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Martindale LM195 Light Meter
Includes: storage case, 2 x 1.5V AA batteries and instruction manual.
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The Martindale LM195 is a high quality general purpose light meter designed for use with the latest LED lighting systems. The built-in correction factors make it easy to take reliable measurements with both conventional and LED lighting.
It is ideally suited to ensuring that industrial, office and commercial building lighting achieves the required levels for a healthy working environment. The new light meter can be used for commissioning new installations and checking the performance existing lighting. It provides readings up to 200,000 lux with a maximum resolution of 0.1 lux in the 200 lux range. The tough design makes it suitable for all working areas and the intuitive layout with detachable light sensor makes it easy to take accurate and reliable measurements in all types of application.
The LM195 has all the features of the LM192 Light Meter with the added benefit of the built-in correction factors for LED, incandescent and fluorescent lighting making it suitable for all types of installation.
Built-in correction factors.
Light intensity measurement to 199900 lux, 19990 fc.
Hold, Max and Min functions.
Low Battery Indication.
Auto Power Off.
|L0||Standard Incandescent Light Source.|
|L1||LED White Daylight.|
|L2||LED Amber (Yellow) Light.|
|L3||LED Green Light.|
|L4||LED Red Light.|
|L5||LED Blue Light.|
|L6||Warm White Fluorescent Lamp.|
|L7||Cold White Fluorescent Lamp.|
|L8||User Setup Mode.|
|Temperature coefficient||0.1 x (specified accuracy) per °C (0-24°C, 26-40°C).|
|Accuracy||rdg ±5 dgts (Standard A light source) Note 1
±8% (other visable light sources.
|Spectral response||CIE photopic. Note 2.|
|Range||0.0 to 199.9/1999/19990/199900 lx
0.0 to 19.9/199.9/1999/19990 fc.
|Angle deviation from cosine characteristics error||10° ± 1% | 30° ± 2%
60° ± 5% | 80° ± 20%.
|Light detector||SI photodiode.|
|Note 1: The CIE standard illuminant A can be realised 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.|
|Temperature & Humidity (Operating)||0°C to 40°C d 80% R.H.|
|Temperature & Humidity (Storage)||-10°C to 50°C d 70% R.H. with batteries removed.|
|Altitude||up to 2000m.|
|EMC||Conforms to BS EN 61326-1|
|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 37 mm (H).|
|Weight||185g including batteries.|
|Martindale LM195 warranty||Two-years.|
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