Top 10 Best PAR Light Meter Reviews For LED Grow Lights Canada 2021

Best PAR Light Meter Canada: Plants do not absorb and make use of all the light that they are exposed to be it the light from grow lights or the light of the sun. They reflect a big portion of the entire light spectrum and only keep the Photosynthesis active radiations (PAR).

The wavelength of PAR ranges between 400-700nm. A PAR meter helps you to determine the PAR range of the light which is beneficial for the plants. When you purchase the grow light, how do you know that the LED grow light will actually produce enough light for the plants that are beneficial for them? Well, this is where the PAR meter helps.

In the section below, we will get to know about the Best PAR Light Meter Reviews For LED Grow Lights Canada out there

Our Picks of Top 10 Best PAR Light Meter Product Reviews For LED Grow Lights Canada in 2021

1. Apogee MQ 510 Quantum Par Meter

Apogee MQ 510 Quantum Par Meter

The Apogee Mq 510 is one of the best meters out there especially for those who grow weed hydroponically. It is fast, accurate, with great reliability and measures in aquarium par meter. It takes measurements for both the white and colored LED grow lights.

It is a hand-held meter attached with cable. It helps in displaying and storing the measurements. It features a blue-enhanced silicon diode with customed optical filters. This is also capable of measuring the PAR from the incandescent lamps and pressure sodium lamps.

It is quite affordable despite the presence of many useful features. It is waterproof and has a spectral range of 389 to 692nm±5 nm. It is lightweight and portable, and one of the easiest ways to use. This comes with sensoring mounting brackets.

  • Lightweight
  • Portable
  • Easy to use
  • Waterproof
  • Comes with sensoring mounting bracket
  • Its probe cable is not much flexible

2.Plant PAR Meter – High Precision, Rechargeable Grow Light meter, Indoor Plants meter

Plant PAR Meter - High Precision, Rechargeable Grow Light meter, Indoor Plants meter

Hyrdofarm is a well-established and equipped hydroponics supplier. It keeps your costs down while bringing you the best features. You should take a look at this PAR meter as it is one of the most affordable PAR meters. Make sure that it is suitable for all the purposes that you want to get out of these.

The PAR value ranges from 400-700nm and ranging up to 10000 umol/s. It is a fully portable model. It is made up of rigid black plastic which makes it lightweight. The material is durable and weighing just 7 pounds. Its simple LED display is clear and easy to use.

This has the data-logging system as well which saves all the data saving it in the memory. Its sealed buttons are usable in every condition and the display is not back-lit. The screen is largely making it clear to read. A standard USB is present to charge the meter. The external power supply can be used for charging and it gets charged within an hour.

When the battery runs low and an indicator is there to notify it. Just switch ON the light when you need to use the PAR meter.

  • No batteries
  • Inexpensive
  • Increased sensitivity
  • Lightweight
  • Sensor is not better positioned
  • Instruction manual not provided

3.Sun System PAR Meter with Remote Sensor

Sun System PAR Meter with Remote Sensor

The Sun System PAR light measures the intensity for both the growth and the natural light. The integrated and remote both, the sensors are available for this device. Its small size makes it more convenient to use and carry.

The buttons on the PAR light meter sensor make it very convenient to use and enhance the usability of the product. It also allows the user to choose between automatic and manual operations. 

This PAR meter can take up to ninety-nine readings and for the final result, it takes up the average and displays it. A manual is also provided with it to help you understand that how to use the PAR meter along with one year warranty of the product. It is not waterproof and its price tag shows how expensive is this despite being waterproof also.

Set the PAR meter inside with the grow light or outside in the natural sunlight. It has a compact size.

  • Longer life span
  • Small size
  • Easy to use
  • A greater number of readings can be taken
  • Expensive
  • Not waterproof

4.Dr.Meter Digital Light

Dr.Meter Digital Light

Dr. Meter is one of the most regarded and famous PAR light meters in the market. It has a top-rating in sales, and this is why it is the most in-demand need and every grow tent needs it for the plants inside it. This PAR meter is not only good for the grow tents but it is also good for the monitoring of the plants.

Dr. Meter comes with ultra-precise, fast, and accurate results every time. It takes and motes the readings quickly and also has a high efficiency which is due to its super-fine and fats calibration sensor that measure the levels absolutely fast.

The meter is very easy to use as all you have to do is point the meter toward the light source and the results will be shown instantly on the LCD screen. The meter comes with pre-settings and adjustments for data hold, auto power shut off, and unit adjustment. This PAR meter can rotate about 270 degrees and this is possible to cover all the light.

  • Super-fast response
  • Greater battery life
  • High-efficiency
  • Excellent for beginners
  • Affordable
  • It is not made for the LED grow light

5.New Quantum PAR Meter

New Quantum PAR Meter - High Precision, Grow Light meter, Indoor Plants meter

The New QUnatum PAR meter features the most durable and sleek designed Photosynthetically Active Radiations (PAR). It is a fully portable, and handheld PAR meter that features highly accurate results with the integrated PAR sensor that measures the intensity ranging from 400 to 700 nm. It measures 10000 moles as compared to the other meters which measure only 2000 moles.

