmed lim its See Section 7 for details on Alarm functions For long logging sessions use the...

Page 19: ...press the START STOP button again 6 4 Stopping the Datalogger To stop the logger long press the START STOP button The REC display icon and the green recording LED will switch off Data is now ready to...

Page 20: ...vert to PDF or the Convert to Excel tab 2 Select the desired report language 3 Click the SAVE button 4 In the Save As window name the file choose a storage location for the log report and click Save 5...

Page 21: ...ing a PDF file the PDF report shown below will be opened and saved to your PC The units of measure and language used in the report are selected in the configuration process Section 6 2 Figure 6 3 PDF...

Page 22: ...tails 5 Temperature Alarm report For Alarm information see Section 7 6 RH Alarm report For Alarm information see Section 7 7 y axis Temperature and RH ranges 8 Temperature recorded data points 9 RH re...

Page 23: ...below will be opened and saved to your PC The information in the text file is essentially the same as the information shown in the PDF re port refer to Section 6 6 and Section 7 for report details and...

Page 24: ...m thresholds are set when you configure the da talogger see Section 6 2 The alarm threshold is a range of values that rep resent a normal measurement region Measurements outside this region will trigg...

Page 25: ...re provided in the logging reports generated by the 42280A as shown in Sections 6 6 and 6 7 Maximum readings Highest readings recorded over the course of the da talogging session Minimum readings Lowe...

Page 26: ...oximately 60 minutes the 32 8 display will stop flashing indi cating that the 33 calibration is complete 4 Plug the RH sensor into the 75 Calibration Reference bottle 5 Press and hold the START STOP b...

Page 27: ...120 minutes and 24 hours Internal memory 24 000 temperature readings and 24 000 RH readings maximum Alarm types Single event Cumulative average or OFF Meter power 4 x AA batteries supplied Optional 9...

Page 28: ...we sell We offer NIST traceable calibration for most of our products Contact us for information on calibration and repair availability refer to the contact information below Annual calibrations should...

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Page 30: ...rt flir com Copyright 2022 FLIR Systems Inc All rights reserved worldwide Disclaimer Specifications subject to change without further notice Models and accessories subject to regional market considera...