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計測機器 Amprobe LM-120のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Amprobe LM-120 9 ページ。 Light meter

Lx / fc

illuminance scales. 1 foot-candle = 10.764 Lux and 1 lux = 0.09290 foot-

candles.

freezes the reading present on the LCd at the moment the button is pressed.

press hoLd again to disable data hold.

press the MAnual ranging button for useable reading.

press the AUTo or MAnual ranging button for useable reading. AUTo

ranging is the default operation.

MAX (LM-120)

The MAx Min feature reads and updates the display to show the maximum

or minimum value measured after you press the MAx Min button. pressing

the MAx Min button for less than 1 second will put the meter into a mode of

displaying the maximum, minimum, or actual readings. each time the MAx

button is pressed, the meter will cycle from MAx  Min  off. press the MAx

Min button for more than 1 seconds to disable this feature.

Select the proper measurement range before enabling the MAx Min feature.

Auto-Power off (LM-120)

in order to save battery life, your light meter powers down automatically

after approximately 6 minutes of inactivity. You can turn it back on by

pressing the � button. You can disable Auto power off by pressing and

holding the hoLd button while turning the meter on.

The light sensor will change the null point over time. To reset the null point,

cover the sensor, press the ZeRo button. The display will show "AdJ". when

the null reset is done, the display will read '00.0'.

general:

Sampling Rate:

display:

Sensor:

environment:

Altitude:

Temperature / humidity:

operating:

2.5 times per second for digital display.

3 ½ digit, 1999 count LCd

Silicon photodiode and filter.

indoor operation

Up to 2000m.

-10 °C to 50 °C, 0 to 80 %Rh.