Are these accurate for hectolitre weighing?

[Oldmacdonald]

https://files.ekmcdn.com/651a17/images/wile-hectolitre-weigher-98-1-p.jpg?v=67F8DB2C-EB94-426F-954C-2A8764D1BE86

Seems a pricey bit of plastic.

 

[Rookie]

Just buy a measuring cylinder, fill it using a large funnel and weigh using kitchen scales.

 

[Rookie]

Martin lishman do similar. Don't know cost.

 

[ewald]

I have one of the balance weighers - could never get accurate or consistent results.
Now use a (free) chemical measuring jug on the kitchen scales

 

[An Gof]

Martin Lishman Hectolitre Measure

Hectolitre measure consisting of Scales Funnel Measurement Tube Full instructions and calibration

www.camagcheshire.co.uk

Fairweigh Hectolitre Test Weigher

A new unique, low cost Hectolitre (Bushel) test weigher. Ideal for a quick accurate guide to hectolitre weights.

www.swseeds.co.uk

Easi-Way Profesional Hectolitre Weigher

Laboratory standard Hectolitre Weighing kit for accurate

www.agrisupplyservices.co.uk

Take your pick.
The professional will give the most repeatable results. If buying for life and you are young that would be the best investment.
Failing that the ones from SW seeds are simple, quick and give a good guide.