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LM-80 Digital Light Meter  
 


Compact, rugged, and simple to use, Amprobe Light meters display light levels quickly and accurately in both foot-candles or lux. They quickly define the amount of light radiating from a source or measure the amount of light energy illuminating an object or field. Light meters can help to reduce the amount of waste light used in the office or home, measure light pollution outdoors, and ensure proper light levels for work levels.
 

LM-80 Digital Light Meter

Features
  • Dual measurement capability in Foot-Candles or Lux.
  • Measures from 0.01 to 20,000 Foot-Candles or Lux.
  • Measurement ranges of 20/200/2000/20,000 fc or Lux.
  • Analog DC Voltage output to operate with a Chart Recorder or Data Logger.
  • Measuring rate of 2.0 times/sec.
  • Data and Peak Hold features.
  • Cosine corrected for the angular incidence of light (C.I.E sensitivity adjustment to photo optic curve).
  • CE Approved.

safety Conformity

Specifications

Measuring Range

20, 200, 2000, and 20,000 lux/fc (20,000 lux/fc range

 

reading x10

Over-range Display

Highest digit of '1' is displayed

Accuracy

±3% of Rdg ±0.5% of full scale

 

(±4% of Rdg ±10 digits as >10,000 lux/fc range)

 

(calibrated to standard incandescent lamp at color

 

temperature 2856K)

Repeatability

±2%

 

 

Temperature Characteristics

±0.1%/°C

Measurement Range

2 times/sec approx.

Operating Temperature

0°C to 40°C (32°F to 104°F), 0% to 80% R.H.

Storage Temperature

-10°C to 60°C (14°F to 140°F), 0% to 70% R.H.

 

 

Analog Output

1mV DC/1 digit

Range

20 lux/fc, 10mV per lux/fc

 

200 lux/fc, 1mV per lux/fc

 

2,000 lux/fc, 0.1mV per lux/fc

 

20,000 lux/fc, 0.1mV per 10 lux/fc

Add Basic Accuracy

±0.5% of LCD reading

Photo Detector

One silicon photo diode with filter

 

 

General Specifications

 

 

Display

3-1/2 digit LCD

Power Source

One 9V battery, NEDA 1604 or JIS 006P or IEC 6F22

Battery Life

200 hours typical (Alkaline)

Photo Detector Lead Length

150cm approx.

Photo Detector Dimensions

100mm (L) x 60mm (W) x 27mm (H)

 

 

Light Meter Dimensions

135mm (L) x 72mm (W) x 33mm (H)

Light Meter Weight

250g

   

Included Accessories

Complete with Carrying Case,9V battery installed and Instruction Manual.

 
 

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Leda Electronics Pty. Ltd.
A.C.N. 078 681 562           A.B.N. 83 078 681 562
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                                                      Unit 5, 31 Century Road, Malaga, Western Australia 6090                                                            
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