Metrohm has announced that customers can trade in their old titrator and pH meter for the latest models.
Metrohm's Great Titrator Amnesty urges customers to exchange old titrators and meters for an exclusive discount off the company's range of titrators and pH meters.
The old instrument can be worth up to GBP3,000 against a new instrument.
The offer will run until Wednesday 23 December 2009.
The company added that it is flexible with payment terms.