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Specifications

Spectrometer: Carl Zeiss MMS-1 Spectrometer
Range: 310-1100 nm
Spectral Sample Size: 3 nm
Spectral Resolution: 8-13 nm
Light Source: Xenon Tungsten Lamp
Lens: Fused silica, coated to enhance NIR
Shutter: White painted reference standard
Display: Sunlight visible transflective LCD screen
PC Interface: Connectivity: USB & WiFi
Data Recorded with Each: Raw data, reflectance, absorbance, first derivative
Operating Conditions 0-50ºC, 0-90% non-condensing humidity
Measurement: Absorbance, second derviative absorbance
Power Source: Removable 3100 milliamp hour lithium-ion battery
Battery Life: 1600+ measurements
Data Storage: Removable 64 GB SD card
Body: Heavy-duty powder-coated aluminum body
Dimensions: 7.1″ x 4.75″W, 1.75″ thick
Weight: 1.05 kg

Theory of Operation

The F-750 Produce Quality Meter uses near-infrared (NIR) spectroscopy, as developed at Central Queensland University, to estimate quality metrics such as dry matter, Total Soluble Solids (TSS or brix), titratable acidity, and color.

Spectroscopy & Solanacaea

Advancing Apple Quality Assessment

AppBuilder Software Overview

F-750 User Interface

Interactive Demo (Legacy Software)

The F-750 has a wide range of applications, from determining optimal harvest timing by assessing fruit maturity, to providing an objective analysis of produce quality of fruit in packing houses and upon import.

WEBINAR: Using Near-Infrared Analysis in Breeding Programs, Harvest, Post-Harvest & Packaging Innovation

Working like a high-powered flashlight, the F-750 sends particles of light into a commodity, then measures the NIR light interactance with molecular components inside of the commodity to quantify user-selected traits.

Applications for the F-750 Produce Quality Meter

The F-750 is a handheld, fully integrated system, allowing users to operate it out in the orchard or inside the QA lab. Its simple, intuitive user interface makes it easy for anyone to use, while its model building software makes it customizable and versatile.

What version of software do you need?

location of hardware version on an F-750 device on the back of the instrument

Hardware Version Firmware Version Installation Instructions App Builder Version Model Builder Version Compatible Apps and Models
014-018 2.2.4.19493 Download 2.2.5 Not Compatible See Apps Table below
011-013 1.2.0.13102 Download Not Compatible 1.3.0.192 See Models Table (Legacy) below
010 1.2.0.7041 Download Not Compatible 1.3.0.177 See Models Table (Legacy) below
009 and Lower 1.1.0.5702 Download Not Compatible 1.3.0.177 See Models Table (Legacy) below

WARNING! If your unit has firmware v1.2.0.13102 or lower, it will not be able to use its Model Builder models when it is updated to newer firmware. The newest firmware version is compatible with App Builder only and will need the latest App Builder apps to function. Please see the firmware update instructions for more details.

F-750 Apps Table

Commodity Current App
Avocado FelixAvocado (build 03/09/2022)
Kiwi Gold3 FelixKiwi_Gold3 (build 03/09/2022)
Kiwi Hayward FelixKiwi_Hayward (build 03/09/2022)
Kiwi Red19 FelixKiwi_Red19 (build 03/09/2022)
Mango FelixMango (build 03/09/2022)
Apple FelixApple (build 03/09/2022)
Cherry FelixCherry (build 03/09/2022)
Grape FelixGrape (build 03/09/2022)
Mandarin FelixMandarin (build 03/09/2022)
Pear FelixPear (build 03/09/2022)
Persimmon FelixPersimmon (build 03/09/2022)

 

F-750 Models Table (Legacy)

Commodity Models
Avocado 750AvocadpV11.modelBuilder
Kiwi Hayward Kiwi_DM_BrixV1.modelBuilder
Mango FelixMangoV2.Model.modelBuilder
Apple Apple Brix-DM Starter Model.modelBuilder
Cherry Cherry DM Starter Model.modelBuilder
Grape Grape Brix Starter Model.modelBuilder
Mandarin Mandarin Brix Starter Model.modelBuilder
Pear Pear Brix Starter Model.modelBuilder
Persimmon Persimmon Brix Starter Model.modelBuilder
  • Does this product come with a warranty?

  • All devices from Felix Instruments – Applied Food Science come with a 12- month warranty at the point of sale. The warranty covers repairing and replacing defective parts of the instrument that were manufactured directly by Felix Instruments. The warranty does not cover wear and tear, neglect, misuse, accident, or excessive deterioration. Further, unauthorized repair and alteration by an unauthorized party voids the warranty. More information can be found in the operation manual of your instrument.

  • Is the Produce Quality Meter waterproof?

  • The Produce Quality Meter is not designed to be waterproof and should not be used underwater. The Produce Quality Meter is designed to be water-resistant. Use in light rain is fine, however, there are electronics inside of the Produce Quality Meter that can be damaged from water entering the instrument, so it is not recommended to use the Produce Quality Meter during heavy rainfall.

  • What are the operating conditions of this product?

  • The recommended operating temperature range for the Produce Quality Meter is 0 – 50° Celsius.

  • How do I determine model quality?

  • Several factors should be viewed when assessing the quality of a model. Read more here.

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