PG100N Handheld PAR Meter


The PG100N is a lightweight, portable, and easy-to-operate Spectral Light Meter or Spectral Illuminance (LUX) Meter designed for agriculture and horticulture applications.  It is an interactive system and offers analytical reporting for spectrum, PPFD, PFD, auto-monitoring, and other parameters needed to understand ambient light conditions for plant growth and the adjustment of artificial light sources to efficiently control production, safety, and yield.


Precision, Power and Portability in a Compact & Lightweight Package

  • Completely Stand-Alone Operation - no other equipment necessary (e.g., PC, Smartphone, etc.) 
  • Stability, speed and accuracy with advanced CCD sensor technology
  • Built-in file browser allows for quick access to saved data
  • 3.5” color touch screen with intuitive menu selection
  • Wi-Fi remote control option with IOS or Android applications
  • Automatic continuous measurements with data-save to an SD card
  • Complies with JIS AA and DIN B Class illumination standards and  NIST traceable calibration
  • Detachable sensor head for remote measurements

System Configuration


CMOS linear image sensor


320 x 240 (3.5 in) resistive touch LCD

Maximum Files

68,000 with 8 GB SD card, compatible with Excel® and JPG

Battery Operation

Up to 5 hours, onboard 3.7 V Li-ion

External Power

Adapter (included), 2500mAh via USB connector

Data Interface

SD card  (SD2.0.SDHC up to 32 GB) or  mini USB port (USB 2.0) or Wi-Fi SD card (IOS or Android)


200 mm (7.9 in) H x 78 mm (3.1 in) W x 26.2 mm (.95 in) D                       276 g (0.6 lbs) including battery

Language Options

English, Traditional Chinese, Simplified Chinese, Japanese, Spanish, German, French, Italian, Russian

Product Features

Capture Function

One-time or continuous

Operation Mode

Stand-alone, WiFi or USB (to PC, mobile device or tablet)

Integration Mode

Auto or Manual

Automatic Dark Calibration

Auto mode

Measuring Modes

Basic                                          Spectrum                                 CRI                                               PFD

PPFD                                          Logging                                    Browser                                     Option

Measuring Capabilities

Light & Color Parameter

Illuminance (lux) or Foot-candle (FC)

Correlated Color Temperature (K)

CIE Chromaticity Coordinates

CIE 1931 x,y           CIE 1976 u’, v’

ΔX, ΔY, ΔU’, ΔV’

Delta UV; DUV

Dominant wavelength; ƛd (nm)

Chroma Purity (%)

Scotopic and Photopic ratio: S/P

Light & Color Evaluation

Color Rendering Index (CRI, Ra) R1 to R15

Spectral Power Distribution (SPD) mW/m2

Peak Wavelength (ƛp) nm

Peak Wavelength Value (ƛpV) mW/m2

Integration time (I-time)

Irradiance (380 to 780 nm) W / cm2

Photosynthetically Active Radiation (PAR)

PPFD from 400 to 700 nm

PFD-R from 600 to 700 nm

PFD-G from 500 to 600 nm

PFD-B from 400 to 500 nm

PFD from 380 to 780 nm

PFD-UV from 380 to 400 nm

PFD-FR from 700 to 780 nm

Specifications are subject to change without notice.


Related Products

Gamma Scientific tests and characterizes both lamp-based and solid-state-based horticultural light sources over the PAR range from 400 to 700 nm with full NIST-traceability.

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