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Reed ST-1301 Light Meter

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The Reed ST-1301 Digital Light Meter features User selectable Lux / Footcandles, Max, Data hold and over range functions. The ST-1301 is very compact and lightweight lux meter able to measure the intensity of light up to 50,000 lux. The meter shows the light measurements in both lux or Fc units and has a 1.5 times/second sampling time.

REED ST-1301 Features

  • Easy to use, pocket size and light weight
  • 3 1/2 digital LCD display with LUX, Fc, LOBAT, MAX, HOLD indication
  • Accurately displays light level in terms of Foot Candles (Fc) or Lux over wide range
  • Measures from 0 to 50000 Lux/ Fc in four ranges with resolution 0.1Lux/Fc
  • Max Hold and Data Hold
  • Auto Power Off

Authorised Australian Distributor

1 Year Warranty

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SKU: Reed ST-1301 Categories: , Tags: ,

How to use Reed ST-1301 Precision Lux Meter

Measuring Light Select the desired range (x1 Lux/Fc , x10Lux/Fc, x100Lux/Fc) by turn the Reed ST-1301’s Power/Function/Range switch. Remove the photo detector to the light source in a horizontal position and read the illuminance nominal from the LCD display.
Over-range: If the instrument only displays one “1” in the M.S.D. the input signal is too strong, and a higher range should be selected. When the measurement is completed, replace the photo detector from the light source.
Spectral sensitivity characteristic: To the detector, the applied photo diode with fi lters makes the spectral sensitivity characteristic almost meet C.I.E. (International Commission on Illumination) photopia curve V(y) as the following chart described.

REED ST-1301 Specifications

Measuring Range 0 to 50,000 lux, 0 to 5,000 Fc
Resolution 0.1 lux/Fc
Accuracy ±5% of reading < 10,000 lux
Sampling Time 1.5 times/second
Power Supply Single 12V battery (included)
Dimensions 7.4 x 2.5 x 1” (188 x 64 x 25mm)
Weight 5.6 oz (160g)

What’s included with the REED ST-1301

  • ST-1301 Light Meter
  • Battery
  • Carrying Case

Ideal Applications for the REED ST-1301

  • Environmental monitoring
  • Health & safety checks
  • Industrial applications

Battery Replacement

If the sign “BAT” appears on the LCD display, it indicates that the battery should be replaced. Open the battery case and replace the expired battery with new battery. (1 x 12V battery, A23 or equivalent)


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