It also has the data logging ability which is done through the mini-USB cable. This data is stored in the form of excel and then be accessed and analyzed later. Its constant and linear response curve yields a higher accuracy independent of the wavelength perfect for the measurement of the LED light output.

The automatic sun and electric light calibration modes ensure that the readings are accurate no matter what is the source. The logging software of the PAR meter is compatible with Windows XP, 7, and 10 only.  This PAR meter is worth the price as it gives accurate results and, amazing features for its less price. It has an extremely high accuracy test.

  • Easy and clear display
  • Study design
  • Small size
  • Lightweight
  • Easy to hold
  • No backlight is present

6.Extech LT40 Led Light Meter

Extech LT40 Led Light Meter

The Extech LT40 LED light meter is one of the advanced and useful PAR meters. Also, this has an amazing display with a clear big LCD screen. It has the humidity and temperature datalogger can records up to 16,000 Humidity and 16,000 Temperature readings with selectable sampling rates of 2s, 5s, 10s, the 30s, 1min, 5min, 10min, 30min, 1hr, 2hr, 3hr, 6hr, 12hr, and 24hr.  It has a Humidity range of 0 to 100 percent RH, a Temperature range of -40 to 158 degrees F.

Its USB connector easily plugs into a PC for data analysis. Its USB interface is good for easy setup and data download. This PAR meter also has selectable data sampling rates. The display is very good. The LCD shows the current measured readings, minimum and maximum readings, and the alarm status of the meter.

The PAR meter can easily be attached and connected to the PC with Windows XP, 2000, and Vista compatible analysis software. In this way, the PAR meter readings can also be analyzed and shifted to the PC which can be learned and analyzed easily.

The PAR light meter is complete with a 3.6V Lithium battery. It also comes with a mounting bracket and a combination. All this completes the set of the PAR meter to be used.

  • Easy to carry and handle
  • Good in-built memory
  • Hand-free operation
  • Sturdy
  • NO backlight

7.Extech LT45 Led Light Meter

Extech LT45 Led Light Meter

This Extech LT45 LED Light meter is useful in the measuring and optimization of the levels of light in the environment in an open environment or a wide range of environments like offices, warehouses.  manufacturing plants, schools, colleges, university campuses, and other locations. Light meters are used to verify the regulatory compliances, state, and local public safety codes, and ordinances.

The LT45 uses a detachable light sensor which is connected with a coiled cable that is expandable up to 59 inches, this is for measuring both the white and the colored light( red, yellow, blue, oranges, etc) LED lights as well as the standard light sources. The standard light sources like incandescent lamps, high-pressure sodium lamps, metal halide, and fluorescent lamp’s intensity can also be measured by the PAR light meter.

This PAR meter has a strong memory. It can take up to 99 readings and recalls the readings very well. The PAR meter comes with a protective sensor cover, 9-V battery, hard case, and the user manual. The user manual is detailed with instructions to let you know how this works.

  • Sturdy design
  • Easy to use
  • Affordable
  • Color correction available
  • Strong recall memory
  • No backlight

8.Extech SDL400 Light Meter

Extech SDL400 Light Meter

The Extech SDL400 is an amazing datalogger. It measures the intensity of light in three ranges from 2,000/20,000/100,000 LUX or Foot-candles and this is done through the supplied dome light sensor. This automatically ranges the light sensor measurements and the light-sensor spectrum.

It is a handheld light meter that also displays and logs data of the temperature readings through the Type J  and the Type K thermocouples. The data of the logged readings can be stored on an SD card and in the Excel format for transferring into PC for better analysis.

It operates with the help of 6 AA batteries. The display is back-lit and large which makes it easy to read. It gives the temperature readings both in Fahrenheit and Celsius. You can easily select the manual or the automatic data logging. Also, its adjusting sampling range is flexible which allows you to choose from 1 to 3600 seconds.  It provides the cosine and the color-corrected measurements.

  • Wide range of light measurement
  • Color-corrected measurements
  • Spectral response filter present
  • Good design
  • Not for the beginners

9.BTMETER Digital Illuminance Light Meter 

BTMETER Digital Illuminance Light Meter

This BTMETER PAR meter has wide applications and measures luminosity ranging from 0.1- 200,000Lux. It has a resolution of 1 LUX with a sampling rate two times than the others. This Digital Illuminance Light meter can test for the different kinds of light sources like incandescent, fluorescent, flashlight, aquarium fish tank lamps, flashlight, and the bulbs of the schools, offices, and homes. It measures the intensity of the light quite accurately.

