Light Meters

Light meters, sometimes referred to as lux meters, are instruments that measure light levels or light pollution. You can find out more in our guide to light meters.

How is light measured?

Light can be measured in different ways with different light measurement instruments:

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RS PRO RS-8809A Light Meter, 4 %
RS PRO RS-8809A Light Meter, 4 %
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RS Stock No.: 200-3701Brand: RS PRO

€ 145.91

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RS Pro
-
-
4 %
0.1 lx
Photodiode
-
9V
390g
Accurate, Data Hold, Instant Response
20mm
170mm
+40°C
0°C
RS-8809A
RS-8809A
60mm
RS PRO RS-92 Light Meter, 0lx to 40000lx, ±5 %
RS PRO RS-92 Light Meter, 0lx to 40000lx, ±5 %
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RS Stock No.: 155-8901Brand: RS PRO

€ 62.19

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1€ 62.19
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RS Pro
40000lx
0lx
±5 %
0.1 lx
Silicon Photo Diode
-
9V
175g
Easy Transfer of Measuring Data to User Smart Phone
35.6mm
206mm
+40°C
0°C
RS-92
RS-92
54mm
RS PRO Light Meter
RS PRO Light Meter
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RS Stock No.: 123-8776Brand: RS PRO

€ 289.04

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1€ 289.04
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RS Pro
-
-
-
-
-
-
-
-
Memory Recall Button, Push Button 4 Light Type Select
180mm
72mm
-
-
-
-
32mm
RS PRO IM720 Light Meter, 400lx to 400000lx, ±3 %
RS PRO IM720 Light Meter, 400lx to 400000lx, ±3 %
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RS Stock No.: 106-5311Brand: RS PRO

€ 75.26

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1€ 75.26
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RS Pro
400000lx
400lx
±3 %
3 lx
Photodiode
-
AAA
80g
-
23mm
133mm
-
-
IM720
IM720
48mm
RS PRO ILM201L Light Meter, ±3 (Incandescent) %
RS PRO ILM201L Light Meter, ±3 (Incandescent) %
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RS Stock No.: 124-0938Brand: RS PRO

€ 117.11

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RS Pro
-
-
±3 (Incandescent) %
-
Photodiode
-
-
250g
Manual Ranging, Manual Zero Adjustment, Max Hold
130mm
55mm
-
-
ILM201L
-
38mm
RS PRO ILM1335 Light Meter, 0lx to , ±3% rdg ±0.5% f.s
RS PRO ILM1335 Light Meter, 0lx to , ±3% rdg ±0.5% f.s
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RS Stock No.: 123-2221Brand: RS PRO

€ 155.80

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RS Pro
-
0lx
±3% rdg ±0.5% f.s
0.01 lx
Photodiode
400 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Peak Hold Function, Relative Function
150mm
72mm
+40°C
0°C
ILM1335
ILM1335
35mm
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %
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RS Stock No.: 123-2220Brand: RS PRO

€ 76.37

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1€ 76.37
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RS Pro
200000lx
0.01lx
±3 %
0.1 lx
Photodiode
200 h
9V
250g
Accurate, Data Hold, Instant Response
135mm
72mm
+40°C
0°C
ILM1332A
ILM1332A
33mm
RS PRO RS-3809 Light Meter, 40lx to 400000lx, ±3 %
RS PRO RS-3809 Light Meter, 40lx to 400000lx, ±3 %
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RS Stock No.: 146-9083Brand: RS PRO

€ 107.05

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1€ 107.05
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RS Pro
400000lx
40lx
±3 %
-
Silicon Photo Diode
-
9V
250g
-
28mm
162mm
-
-
RS-3809
RS-3809
63mm
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits
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RS Stock No.: 123-2222Brand: RS PRO

€ 84.90

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1€ 84.90
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RS Pro
-
-
±3 % ±5 Digits
0.01 lx
-
400 h
AAA
320g
Accurate, Data Hold, Instant Response
35mm
72mm
+50°C
0°C
ILM 1337
ILM 1337
150mm
RS PRO IM203 Light Meter, 20lx to 200000lx, ±3 %
RS PRO IM203 Light Meter, 20lx to 200000lx, ±3 %
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RS Stock No.: 106-5312Brand: RS PRO

