Full Spectrum PAR (Photosynthetically Active Radiation) Meter

Unlock Optimal Plant Growth: Introducing the Sper Detachable Full Spectrum PAR Meter

In horticulture and plant science, understanding the precise light environment is paramount for maximizing plant health, growth, and yield. The key metric for this is Photosynthetically Active Radiation (PAR), which measures the light spectrum essential for photosynthesis (400-700nm). The new Sper Detachable Full Spectrum PAR Meter is an indispensable tool designed to give growers, researchers, and educators unparalleled accuracy and flexibility in monitoring these critical light levels.

Why Accurate PAR Measurement is Crucial: By consistently monitoring PAR levels, you can precisely adjust lighting intensity, duration, and spectrum to meet the specific needs of various plant species. This optimization leads to faster growth, improved plant health, higher yields, and more efficient energy consumption in greenhouses and indoor farms.

Key Features & Benefits:

• Precision Full-Spectrum Measurement: This advanced meter provides stable and highly accurate measurements of Photosynthetic Photon Flux Density (PPFD) across the full PAR spectrum (400 to 700nm). Its cutting-edge sensor technology ensures reliability under all light sources, including traditional HPS and modern LED grow lights, making it ideal for any cultivation setup.
• Detachable & Flexible Sensor Design: Experience ultimate versatility with the Sper PAR Meter's remote, detachable sensor. This innovative design allows you to hold the sensor by hand for quick spot checks or attach it to the included 36-inch extension/selfie stick to reach challenging areas deep within your plant canopy or grow tent. For long-term monitoring or precise placement, the sensor can also be securely mounted on any standard tripod (via its integrated screw mount), ensuring consistent and stable readings.
• User-Friendly Interface & Robust Construction: Equipped with a clear, easy-to-read LCD display, the meter offers excellent readability and simple controls, including convenient ZERO and RESET functions for effortless calibration. Built for durability, it operates reliably in various environmental conditions (0~50℃, <80% RH), making it a robust tool for both indoor and outdoor applications.
• Comprehensive Kit: Each Sper Detachable Full Spectrum PAR Meter comes complete with everything you need to get started: the main meter unit, the high-accuracy PAR sensor, both a 12 ft straight and a 4.9 ft coiled RJ11 cable for flexible connectivity, a 36-inch extension stick, detailed instructions, a robust plastic hard carry case for transport and storage, and 2 AAA batteries.

Versatile Applications:

• Horticulture & Indoor Farming: Essential for commercial growers and hobbyists alike, this meter allows for precise optimization of grow lights. By accurately measuring PAR levels, users can adjust lighting intensity, duration, and spectrum to meet the specific needs of different plant species, ensuring robust growth, efficient photosynthesis, and maximized yields for everything from leafy greens to flowering plants.
• Plant Physiology Research: A vital instrument for scientific studies, the Sper PAR Meter enables researchers to investigate the intricate effects of varying light conditions on plant processes. It facilitates detailed analysis of photosynthetic rates, chlorophyll production, growth morphology, and overall plant development, providing critical data for academic and applied plant science.
• Environmental Science Studies: Environmental scientists can deploy this meter to assess natural light environments in ecosystems. It aids in understanding how factors like canopy cover, atmospheric conditions, climate change, and pollution impact the PAR availability for plants, contributing to broader ecological research and conservation efforts.
• Educational Demonstrations: An excellent teaching tool for biology, botany, and horticulture courses. Students can gain hands-on experience in measuring PAR levels, directly observing the importance of light in plant life, and understanding the principles of photosynthesis, making complex concepts tangible and engaging.

Technical Specifications (Model: 860054):

• Spectral Response: 400±10nm ~ 700±10nm
• Measurement Range: 0 ~ 4000 μmol/m²/sec
• Display Resolution:
  • 0.1 μmol/m²/sec (for 0-999 μmol/m²/sec)
  • 1 μmol/m²/sec (for 1000-4000 μmol/m²/sec)
• Accuracy: ±5 μmol/m²/sec or ±5% of reading (whichever is greater)
• Repeatability & Non-linearity: Less than 3% (up to 4000 μmol/m²/sec)
• LCD Update Time: 0.5 seconds
• Field of View: 180° (Hemispherical)
• Directional (Cosine) Response: ±5% at 75° zenith angle
• Calibration Uncertainty: ±5%
• Temperature Response: ±0.02% per ℃
• Functions: ZERO, RESET
• LCD Size: 25(H) x 40(W) mm
• Operating Temperature: 0 ~ 50℃
• Operating Humidity: < 80% RH (non-condensing)
• Storage Temperature: -10 ~ 50℃
• Storage Humidity: < 90% RH (non-condensing)
• Dimensions:
  • Meter: 115(L) x 60(W) x 24(H) mm
  • PAR Sensor: 80(L) x 45.6(W) x 26(H) mm
• Cables: 12 ft straight RJ11 cable, 4.9 ft coiled RJ11 cable
• Selfie Stick (Extension): 22 cm (stored) to 100 cm (extended)
• Weight: ~115g (without battery and cables)
• Power Supply: 2 x AAA batteries (less than 10mA consumption)
• Standard Package Contents: Meter, PAR Sensor, Straight Cable, Coiled Cable, Extension Stick, Batteries, Manual, Hard Carry Case
• Long-term Drift: Less than 2% per year