General Tools and Instruments CIH20DL User Manual

Page 6

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). After the

backlight is activated, it stays on for 15

seconds and then automatically shuts

off.

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 mode, 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

Temp

Fig. 1. The CIH20DL’s controls and

connectors

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CIH20DL-FINAL-122111_awb 12/21/11 9:58 AM Page 6