Product Description The hand held APM 092 par meter provides accurate and cost-effective measurement for all light sources used to grow plants. It is designed to measure PAR (Photo synthetically Active Radiation) flux in wavelengths ranging from 400 to 700nm. In controlled environment agriculture (CEA), it is ideal for growers to measure light to avoid the risk of wasting energy or damaging their plants. Basic Info: Model NO. APM092 Power Source 3VDC Trademark OEM/ODM Origin China KunShan Sensor Type PPFD HS Code 9031499090 Mearsurement Range 0~5000 umol/m2/sec1 Production Capacity 80000 Pieces/Year Battery 5# internal Transport Package Carton Main Unit: Size 115 x 60 x 24mm Package Type 1 pcs/Color Box Weight 115g Device only Feature: Ø Repeatability +/-1 μmol/m2/sec Ø Measurement Range 0-5000 μmol/m2/sec Ø Display Resolution 0.1 μmol/m2/sec (0-999); 1 μmol/m2/sec (1000-5000) Ø Cut-On Wavelength 400+/-10nm Ø Cut-Off Wavelength 700+/-10nm Ø Memory Record 100 Data log Ø Average/Max/Min record display Ø The last four data record display for 4 corner of the test room Operating Instructions LCD Display: Operating Instructions: Initial Setup: When first unboxing, please open the battery cover, and pull out the battery insulator. All the LCD segments will be on. Then the quantum meter beginning measurement. Usually, your product is ready, no need to initial setup or calibration. Troubleshooting: Symptom Cause Remedy Power is not turned on Turn on the power button Battery is empty Replace battery Cable error Please check the cable, maybe there is some electrical short LCD main display show"----" Sensor unit is not working Please check the cable and redo connect. Cable connect error Please check the cable and redo connect. Some foreign body in RJ11 port Please check RJ11 port, maybe there is some foreign body in RJ11 port. LCD no display, only battery icon flash Battery is empty Replace battery Specifications Typical test conditions, unless otherwise specified: Ambient Temp =23+/-3°C, RH=50%-70%, Altitude=0~100 meter Measurement Specifications Operating Temperature 32°F to 122°F (0°C to 50°C) Storage Temperature -4°F to 140°F (-20°C to 60°C) Operating & Storage RH 0-95%, non-condensing PPFD Measurement Repeatability +/-1 μmol/m2/sec Measurement Range 0-5000 μmol/m2/sec Display Resolution 0.01 μmol/m2/sec (0-99.99); 0.1 μmol/m2/sec (100-999); 1 μmol/m2/sec (1000-5000) Measuring Rate 1 measurements per second Cut-On Wavelength 400+/-10nm Cut-Off Wavelength 700+/-10nm Power Requirements 2 x 1.5 V size AAA alkaline manganese cell or suitable rechargeable battery Dimension 115 x 60 x 24mm Weight 115g (without batteries ) Application About Us KUNSHAN AST Optoelectronics CO., LTD designs, develops and manufactures high quality and affordable electronic device, especially in the field of NDIR gas measurement, our team has 15 years of development experience. We are ISO 9001 certified ODM/OEM Company, we cooperate with many world-renowned brand companies, and our products are sold to more than 20 countries around the world, mainly the U.S.A, Europe and Japan. Our engineers design our products while keeping the following goals in mind: to ensure the highest level of quality, accuracy, our design team strives to improve the competitive edge of our products to help you develop a broader market. Our team is committed to the research and development of infrared measurement. Especially in the field of NDIR gas measurement, our