Extech Instruments NON-DISPLAY PORTABLE User's Guide download pdf (Page 10)

421509-EN v2.3 07/13

Operation

1. Select the correct COM port

2. Press the “START” button

3. Press the T1 INPUT, T2 INPUT or T1-T2 button to open the control window

Button Description

MAX MIN Activate Max/Min reading with time

AVG Activate Average reading measurement

REL Activate Relative mode

HI/LO Activate Hi/Lo limit comparative mode. The limit will also be visible on the

graphical display as red (HI) and blue (LO) horizontal lines. The display

value will blink between red and blue when the input temperature value

exceeds the LO value.

TYPE Select the K/J/T/E/R/S/N type thermocouple

GRAPH Open the graph sub-window

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Extech Instruments NON-DISPLAY PORTABLE User's Guide Page 10