Digital Illuminance Meter : IM-600 / IM-600M

Ideal for evaluating next generation lighting
with wide range illuminance measurement

Digital Illuminance Meter

  • Outline
  • Features
  • Specification


This product is JIS-compliant AA class of illuminance meter. It has high reliability and high accuracy.
IM-600 is easy-to-use illuminance meter and capable of wide range measurement. It is ideal for next generation lighting to evaluate. And also there is another type of IM-600M. This product can be useful for small space and installation of a equipments.



  • Wide range measurement (0.005 - 999,000 lx)
  • Display unit and light sensing unit are Separable with optional cable (IM-600)
  • Multiple measurement function
  • Response time, screen flicker can be measured with oscilloscope
  • Zero calibration function without cap can be installed equipment



  • Development and design department for lighting equipment maker
  • Lighting system performance evaluation for building constructor
  • Management of light source for plant factory
  • Maintenance and management of light in factory, school, office, etc.
  • As a measurement sensor of production line or a variety equipments




Item Specification
JIS Class Conforms to the general AA class illuminance meter (JIS C 1609-1-2006)
Photo detector Silicon photo diode
Measurement Range 0.005~999,000 lx 
Cosine Correction


[IM-600]                      [IM-600M]
10° : Within ±1%          10° : Within ±1%
30° : Within ±1%          30° : Within ±2%
50°: Within ±5%           50°: Within ±6%
60° : Within ±5%          60°: Within ±7%
80° : Within ±10%        80°: Within ±25%
Relative Spectral Response 6% or less (*1)
Measurement Accuracy ±2% of rdg.  ±1 digit (Auto Range)
Measurement Mode Auto/Manual, 6-range
Measurement Function Illuminance(lx),  Illuminance difference(lx),  Illuminance ratio(%)
Integrated illuminance (lx·h),  Integration time (h),  Intensity of light (cd)
Calibration function CCF (Color Correction Factor) setting
Analog Output 0 - 3V
Interface USB
Power Source Size AA dry-cell battery×2 or dedicated adopter (option)
Use conditions Temperature : -10 - 40℃,
Humidity : 85% RH or less (no condensation)
Outer dimensions (W×D×H) 188×65×34mm, Sensor Unit (IM-600M) : 16×21mm
Weight IM-600: 200g,  IM-600M: 230g  *non-dry cell battery


Available Accessories

  • AC Adopter
: ZV-20
  • Extension cable
: ZV-21/ ZV-22/ ZV-23/ ZV-24/ ZV-25
  • Application software
: Bright Loader