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Specification
LM192
Light Meter
All specified accuracies are at 25°C ±1°C, <80% R.H. for 1 year
Temperature coefficient: 0.1 x (specified accuracy) per °C
(0-24°C, 26-50°C)
Accuracy:
±3% (calibrated to standard incandescent lamp 2856°K)
Angle deviation from cosine characteristics error:
10° ± 1%
30° ± 2%
60° ± 5%
80° ± 20%
Range: 0.0 to 199.9/1999/19990/199900 lx
0.0 to 19.9/199.9/1999/19990 fc
Resolution: 0.1lx, 0.1fc
Note 2
Spectral response: CIE photopic
Light detector: SI photodiode
Note 1: The CIE standard illuminant A can be realized by means
of CIE standard source A, which is defined as: A gas-filled
tungsten-filament lamp operating at a correlated colour
temperature of 2856K.
Note 2: The CIE photopic curve is an international standard for the
colour response of the average human eye.
GENERAL
Display: liquid crystal display
Sampling rate: twice per second
Over range: OL is displayed
Power: 2 x 1.5V AA alkaline batteries (IEC LR6, NEDA 15A)
Continuous operating time: approximately 80 hours
Auto power off: after 30 minutes (can be disabled)
Dimensions: 169 (L) x 63 (W) x 37mm (H)
Weight: 185g including batteries
Includes: storage case, 2 x 1.5V AA batteries and instruction manual.
ENVIRONMENTAL
Temperature & Humidity (Operating): 0°C to 40°C
Note 1
Altitude: up to 2000m
Pollution degree: 2
EMC
Conforms to BS EN 61326-1
15
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Specification
LM192
Light Meter
(Storage): -10°C to 50°C
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Martindale Electric Company Limited
Tel: +44(0)1923 441717 Fax: +44 (0)1923 446900
E-mail: sales@martindale-electric.co.uk
Website: www.martindale-electric.co.uk
© Martindale Electric Company Ltd. 2018
Registered in England No. 3387451. Rev 1 LIT192
80% R.H.
70% R.H. with
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