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OPTi Digital Handheld Refractometer Kit

OPTi Digital Handheld Refractometer Kit

£323.00  ex. VAT
Excluding taxes. Shipping calculated at checkout.
In stock In stock    UK Flag Shipped from UK

The OPTi digital handheld refractometer is a precision instrument for measuring the refractive index of a substance including grass.

Includes grass crusher.

OPTi digital hand held refractometers are manufactured in the UK as highly reliable premium quality instruments suitable for use in the harshest of environments across a wide application scope and are perfect for use out in the field.

OPTi refractometers are robustly constructed to create the easy clean prism dish, ultrasonic welding to bond the housings and a rubberized switch membrane to further protect against moisture ingress and excess wear.

Key Features of the OPTi digital handheld Rrefractometer:
  • Precise digital LCD readout 
  • Ergonomic IP65 rated design
  • Shallow stainless steel prism dish
  • Rapid temperature stabilisation
  • Durable silicon rubber keypad
  • Made in the UK
Technical specification
 
Measurement Performance
Measuring Range 0-50
Accuracy +/- 0.1%
Automatic Temperature Compensation (ATC) Yes
Measurement time 2 seconds
Relative humidity 95% RH (non condensing)
Battery power indicator Yes
Sample indicator High, Low or No sample
IP rating IP65 water resistant
Battery type 3V 2 x AAA (LR03)
Battery life expectation 10000 readings (minimum)
 
Physical Performance
Prism material Optical glass
Prism seal Silicon rubber and Viton
Sample dish 316 stainless steel
Sample surface diameter 8mm
Sample volume 0.3ml
Case material Acrylonitrile Butadiene Styrene (ABS)

How to prepare the Grass

Cut representative grass to grazing height (suggest Cattle/Horses – 5cms, Sheep – 3cms). Twist & roll grass in your hands for 2 minutes to break cell walls and then with crusher, squeeze out enough grass juice to fill the pipette.

Watch the video "How to test your grass for its sugar content"

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