General-tools-and-instruments CIH20DL Instrukcja Użytkownika Pobierz pdf (Strona 6)

4. button: Activates laser pointer when

enabled (unless readouts are displaying

recalled values)

5.  button

6. (Anemometer HOLD) button:

Freezes air speed and airflow volume

readings only

7. AC power/USB cable jack (on left side)

8. A two-function button: Laser

pointer enable/disable and backlight

on/off. Pressing button four times cycles

through the four possible combinations

of states (see figure below). A

fter the

backlight is activated, it stays on for 15

seconds and then automatically shuts

off.

9. MODE SET button: When pressed briefly and repeatedly, cycles readouts to show: real-

time measurements; maximum, minimum and average readings; and recalled stored

measurements.

When pressed and held for 3+ seconds (unless readouts are displaying recalled values),

places meter in advanced setup mode. In this mod

e, the user can change default

measurement units, enter a grille area, set the data logging sampling time and the current

date and time, and clear the meter’s data logging memory space.

10. button

11. Hot wire probe socket

12. IR measuring window

13. Laser pointer port

14. Hot wire probe head

15. Hot wire probe plug

TempIR

Fig. 1. The CIH20DL’s controls and

connectors

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General-tools-and-instruments CIH20DL Instrukcja Użytkownika Strona 6