============================================================
Reading 1 (t=0.01s)
============================================================
  Device: HPCS6500
  Date: 2026-02-04  Time: 15:58:55

  --- Photometric ---
  Phi (lm):          479.98
  eta (lm/W):         57.09
  CCT (K):             5653
  Duv:              0.00551

  --- Chromaticity ---
  x:   0.3289    y:  0.3488
  u:   0.2015    v:  0.3206
  u':  0.2015    v': 0.4809

  --- CRI ---
  Ra:  83.0    SDCM: 4.69
  R1=82, R2=94, R3=93, R4=77, R5=82, R6=89, R7=83, R8=64
  R9=5, R10=84, R11=76, R12=60, R13=87, R14=97, R15=76

  --- CIE 1931 ---
  X: 662.526  Y: 702.748  Z: 649.286
  TLCI-2012: 68

  --- Radiometric ---
  Phi_e (mW):      1492.631
  Phi_eb (mW):      470.398
  Phi_ey (mW):      680.493
  Phi_er (mW):      331.425
  Phi_efr (mW):      11.458

  --- Electrical ---
  Voltage (V):       230.31
  Current (A):       0.0653
  Power (W):          8.407
  Frequency (Hz):     50.02
  Power Factor:      0.5591

  --- Sensor ---
  Peak Signal:        53066
  Dark Signal:         2219
  Compensate:          2834

============================================================
Reading 2 (t=2.13s)
============================================================
  Device: HPCS6500
  Date: 2026-02-04  Time: 16:02:06

  --- Photometric ---
  Phi (lm):          479.89
  eta (lm/W):         57.09
  CCT (K):             5655
  Duv:              0.00550

  --- Chromaticity ---
  x:   0.3288    y:  0.3488
  u:   0.2015    v:  0.3206
  u':  0.2015    v': 0.4809

  --- CRI ---
  Ra:  83.0    SDCM: 4.67
  R1=82, R2=94, R3=93, R4=77, R5=82, R6=89, R7=83, R8=64
  R9=5, R10=84, R11=76, R12=60, R13=86, R14=97, R15=76

  --- CIE 1931 ---
  X: 662.427  Y: 702.620  Z: 649.490
  TLCI-2012: 68

  --- Radiometric ---
  Phi_e (mW):      1492.469
  Phi_eb (mW):      470.073
  Phi_ey (mW):      679.697
  Phi_er (mW):      330.648
  Phi_efr (mW):      11.237

  --- Electrical ---
  Voltage (V):       230.30
  Current (A):       0.0653
  Power (W):          8.406
  Frequency (Hz):     50.02
  Power Factor:      0.5592

  --- Sensor ---
  Peak Signal:        53055
  Dark Signal:         2246
  Compensate:          2834