For Scientists & Serious Growers

Designed by the Apogee Instruments’ engineering team under the direction of world-renowned crop physiologist, Bruce Bugbee, PhD, the MQ-610 ePAR meter is the first in its class among leading scientists and serious growers for accurately measuring the new extended photosynthetically active radiation (ePAR) from 400 to 750 nm for all light sources.

New ePAR Range

Laboratory-grade measurement of the newly defined 400-750 nm ePAR has been found to be photosynthetically active beyond the traditional 400-700 nm (PAR). Much of the transformative work to define the ePAR range was conducted by Dr. Shuyang Zhen and Dr. Bruce Bugbee. The MQ-610 can accurately measure far-red photons (700-750 nm), found in many next-generation LED fixtures, the sun, and other light sources, which cannot be measured by traditional PAR meters.

Quality ePAR Meter

Unlike commonly available LUX or footcandle meters used for measuring light for human vision, our meters feature a laboratory-grade ePPFD (extended photosynthetic photon flux density) optical detector precisely calibrated to measure the light intensity in µmol m-2 s-1 of the specific color wavelengths (including far-red) emitted by LEDs, HPS, MH, sunlight, and other light sources utilized by plants for photosynthesis. The sensor contains a precision silicon photodiode detector, a custom optical filter, and an acrylic diffuser all housed in a self-cleaning, dome-shaped, anodized aluminium sensor head.

Extremely Accurate & Stable

Precisely measures and combines the intensity of all photons between 400 and 750 nm to give a single ePAR reading in µmol m-2 s-1 within 5 % uncertainty. Our ePAR meter has a stable, accurate calibration with an accuracy drift rate of less than 2% per year.

Three Measurement Modes

The meter has a spot measurement, sample, and log mode and will record an integrated daily total in mol m-2 s-1. Sample mode will record up to 99 manual measurements and log mode will power the meter on and off to make a measurement every 30 seconds. Every 30 minutes, the meter will average the sixty 30-second measurements and record the averaged value to memory, up to 99 averages. Once full, it will overwrite the oldest measurements with new ones. A daily light integral will be recorded from the 48 averaged measurements for a day’s worth of readings and is downloadable via Apogee AC-100 cable.

Rugged & Ready to Use

The sensor head is machined aluminium and potted solid with epoxy for years of use in harsh environments, including underwater. The handheld meter is attached by a cable and displays real-time readings, records samples, and logs average intensity and daily light integral (DLI) measurements. Unlike the sensor head, the handheld meter is not waterproof.

Made in The USA

All meters are designed, built, and calibrated at our headquarters in Logan, Utah, USA. Apogee Instruments has been creating research-grade instruments for scientists and serious growers for over 25 years. All meters are backed by our industry-leading four-year warranty and supported by our world-class, US-based customer support team.

How is the MQ-610 different from previous Apogee quantum sensors?

The MQ-610 is an extended photosynthetically active radiation (ePAR) sensor with a spectral range of 400 to 750 nm ± 5 nm, which can be seen in the graph below.

Where is the MQ-610 used?

The MQ-610 is used for measuring the newest generation of LED grow lights with wavelengths outside the traditional 400-700 nm PAR range. Research has shown the value of adding far-red LEDs to fixtures to control various diseases, achieve certain photomorphogenic effects, and even gain additional photosynthesis. The extended range filter of the MQ-610 allows it to measure photons from PAR and Far-red.



Calibration Uncertainty

± 5 %

Measurement Range

0 to 4000 µmol m-2 s-1

Measurement Repeatability

Less than 0.5 %

Long-term Drift (Non-stability)

Less than 2 % per year

Non-linearity

Less than 1 % (up to 4000 µmol m-2 s-1)

Response Time

Less than 1 ms

Field of View

180°

Spectral Range

400 to 750 nm ± 5 nm (wavelengths where response is greater than 50 %)

Directional (Cosine) Response

± 2 % at 45° zenith angle, ± 5 % at 75° zenith angle

Azimuth Error

Less than 0.5 %

Tilt Error

Less than 0.5 %

Temperature Response

-0.11 ± 0.04 % per C

Uncertainty in Daily Total

Less than 5 %

Housing

Anodized aluminium body with acrylic diffuser

IP Rating

IP68

Operating Environment

-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m

Meter Dimensions

126 mm length, 70 mm width, 24 mm height

Sensor Dimensions

30.5 mm diameter, 37 mm height

Mass (with 5 m of cable)

140 g

Cable

2 m of two conductor, shielded, twisted-pair wire; additional cable available; TPR jacket

Warranty

4 years against defects in materials and workmanship

Manufactured

Made in the USA

We offer the following shipping options to the mainland UK. If you live outside mainland UK please call us on +44 (0)1142 280024.

