Introduction The 42280A is a portable, battery operated instrument that moni- tors, displays, and logs Temperature and Relative Humidity (RH). The 42280A can monitor environmental conditions in a variety of residential and commercial storage and in-transit locations. The 42280A logs up to 48,000 readings for later PC transfer and generates comprehensive reports that include detailed statistical analyses with high/low alarms.
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Connect to the PC to generate log reports. Open the supplied application, click the PDF or Excel tab, and follow the on-screen prompts. Short press the power button to switch off the 42280A. Logger Configuration (PC) With 42280A power on, connect to a PC using the supplied USB cable.
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Company Add a 20 character (max,) text string to reports. Name SAVE Click SAVE to complete the configuration. Alarm Types Select Single (sin), Cumulative (acc), or No Alarm (dis). See User Manual for alarm details. Alarm Delay Set an alarm trigger delay. Temp.
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Parameter Display Description Sampling Set the logging sample rate from 30 seconds to Rate (P1) 120 minutes. The middle row shows the setting, and the bottom row shows S for seconds or M for minutes. Start Delay Set the start delay time from 0 minutes to 24 (P2) hours.
Basic Specifications Range Resolution Accuracy 0.1° Temperature -22 to 158℉ (-30 ± 0.9℉ (0.5℃) measurements to 70℃)* 0.1 to 99.9% 0.1% ± 3% (10 to 90%) measurements Dew Point 32 to 122℉ (0 to 0.1° calculation 50℃) Meter power 4 x AA batteries (supplied). Optional 9 V adapter. Ambient For operation and storage: -4 to 158℉...
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