RH% HI and LOW: Displayed when the High or Low Alarm limit is °C exceeded. See ‘Alarm Status’ below for further information. °F RH%: Relative Humidity (42270 and 42275 only) C or F: Temperature units. COMM: Appears when Datalogger is communicating with a PC. Recording Status Indication Both the RED status LED and the display indicator ‘REC’ will flash every 5 seconds if the sampling rate is set to 5 seconds or higher. If the sampling rate is set lower than 5 seconds, the indicators will flash ev

Humidity alarms warn when the %RH exceeds a pre-set HI or LO limit. It also features Humidity and Temperature calibration adjustments. The unit can be wall- mounted or placed on a flat surface using the fold-out stand. This professional meter, with proper care, will provide years of safe reliable service. Meter Description 1. Temperature-Humidity Sensor 2. %RH Display 3. Dew Point Display 4. Temperature Display 5. %RH LED alarm 6. Max/Min push button 7. Reset push button 8. Audible Alarm ON/Off

When the mouse button is released, the cursor snaps to the nearest data point. Offset Knob Use the Offset control in the DISPLAY CONTROL field (lower right) to optimize the data viewing area. Press the up or down arrow key to increment or decrement the record number (with corresponding date) in the graph. 5 V7.1 1/08 Zoom and Pan on Graphs To zoom in, press the key and click the left mouse button over the desired point; release the key after the mouse button is pressed. The view re

This User Guide serves three purposes, refer to the list below: 1. This User Guide covers the following products entirely with regard to hardware and software operation: Model 42275: Temperature and Humidity Datalogging Module with docking station and SW276 WindowsTM Software Model 42265: Temperature Datalogging Module with docking station & SW276 WindowsTM Software Model SW276: WindowsTM Datalogging Software 2. This User Guide covers the following products with regard to software and some hardw