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Reed SD-1128 Light Meter/Data Logger

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The Reed SD-1128 Light Intensity Meter is a real time data logger with integral 2GB SD memory card (sold separately) and meets C.I.E. spectrum specifications. Using a Type J thermocouple the Reed SD-1128 measures the temperature in range of -100 to 1200 °C with ±(0.4% + 0.5°C (1.0°F) accuracy. The Reed digital light meter is also compatible with Type K probe for temperature measurements up to 1300°C.

REED SD-1128 Features

  • Measures ambient light levels as well as temperature
    with a type J/type K thermocouple thermometer
  • Sensor features photo diode and colour correction filters and meets C.I.E. spectrum specifications
  • Easy to read LCD with backlight
  • Light levels are measured in foot-candles or lux
  • Temperature is measured in °C or °F
  • Data hold and Max/Min record
  • Real time data logger with integral 2GB SD memory card (OPTIONAL)
  • Just plug the SD card into the computer and it downloads directly to EXCEL
  • RS-232 and USB computer interface
  • Auto or manual power off

Authorised Australian Distributor

1 Year Warranty

If you would like more information regarding this product, simply email us here.
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SKU: Reed SD-1128 Categories: , , Tags: , ,

How to use Reed SD-1128  Light Intensity Meter

Function selection: With this Reed SD-1128 Light meter, you can choose from 2 measuring functions: Light Meter or Type K/J Thermometer. With the meter powered-on, press and hold the Function Button. The display will flash “LIgHt”, for Light measurement, and “tP” for Type K/J Thermometer measurement. Release the Function Button to choose the displayed function.

Light Measurement: Always plug the Probe into the Probe Input Socket when the SD-1128 is off. Now, power on the meter by pressing the Power Button and Select the “ LIGHT “ function. Hold the Probe Handle and face the Probe Head against the measuring light source. The Display will show the light measurement value.

Zero Adjustment: To test if the instrument shows the measurements value correctly, while taking a Light Measurement, completely cover the light sensor. If the Display does not show value of zero, press and hold the Logger Button until the Display shows a zero value.

Type K/J Thermometer measurement: Select the “tP” function firstly and plug the optional Type K or J Thermocouple Probe into the Type K/J Probe Input Socket. The screen will display a “K”, meaning it is configured for a Type K thermometer probe. The measured temperature will now be displayed on the display screen.

Data Record (Max., Min. reading): With this SD-2228 you can record the maximum and minimum readings of any light measurements thanks to its data record function. Press the REC Button once to start the Data Record function and a “REC” symbol will appear on the display. With the “REC” symbol on the display.Press the REC Button once, and a ”REC. MAX.” symbol along with the maximum value will appear on the display. To delete the maximum value, press the Hold Button once and the display will show a “REC.” symbol only and execute the memory function continuously.Press the REC Button again, and a “REC. MIN.” symbol along with the minimum value will appear on the display. To delete the minimum value, press the Hold Button once, and the display will show a “REC.” symbol only and execute the memory function continuously.

REED SD-1128 Specifications

Measuring Range 2,000, 20,000, 100,000 lux
200, 2,000, 10,000 Ft-cd
Resolution 1, 10, 100 lux
0.1, 1, 10 Ft-cd
Accuracy ±(4% + 2 dgt)
Type K Temp. Range -100.0 to 1300°C (-148.0 to 2372.0°F)
Resolution 0.1°C (0.1°F)
Accuracy ±(0.4% + 0.5°C (1.0°F))
Type J Temp. Range -100.0 to 1200°C (-148.0 to 2192.0°F)
Resolution 0.1°C (0.1°F)
Accuracy ±(0.4% + 0.5°C (1.0°F))
Auto Sampling Time 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 seconds
Data Output USB/RS232 PC computer interface
AC Output 0.5 Vrms corresponding to each range step
Output Impedance 600Ω
Power Supply 6 x 1.5V UM3/AA batteries
Dimensions 117 x 68 x 45mm
Weight 489g

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