Sufficient light is important for the plants to thrive so this PAR meter measures the light which is available to the plants that either it is good for the plants or it is damaging them. The PAR light meter helps you to avoid over-lighting and serves as a brightness tool. It helps to keep the light at its optimum.

This tester’s display is back-lit with a clear and large display. Its back-lit feature helps in reading in the dim or dark light areas. It has a data-hold feature for the freezing of the data. The PAR meter comes with a high-quality zippered carrying case which is convenient for both indoors and outdoors. Its sensitive silicon diode with filter provides the measurements in high-degree accuracy.

  • No over-lighting
  • Clear reading display
  • Sensitivesilicon phoo diode available
  • Luminosity gauge present
  • Material is not much sturdy

10.Crisea Digital Illuminance Light Meter

Crisea Digital Illuminance Light Meter

The light measuring range of this high-precision PAR meter is up to 200,000 Lux. It also measures temperature and the range is – 10℃ to 50℃; 14°F to 140°F. The accuracy of this PAR light meter in measuring the light intensity is very high when ≤10,000 lux.

The PAR meter is very important in measuring the intensity of the light that is provided to plants in the greenhouse, or the hydroponics garden. This is very important for the plants so your garden would thrive and the veggies and flowers will grow properly.

With a very high measurement resolution of up to 1 lux and 0.1 degrees centigrade. The light meter has a sampling frequency of 2 times per second. The light meter can test the grow light fixtures immediately when turned on, with a comfortable hand-touch. It is also small and easy-to-touch. You can reach out anywhere for quick detection and recording.

This PAR light meter has an automatic ON/OFF, overloading warning, data hold function, and max/min ranges make your super-easy. This makes the process of measuring the intensity of light very convenient. 

  • Hold data having a good memory
  • High precision
  • Overloading warning
  • Automatic power off
  • No backlight

BUYING GUIDE Of Best PAR Light Meter Reviews For LED Grow Lights Canada

One of the most important things to consider is what you wanna purchase or what will be best for you. The PAR light meters will help you make your garden thrive and live happily and healthily. The light intensity that the plants get is the most important part of the plant’s growth.

So, we have to make sure that you do not fall behind in gardening. The PAR meters need to accurate in all aspects. The accuracy, auto-zeroing, low battery indicator function, data holding capacity, and many other features are the basics of a PAR meter that you need to look at and consider.

Lets get into the details.

Design and Durability

The design of the PAR light meter should be like that it is handy for you. The material is so good that you need not worry about the breakage or any hazard due to this. It should be a fully portable model. Its lightweight-ness and durability make it the most reliable.

The LCD should be large and easy to ready display should be there in its features. Mostly, PAR meters are made up of Thick but good-quality plastic. Your eyes must be on that type of PAR meter to avoid any inconvenience in the future.

A plus in the display of the PAR meters would be that its display is back-lit which will help you taking readings in dark or dim light also.


The PAR meter runs in the built-in lithium battery. This allows it to keep going and working for a long time. A strong, extendable, and standard USB cable is also provided with some PAR meters.

The PAR meters usually charge to their full within an hour when plugged into the charging station or the external power supply. The meter usually turns off after two minutes of being in action, this is for the conservation of energy. For the indication of low-battery, an indicator is present in it.

Light Measurement

When you and the PAR meter are ready to measure the intensity of light, you then simply need to switch on the PAR meter. It gets calibrated easily and automatically, either using the sunlight or any other electric lighting system. This is to make sure that the readings are accurate.

A sensor is also attached to the ergonomic handles of the meters. The meters have a light intensity measurement range of 400-700 nm. The meter can even read from 0 umol up to 30,000 umol of light.


Data logging is also an important and essential feature. The data appears in the form of a constant linear-response curve while some meters also produce a result in the form of the gaussian curve. You can log up to 99 readings and some PAR meters give the final result in the form of an average.

The data-logging capability capture and save each of the reading in the form of excel sheets. These then can be connected with the PC. You can process and analyze the readings afterward. Using proprietary software, the data and readings can be graphed and analyzed in this form.


Budget is an obvious thing to keep in mind. Look at the features.  Observe what is good for you and your hydroponic garden. This will helps you select the best PAR meter for yourself. You may want a light meter that is beyond what you afford. If that is the case, then you should go for the alternative one with a cheaper price but having the features of the same quality.

Do not go cheap for the sake of saving some bucks. This will lead to regret only and you might need to buy another PAR light meter. This approach will cost you more. Do not go bend what you can afford if you can find something similar to what you have.

FAQS Of Best PAR Light Meter Reviews For LED Grow Lights Canada


If you are a serious grower, then having a light meter is important for you. This is especially essential for the commercial growers that want to harvest weed or cannabis to make a huge amount of money. The par meter helps to expose the plants to the right amount of light and the correct lighting system without getting them at risk. All the above-mentioned par meters are the best choices made by many growers, however, it’s up to you to choose which one you want to select. We hope we have helped you get the proper idea about the par meters.