User Manual

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User's Guide

Model 42270 Temperature & Humidity Datalogger Module

Model 42275 Temperature & Humidity Datalogger Kit

Model 42260 Temperature Datalogger Module

Model 42265 Temperature Datalogger Kit

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

Summary of content (7 pages)

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User's Guide Model 42270 Temperature & Humidity Datalogger Module Model 42275 Temperature & Humidity Datalogger Kit Model 42260 Temperature Datalogger Module Model 42265 Temperature Datalogger Kit Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.
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Introduction Congratulations on your purchase of the Extech Datalogging Module or Datalogging kit.
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Description Refer to Figure 1. 6 2 1. LCD display 2. Mounting hole 3. Docking station 3 4. Interface Cable 5. Status LEDs 5 1 4 6. Supplied Software CD FIGURE 1 Displays LCD Display REC HI LOW COMM REC: Displayed while logging readings. Read the ‘Recording Status’ section for further details. HI and LOW: Displayed when the High or Low Alarm limit is exceeded. See ‘Alarm Status’ below for further information.
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Software Installation and Operation Installation 1. Slide the logger onto the RS-232 PC Interface docking station. 2. Connect the PC interface cable to the PC com port (1 or 2). 3. Insert the supplied software disk in the PC CD-ROM drive. 4.
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Retrieve File Open a data file currently stored on the PC. Save File Save data to a new file on the PC. COM Set Set the COM Port number, baud rate, data bits, parity, & stop bits. Logger Set The Datalogger must be configured before each recording session using the following parameters (refer to Figure 3): • Sample Points: Number of data points to log (1000, 2000, 4000, 8000, 12000, 16000) • Sample Rate: Set from 1 to 7200 secs (logging interval).
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Statistics Statistics can be applied to all the data or only the data between the moveable cursors located on the main software screen. • The Temperature data is shown on the top graph and the Relative Humidity (42270 only) on the bottom graph. • The max, min, mean, and standard deviation values are shown on the right side of each graph.
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RANGE Knob Use the Range knob to select the number of readings represented on the display graph. If the knob is set to ‘50’, fifty readings will be shown on the display graph. With the knob set to ‘2K’, two thousand readings will be represented on the display graph. Cursor 1 and 2 Cursor 1 and Cursor 2 (red and green vertical lines on main software screen grid) can be used to select a region of data (click and drag to select data). Selected readings are between the two cursors.