Quantum PAR Meter for LED Grow Lights - 400-700nm Wavelength Range with Temperature & Humidity Display | PPFD Meter with 36" Telescopic Wand | Ideal for Indoor Gardening, Hydroponics, Greenhouse & Grow Tent Measurements

PPFD Measurement Repeatability ±1 umol/m2/s Measurement Range 0-3999 umol/m2/s Display Resolution 0.1 umol/m2/s (0-999); 1 umol/m2/s (1000-3999) Cut-On Wavelength 400±10 nm Cut-Off Wavelength 700±10 nm Temperature Measurement Operating Temperature 0 ℃ - 50 ℃ (32 ℉ to 122 ℉) Display Resolution 0.1 ℃ (0.1 ℉) Accuracy Type ±0.3 ℃ , Max ±0.5 ℃ (±1 ℉) Response Time <1min RH Measurement Range 0-99% Accuracy ±3% Resolution 0.1% Power Requirements 4 x AAA batteries CO2 Controller for Grow Room CO2 Drilled Tubing 11x24 Vacuum Seal Bags 240 Volt Outlet Receptacle Sulfur Burner Vaporizer Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 3.9 out of 5 stars 46 4.2 out of 5 stars 31 4.7 out of 5 stars 11 4.2 out of 5 stars 13 4.3 out of 5 stars 30 Price $129.99$129.99 $19.99$19.99 $43.99$43.99 $82.99$82.99 $59.99$59.99 Detail Grow Room CO2 Controller Grow Room CO2 Injection Black and Clear 5 mil Thickness 240 Volt 20 Amp Outlet Services 1000 sqft Operating Instructions 1. Power On/Off Press the SET button to turn on the PAR meter, press again to turn off. Power OFF automatically when power on about half an hour without any operation. 2. Backlight Press the Recall button to turn ON/OFF the backlight. 3. Hold function Press the HOLD button to hold the measurement value, press again to exit this function. 4. Log function Press the SAVE button to record the current measurement data, the data recorded number will be flashing and shown on the screen. 5. To display your data history Press the Recall button about 2 seconds to view the recorded data (MEMO icon will be flashing), use UP or DOWN button to cycle through data records, press the ESC button to exit this mode. 6. To erase all stored log data Press the SET button about 2 seconds to enter the mode P10, press the ENTER button to P11, use UP or DOWN button to display the word “YES”, press the ENTER button to delete the records and return to P10, press the ESC button to exit this mode. 7. °C/°F switch Press the SET button about 2 seconds to enter the mode P10, press UP or DOWN button to P80 mode, press the ENTER button to P81, use UP or DOWN button again to switch °C or °F, press the ENTER button to save, press the ESC button to exit this mode.

High Precision The measurement range of the ppfd meter is up to 3999μmol/m²/sec, measure PAR flux in wavelengths ranging from 400 to 700nm, providing accurate and reliable readings

Data Logging This PAR meter can record up to 99 groups data, it's easy to review the previous readings in the meter, providing a quick and convenient way for the user to view recent measurements

Multi-Functional The sensor of PAR meter is designed with a 1/4'' tripod screw mount, 1.6x2 inch large LCD screen, calibration, data record, temperature and humidity display, backlight for easy reading

Sensor & Wand The sensor comes with 60 inch cable, not waterproof, can't be use under water. 36 inch telescopic wand allow you to measure the different position easily

Wide Applications Quantum PAR meter is portable, easy to carry and measure PAR level in different applications for grow room, LED grow lights and outdoor use