For detailed specifications go to www.Amprobe.com
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ENVIRONMENTAL TESTERS
LM631A Digital Light Meter
Light Meters
B Measures wide range of light up to
20,000 fc or lux, front panel switchable
B Sensor dome has 114 cm (45 in)
extension cable
B Built-in CIE spectrum curve for accurate
human eye response
This instrument is a portable, easy-to-use, 3-1⁄2-digit, compact sized digital light meter
designed for simple one-hand operation reading in lux or fc units. Pressing the PEAK
button for more than 2 seconds turns the backlight on and off. There is also an auxiliary
output at the microphone jack (2.5 mm) connector that is active as long as the light
meter is turned on.
LM-100 Light Meter
The Amprobe LM-100 light meter measures the visible light from fluorescent, metal
halide, high-pressure sodium or incandescent sources. It is a portable, easy-to-use
digital light meter designed for simple one-hand operation reading in Lumen (lux) or
footcandle (fc) units. The LM-100 measures a wide range of light up to 20,000 fc or lux
with an accurate, high resolution of 0.01 fc/lux.
B Measure in Lux or Footcandles
B Silicon photodiode sensor and filter
B Data Hold to freeze reading on the
digital display
B Auto Power Off saves battery
B MIN / MAX ability to show high
and low readings
B Includes protective sensor cap
B Large, 3-1/2 digit display
B Peak Hold and Data Hold
B Large 3-1/2 digit display with
backlight
B Rugged Valox
®
case
LM-120 Light Meter with Auto Ranging
The Amprobe LM-120 light meter measures the visible light from fluorescent, metal
halide, high-pressure sodium or incandescent sources. It is a portable, easy-to-use digital
light meter designed for simple one-hand operation reading in Lumen (lux) or footcan-
dle (fc) units. The LM-120 measures a wide range of light. This unit is Autoranging plus
manual ranging with ability to Zero out the reading before taking a measurement.
B Measure in Lux or Footcandles
B Silicon photodiode sensor and filter
B Data Hold to freeze reading on the
digital display
B MIN / MAX ability to show high and
low readings
B
Auto Ranging plus Manual Range
B Zero function to null display
before a reading
B Auto Power Off to save
battery life
B Includes protective sensor cap
B Large, 3-1/2 digit display
FEATURES: LM-120 LM-100 LM631A
Zero Automatic/Manual Automatic Automatic
Illumination Sensor Silicon photodiode and filter
Range Lux 20, 200, 2000, 20000, 200000
Range Foot Candles 20, 200, 2000, 20000
Calibration Point 2854 °K Cosine Angluar corrected per JIS C 1609:1993 and
CNS 5119 general A class
Data Hold, MIN/MAX Hold, Peak
Analog Output 1 mV = 1 lux or
10 mV = 1 fc,
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