Triplett LT80 User Manual
  1. Manuals
  2. Brands
  3. Triplett Manuals
  4. Measuring Instruments
  5. LT80
  6. User manual

Triplett LT80 User Manual

Led light meter
Hide thumbs
1
2
3
4
5
6
7
8
Table of Contents

Advertisement

Quick Links

Download this manual
User Manual
LT80
LED Light Meter
Introduction
Congratulations on your purchase of the Triplett LT80 LED Light Meter that
measures light intensity from white LED light sources. The LT80 can also
measure light from fluorescent, metal halide, high‐ pressure sodium, and
incandescent sources, for reference only (unspecified accuracy). The LT80
can measure light up to 40,000 Fc (400,000 Lux).

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LT80 and is the answer not in the manual?

Questions and answers

George
March 21, 2025

Does the display have backlight

0

Subscribe to Our Youtube Channel

Related Manuals for Triplett LT80

Summary of Contents for Triplett LT80

  • Page 1 LT80 LED Light Meter Introduction Congratulations on your purchase of the Triplett LT80 LED Light Meter that measures light intensity from white LED light sources. The LT80 can also measure light from fluorescent, metal halide, high‐ pressure sodium, and incandescent sources, for reference only (unspecified accuracy). The LT80...
  • Page 2 Safety  Do not operate the meter in environments where the following are present: explosive gases (or materials), combustible gases (or materials), steam, or dust.  Please replace the battery immediately when the low battery symbol appears on the LCD. ...

  • Page 3: Operation

    Operation Power ON/OFF Long press the Power button to power the meter. To power the meter OFF, short press the Power button. Taking Measurements 1. Switch the meter ON and remove the sensor’s protective cover to expose the light sensor dome. The display should switch ON; if not, check that batteries are installed and fresh.

  • Page 4: Hold Button

    MAX/AVG/MIN Button The meter can record the maximum, minimum, and average readings as described below: Short press the “MAX/MIN” button and the meter will begin to track the maximum/average/minimum measurements; the “MAX” icon will display at the top of the LCD window indicating that the meter is now showing the maximum reading.

  • Page 5: Measurement Tips

    3. If the protective cap is not covering the sensor when the Zero calibration is started the LCD display will read CAP. In this case, please cover the sensor with the cap and restart this procedure. Measurement Tips For maximum accuracy allow the light being measured to fall directly on the sensor as perpendicular as possible with a minimal angle of incidence When the meter is not in use, please keep the protective cap in place over the light sensor.

  • Page 6: Specifications

    Specifications Display 9999 count, maximum display 9999 Sensor Silicon photodiode and filter 999.9,9999, 99990,400,000 Lux Measuring Range 99.99,999.9,9999,40,000 Footcandles 0.1,1, 10,100 Lux Resolution 0.01,0.1,1,10 Footcandles ±3% ±3Lux(0~500Lux), ±3%(up 501 Lux) ° Accuracy (Calibrated to standard incandescent lamp 2856 8% other visible light source °...

  • Page 7: Relative Spectral Sensitivity

    Relative Spectral Sensitivity The deviation from the comparative standards for luminosity is determined by JIS standard C 1609-1993. Peak sensitivity wavelength: 550 nm . Typ. Ta=23℃ V( λ) ＊ TM - 721 380 440 500 560 620 680 740 WAVELENGTH (nm) Typical Light Levels (1 Fc = 10.76 Lux) Foot...
  • Page 8 Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

Table of Contents