Amprobe THWD-3 Benutzerhandbuch - Seite 5

Blättern Sie online oder laden Sie pdf Benutzerhandbuch für Messgeräte Amprobe THWD-3 herunter. Amprobe THWD-3 12 Seiten. Relative humidity and temperature meters

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Operating Instructions

Power-Up

• Press the � key to turn the Humidity/Temperature meter ON or

OFF.

Selecting Temperature Units

When the meter is first powered on, the default scale setting is set

to the Celsius (°C ) scale. To change to Fahrenheit (°F) press the �

button. Press again to revert to Celsius. The next time the meter

is turned on, the scale setting will be the same as it was when you

powered off last time.

Data-Hold Operation

The present reading may be held on the display by pressing the �

button. When the held data is no longer needed, release the data-

hold operation by pressing the � button again. When the meter is

in the Data Hold mode, the �, �, and � buttons are disabled.

Relative Operation (TH-3 only)

Pressing the � button causes the meter to memorize the present

reading. The difference between the new reading and the memorized

data will be displayed. Press the � button again to exit the Relative

mode.

MIN/MAX Operation

Pressing the � button places the meter in the MIN/MAX mode.

In this mode the maximum value and minimum value is kept in the

memory simultaneously and updated with every new data reading.

Pressing the � button displays the MAX indicator and the Maximum

value on the display. Pressing � again will display the MIN indicator

and the Minimum value on the display. Pressing � again causes

the MAX and MIN indicators to blink together. This means that these

data have been updated in the memory and the reading is the present

temperature and humidity. When the meter is in MIN/MAX mode, the

� and � buttons are disabled. To exit MIN/MAX mode, press and

hold � for two seconds.