Delivery service options (mainland)

Free delivery up to 25 KG (Orders over £75) 1-2 day service 

Royal mail tracked 24 - £3.99 (up to 2KG only)

Royal mail tracked 48 - £3.29 (up to 2KG only)

Next working day - £6.75 up to 25KG (orders under £75)

Next working day - £9.95 Over 25KG (orders under £75)

Next working day - A.M. £10.95 Under 25KG

Next working day - A.M. £14.95 Over 25KG

Delivery service options (NI & highlands)

Express (2-4 Working Days): £29.95 

Parcelforce 48 (2-3 Working Days)

Bulky Goods 

Items that exceed 1m in length or are bulky in volume will incur a Bulky Goods surcharge (per item).

Bulky Goods Shipping Charges (excludes highlands):

Economy (3-5 Days) £8.95

Express (1-2 Days) £21.95

All orders are packed in plain discreet parcels with non descript labels for your personal security.

We offer the following shipping options to the mainland UK. If you live outside mainland UK please call us on +44 (0)1142 280024.

Royal Mail delivery options (mainland UK)

Royal mail tracked 24 £3.99 (up to 2KG only)

Royal mail tracked 48 £3.29 (up to 2KG only)

Courier  Delivery service options (mainland) Zone A Zone A+ Zone B Zone B+

Free delivery up to 25 kilos (over £75) 1-2 day service 
Next working day  £6.75 up to 25KG 
Next working day am £9.95 over 25KG

Courier Delivery service options Zone C Zone C+ Zone D Zone D+

Next working day  £29.95 + 75P per kg over 25KG
Next working day am £35 + 75P per KG over 25KG

All packages are shipped in plain, discrete packaging. Absolutely NO information is passed to third parties.

Please note that paid for next day delivery only applies if you order before 1PM Monday to Thursday.

Our UK delivery zones: In the UK we have 4 zones. Prices and parcel delivery times vary by zone.


Tracking your consignments

Our deliveries are handled by Parcelforce or DHL PARCEL UK depending on the weight and location.You are able to track your parcels by using your consignment number or customer reference and postcode. If using a reference number to search, please also insert the delivery postcode.​ You will receive an email on the day for dispatch confirming your order and tracking number, with DHL PARCEL UK option you can select a delivery window or change the day of delivery by clicking the link below and manage my delivery option.


Other Services Available

Isle of Wight & isles of Scilly £5.99 extra per consignment

Timed booked delivery £15.99 extra per consignment

Long bulky items £29.99 extra per consignment (1.4m x 0.8m 0r two persons needs to carry )

We Won't Be Beaten On Price

At Hytec Horticulture we are committed to offering the best range of hydroponic products at the best possible prices, this is why we have our Price Match Promise whereby if you find an identical product at one of our competitors for a lower price. We will match or even beat it.

In an ever-increasingly competitive marketplace, many product lines are being sold at varying prices. We want to give you the best deal so if you find any of the products we sell (or comparable products) at cheaper prices, give us a chance to get your business, save you money, and beat the price. Call us now for a price! This website is constantly being updated and is just a taster. For our full product ranges, please visit the store to discuss your requirements.



Terms & Conditions

To qualify for the Price Match Promise, the product must conform to the following:

The product in question must be identical, it should be the same brand & model and on sale with the same terms & conditions
The product must be held in stock by the competitor at the time you want to make the price match
In addition to the above, we must also have the product in stock
We must be able to verify the lower price either by the store's website, a phone call or a written quote on headed notepaper
The product is not part of a promotion, sale or clearance offer
The product must be available from a physical store that’s open to the public
Our Price Match Promise is not available against web-only retailers, for example, eBay or Amazon, along with factory outlets, private or liquidation sales
Typographical errors, incorrect pricing, voucher codes or additional discounts by the competitor, including their own price match offers, are excluded


Large & Multiple Product Orders

If you want to place a large order with multiple products, for example, you're setting up a grow room from scratch and require a full setup including tent, lights, extraction, nutrients, grow media and everything in-between, then get in touch and we will aim to match, or even beat any quotes you’ve already got.



To price match online

Please fill out the form below with a link to the website and ask for more information as you can and we will email back with our best price.