Tenmars TM-720 User Manual
  1. Manuals
  2. Brands
  3. Tenmars Manuals
  4. Measuring Instruments
  5. TM-720
  6. User manual

Tenmars TM-720 User Manual

Lux/fc light meter
Hide thumbs
Table of Contents

Advertisement

Quick Links

LUX/FC Light Meter
TM-720
User's manual
HB2TM720MI01
TENMARS ELECTRONICS CO., LTD

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TM-720 and is the answer not in the manual?

Questions and answers

Related Manuals for Tenmars TM-720

Summary of Contents for Tenmars TM-720

  • Page 1 LUX/FC Light Meter TM-720 User’s manual HB2TM720MI01 TENMARS ELECTRONICS CO., LTD...

  • Page 3: Table Of Contents

    CONTENTS     Description............ 1     Safety Precaution ......... 1     Preface ............2     features............3     Specifications..........4     Operation ............5     6.1. LUX/FC button:........5     6.2. CAL/ZERO button:......5  ...

  • Page 4: Description

    TM-720 1. Description Measures light from visible luminaries equipped fluorescent, metal halide, high-pressure sodium and incandescent sources. 2. Safety Precaution CAUTION Be extremely careful for the following conditions while measuring  Do not operate the meter under the environment with explosive gas (material), combustible gas (material) steam or filled with dust.

  • Page 5: Preface

    TM-720 ℃ ℃ 60 , 0%~ 70%RH.  EMC: EN61326-1(2006), IEC 61000-4-2(2008, IEC 61000-4-3(2006) + (2007). 3. Preface The flux of light received in a unit area of a certain side being shown is popularly known as illumination. The measuring unit in both United...

  • Page 6: Features

    TM-720 4. Features  Overload Indication: LCD screen will show “OL” on the upper left-hand corner.  Low battery Indication " ".  Sampling Rate: 2.5 times per second for digital display.  Spectral response close to CIE luminous spectral efficiency.

  • Page 7: Specifications

    TM-720 5. Specifications 4000 count, maximum display Display 3999 Sensor Silicon photodiode and filter Measuring 400,4000, 40000,400000 Lux Range 40,400,4000,40000 Footcandles ±3% ±3Lux(0~500Lux), ±3%(up 501 Lux) (Calibrated to standard Accuracy ° incandescent lamp 2856 8% other visible light source °...

  • Page 8: Operation

    TM-720 6. Operation 6.1. LUX/FC Button: Select LUX/FC. 6.2. CAL/ZERO Button:  Calibration of 1000 LUX: 1. Prepare the 2856 °K /1000 Lux light source. 2. Press CAL button and POWER button more than 2 second the LCD will display CAL.

  • Page 9: Max/Min/Avg Button

    TM-720 6.3. MAX/MIN/AVG Button: Press “MAX/MIN” button simultaneously Lockup data maximum and average and minimum value of measure data. Press the “MAX/MIN” button for more than 1 second to disable this feature. 6.4. Data Hold Button: Freezes the reading present on the LCD screen at the moment the button is pressed.

  • Page 10: Instrument Description

    TM-720 7. Instrument Description 1. Photo detector cover. 2. Photo detector. 3. Display (LCD). 4. Lux/Fc button. 5. Calibration and ZERO button. 6. Data hold button. 7. Maximun/Average/minimum button. 8. Power Button: ON/OFF.

  • Page 11: Relative Spectral (Sensitivity)

    TM-720 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-720 WAVELENGTH (nm) ＊CIE luminous spectral luminous...
  • Page 12 TM-720 Attention  Set for referring the testing of source of light is located at the right top end (0 degree) of the light sensor ball plane.  When the meter is not in use, please keep the cap of the light sensor in its place to avoid the photo diode from wearing out.

  • Page 13: Recommended Levels Of Illumination

    TM-720 10 Recommended Levels of Illumination Suitable levels of illuminance (According to the JIS standard Z 9110-1979)  Offices Illuminance (lux) Place Offices, designing, drawing 1500 to 750 rooms Offices, conference rooms, 750 to 300 computer rooms Workrooms, corridors, 300 to 100...
  • Page 14 TM-720  Schools Illuminance(lux) Place Precision drawing or drafting, 1500 to 300 precision experimenting, library Classrooms, library reading 750 to 200 rooms, staff rooms, gymnasia Lecture halls, assembly rooms, 300 to 75 locker rooms, corridors, stairways and restrooms Warehouses and emergency...

  • Page 15: Battery Replacement

    TM-720 11 Battery Replacement WARNING If the symbol ” ” appears on the LCD, please replace the battery immediately 1. Remove the battery cover 2. Replace the battery. 3. Install the battery cover. 12. END OF LIFE Caution : this symbol indicates...
  • Page 16 Clamp meter, Multimeter, Phase Rotation test, Digital Insulation teste Our products of high quality are selling well all over the world TENMARS ELECTRONICS CO., LTD 6F, 586, RUI GUANG ROAD, NEIHU, TAIPEI 114, TAIWAN. E-mail : service@tenmars.com http : //www.tenmars.com...

Table of Contents