€ 301.07

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1€ 301.07
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RS Pro
200000lx
20lx
±3 %
-
Photodiode
-
-
250g
Data Logging, USB Interface
38mm
172mm
-
-
IM203
IM203
55mm
RS PRO Light Meter, 0.01 fc, 0.1 lx to 99990lx, ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV
RS PRO Light Meter, 0.01 fc, 0.1 lx to 99990lx, ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV
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RS Stock No.: 146-4652Brand: RS PRO

€ 494.63

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1€ 494.63
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RS Pro
99990lx
0.01 fc, 0.1 lx
±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV Linerarity) %
-
-
50 h
AAA
345g
-
35mm
150mm
+50°C
0°C
-
-
72mm
RS PRO Luminance Meters, 9.999 fL, 9.999 cd/m² to 1999lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @
RS PRO Luminance Meters, 9.999 fL, 9.999 cd/m² to 1999lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @
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RS Stock No.: 146-4653Brand: RS PRO

€ 317.98

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RS Pro
1999lx
9.999 fL, 9.999 cd/m²
±3 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or +77°F)), ±5 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or+77°F))
0.01 lx
-
50 h
AAA
345g
-
35mm
150mm
+50°C
0°C
-
-
72mm
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit
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RS Stock No.: 123-2223Brand: RS PRO

€ 90.92

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1€ 90.92
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RS Pro
-
0.01lx
±3 % ± 5 Digit
-
Photodiode
100 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Point Average Function
150mm
72mm
+50°C
0°C
ILM01
-
35mm
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits, With RS Calibration
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits, With RS Calibration
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RS Stock No.: 123-2258Brand: RS PRO

P.O.A.

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RS Pro
-
-
±3 % ±5 Digits
0.01 lx
-
400 h
AAA
320g
Accurate, Data Hold, Instant Response
35mm
72mm
+50°C
0°C
ILM 1337
-
150mm
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit, With RS Calibration
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit, With RS Calibration
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RS Stock No.: 123-2272Brand: RS PRO

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RS Pro
-
0.01lx
±3 % ± 5 Digit
-
Photodiode
100 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Point Average Function
150mm
72mm
+50°C
0°C
ILM01
-
35mm
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %, With RS Calibration
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %, With RS Calibration
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RS Stock No.: 123-2360Brand: RS PRO

P.O.A.

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RS Pro
200000lx
0.01lx
±3 %
0.1 lx
Photodiode
200 h
9V
250g
Accurate, Data Hold, Instant Response
135mm
72mm
+40°C
0°C
ILM1332A
-
33mm
RS PRO ILM1335 Light Meter, 0lx to , ±3 % ± 0.5 Digit %, With RS Calibration
RS PRO ILM1335 Light Meter, 0lx to , ±3 % ± 0.5 Digit %, With RS Calibration
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RS Stock No.: 123-2375Brand: RS PRO

P.O.A.

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1P.O.A.
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RS Pro
-
0lx
±3 % ± 0.5 Digit %
0.01 lx
Photodiode
400 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Peak Hold Function, Relative Function
150mm
72mm
+40°C
0°C
ILM1335
-
35mm
RS PRO Light Meter, With RS Calibration
RS PRO Light Meter, With RS Calibration
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RS Stock No.: 123-8792Brand: RS PRO

P.O.A.

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1P.O.A.
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RS Pro
-
-
-
-
-
-
-
-
Memory Recall Button, Push Button 4 Light Type Select
180mm
72mm
-
-
-
-
32mm
Extech 401025 Light Meter, 2000lx to 50000lx, ±5 %
Extech 401025 Light Meter, 2000lx to 50000lx, ±5 %
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RS Stock No.: 288-0143Brand: ExtechManufacturers Part No.: 401025

€ 201.48

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Extech
50000lx
2000lx
±5 %
1 lx
Photodiode
-
-
-
-
-
-
-
-
401025
-
-
Extech 401025-NIST Light Meter, 2000lx to 50000lx, ±5 %
Extech 401025-NIST Light Meter, 2000lx to 50000lx, ±5 %
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RS Stock No.: 288-0144Brand: ExtechManufacturers Part No.: 401025-NIST

€ 368.39

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Extech
50000lx
2000lx
±5 %
1 lx
Photodiode
-
-
-
-
-
-
-
-
401025-NIST
-
-