| Customization: | Available |
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| After-sales Service: | 2 Years |
| Type: | Photoelectric Light Meters |
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The handheld APM131 par meter mainly used for agriculture, forestry and other research and production departments for PAR radiation measurement.
It is designed to measure PAR (Photo synthetically Active Radiation)and DLI (Daily Light Integral) function flux in wavelengths ranging from 400 to 700 nanometer. Its characteristics are the spectral response simulation probe photosynthetic function effectively, digital show, portable compact, with good accuracy and stability.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. | APM131 | Power Source | 3VDC |
| Trademark | OEM/ODM | Origin | China KunShan |
| Sensor Type | PPFD | HS Code | 9031499090 |
| Mearsurement Range | 0~4000 umol/m2/sec1 | Production Capacity | 80000 Pieces/Year |
| Battery | 7# internal | Transport Package | Carton |
| Main Unit: Size | 115 x 60 x 24mm | Package Type | 1 pcs/Color Box |
| Sensor Unit: | 80 x 45.6 x 26mm | Weight | 115g Device only |
Feature:
Ø Display Resolution 0.1 μmol/m2/sec (0-999); 1 μmol/m2/sec (1000-3999)
Ø Repeatability +/-1 μmol/m2/sec
Ø Measurement Range 0-4000 μmol/m2/sec
Ø With DLI (Daily Light Integral) function
Ø Cut-On Wavelength 400+/-10nm, Cut-Off Wavelength 700+/-10nm
Ø Memory Record 100 Data log
Ø MAX/MIN/AVG value display
LCD Display:
| 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 |
Typical test conditions, unless otherwise specified: Ambient Temp =23+/-3°C, RH=50%-70%, Altitude=0~100 meter
| Measurement | Spec |
| 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 | 0-3999 μmol/m2/sec |
| Display Resolution | 0.1 μmol/m2/sec (0-999); 1 μmol/m2/sec (1000-3999) |
| Cut-On Wavelength | 400+/-10nm |
| Cut-Off Wavelength | 700+/-10nm |
| Power Requirements | 2 x AAA batteries |
| Dimension | Main Unit: 115 x 60 x 24mm Sensor Unit: 80 x 45.6 x 26mm |
| Weight | 115g (without batteries and cable) |
Reliability
Stable, accurate, measurements of all photons between 400-700nm+/-5nm, with a drift rate of less than 2% per year.
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 team has 15 years of development experience, and professional engineering development experience allows us to continue to receive high praise from customers. We continue to invest and improve in research and development, automatic calibration equipment, and automatic testing equipment, so that we can better serve and meet the expectations of our global partners. Mutual benefit and win-win with partners.
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