Meter Description - Extech Instruments 401036 User Manual

Meter Description

1. 2000 Count LCD includes LUX, Fc, low battery, MAX, H (hold), & x10 indicators
2. ON/OFF key Turns the meter on or off
3. Max. Hold key When pressed, the LCD
displays only the maximum reading
4. Lux/Fc key Press to toggle the displayed
unit of measure. The LCD shows the
unit
5. Light Sensor (Lens cover not shown)
Collects light. Note that a tripod mount
is located on the rear of the sensor
6. Range key Press repeatedly to select
desired range: 20, 200, 2,000, 20,000
7. Data Hold key Press to freeze the
displayed measurement
8. Record/Erase key Press momentarily to
store one reading; Press and hold for 3
seconds to activate the continuous
recording mode. Press again to end
recording
9. RS-232 jack Stereo jack for PC to Meter
connection cable
10. Zero adjust Cover the sensor with
supplied lens cap and adjust the zero
pot for a 0.0 Fc/LUX display
Note that the battery compartment, tilt stand, and hanging mount are located on the rear of
the meter
Spectral Sensitivity Curve
100
Relative
80
Sensitivity (%)
60
40
20
400 450 500
Wavelength (nm)
1
2
3
4
550 600 650
3
5
= Light Meter
λ
= V ( )
700
Model 401036 Version 3.1 9/07
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