Extech Instruments 42275 User Manual
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Extech Instruments 42275 User Manual

Temperature and humidity datalogger kit, temperature datalogger kit
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User's Guide
Model 42275 Temperature and Humidity Datalogger Kit
Model 42265 Temperature Datalogger Kit
Model SW276 Software and Cable (for 42276/42266)

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Summary of Contents for Extech Instruments 42275

  • Page 1 User's Guide Model 42275 Temperature and Humidity Datalogger Kit Model 42265 Temperature Datalogger Kit Model SW276 Software and Cable (for 42276/42266)
  • Page 2 Congratulations on your purchase of the Extech Datalogging kit. The following models are covered in this manual: Model 42275: Temperature & Humidity Datalogging Module plus docking station & Windows Software Model 42265: Temperature-only Datalogging Module plus docking station & Windows Software Model 42276: Temperature &...
  • Page 3 HI and LOW: Displayed when the High or Low Alarm limit is exceeded. See ‘Alarm Status’ below for further information. RH%: Relative Humidity (42270 and 42275 only) C or F: Temperature units. COMM: Appears when Datalogger is communicating with a PC.
  • Page 4 Main Screen Diagram A: Main Screen Cursor 1 and 2 Control Click on a cursor line to select it. When you click the red cursor line, it turns bold red. When you click the green, it turns bold green. The CURSOR STATUS field (lower left) shows the cursor positions.

  • Page 5: Warning Message

    Zooming and Panning on Graphs To zoom in a point, press the <Ctrl> key and click the left mouse button over the desired point; you can release the <Ctrl> key after you press the mouse button. The view resolution increases until the mouse button is released. To zoom out, click on the right mouse button. To pan, press the <Ctrl-Shift>...
  • Page 6 Save File To save a transferred data file: Click on SAVE FILE, select a folder to save the file in, and name the data file. 42275A 42265A SW276cd Rev 3.0 3/06...

  • Page 7: Retrieve File

    Retrieve File Click on RETRIEVE FILE to retrieve a previously saved file from your PC. To aid in reading a graph, a grid can be drawn on the graph. A dialogue box display at the bottom left hand corner shows the appearance of this grid.(CONTROL LOCATION Cursor 1 and 2) After retrieving a file containing Humidity records, the labels "Temperature"...
  • Page 8 42275A 42265A SW276cd Rev 3.0 3/06...
  • Page 9 Com Port Setup Select "Com. Port Setting". Select the COM port, Baud rate (9600), Data bits (8), Parity (None) and Stop bits (1). Select OK to accept settings, press Cancel to abort and exit. 42275A 42265A SW276cd Rev 3.0 3/06...

  • Page 10: Number Of Data Points

    Datalogger Settings Press LOGGER SETTING to access the menu page Sample Point Setup Number of Data Points Select the number of data samples you wish the logger to collect: 1000 / 2000 / 4000/ 8000 / 12000 / 16000 Scroll up or down to find the value and then click OK to save. For example, if you select 1,000 samples, the logger will stop collecting data (and will power off ) when 1000 data points have been collected.

  • Page 11: Unit Setting

    Start Mode Setup Datalogger Clock Setting Click OK to set logger to PC system time. Alarm Setting The default High Alarm temperature is 85 C. The default Low Alarm temperature is -40 C. The default High Alarm for Relative Humidity is 100% . The default Low Alarm Relative Humidity is 0% .
  • Page 12 Data Logger Id Setting The datalogger's ID setting allows the user to provide a unique name for each datalogger (up to 8-digits). Sleep Mode Setting In Sleep Mode the Datalogger turns the display off after Datalogging has been completed. Select the Sleep Mode in software by moving the slide switch to the right for SLEEP then click OK.
  • Page 13 Data Table Press the DATA TABLE icon to view data Edit Cell Double-Click on the desired cell to edit (or press <F2>) Data pop-Up Menu Click the right mouse button anywhere in the data table to activate the pop-up menu. The menu contains Goto, Find, and Sort.

  • Page 14: Copying And Pasting

    To choose a column click on the appropriate button (Number, Date, Time, Temp, Humidity); the whole column will darken indicating that it is selected. In the Orientation portion of the window, there are four sorting options: 1. Sort by Ascending Row Values. 2.
  • Page 15 Statistics Press the STATISTICS icon to view histograms of data based on the "Whole Range" or the "Cursor Range". See (Diagram I) Whole Range - All of the logged readings. Cursor Range - Only the readings between the two cursors. Click and drag the knobs’...
  • Page 16 Diagram I-2 is another example of setting the cursor range; it has been set to 100 divisions as well. 5. Diagram J-1 shows that cursor 1 is used for the temperature readings and the lower region shows the Relative Humidity records. In Diagram J-2 the divisions are set to 130. 6.
  • Page 17 Group Files Click GROUP FILES to view the "Multi-Logger Monitor" designed to view and compare data files. Diagram M shows the screen as it appears before the icon is clicked. Select the color of the curve by clicking the color block. You can print the data by clicking the printer icon at the right top corner.

  • Page 18: Temperature Chart

    Click to select the file you want to use to compare to other files, click the color icon box to select the desired color. Each file is represented by a capital letter (A through H) with the file name following the letter. Diagram N When comparing data files:...
  • Page 19 Previous Setting: Previous setting records are listed in this column for reference. To download data from another datalogger without exiting the current screen: a) Click “PREVIOUS SETTING"to replace the last logger data with a new one. b) Close the program and reopen again. Note : Clicking on "Retrieve File"...
  • Page 20 Message The message area is blank if no file has been retrieved. After a file is retrieved the message will display as follows: "Retrieve file completed" Download Commands Start - To begin downloading data .(See below diagram) Stop - To manually stop downloading data. Exit - To exit the Download utility.
  • Page 21 Example 2: Set the Offset to "4000" (refer to Diagram S and S1). The screen shows 4000 as the starting point for the 8,000 record total, Display Control (for X-Axis records) Range - Allows the user to configure the data range. 42275A 42265A SW276cd Rev 3.0 3/06...
  • Page 22 Example 1: Set Range by clicking & dragging the red indicator (D iagram T) to "1K" (Diagram T-1 shows data records from 0001 to 1000). Example 2: Set Range to "4K" as in Diagram U. Diagram U-1 shows the data records from 0001 to 4001. 42275A 42265A SW276cd Rev 3.0 3/06...

  • Page 23: Battery Replacement

    Battery Replacement Follow these steps to remove and replace the battery: 1. Remove the four (4) rear Phillips-head screws 2. Ensure that the o-ring remains in its groove. 3. Remove the expired battery. 4. Insert a new battery (CR2) ensuring correct polarity. 5.

  • Page 24: Warranty

    Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.

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42265

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