Used in combination with contact plates, the contact weight enables the standardisation of microbiological surface control between operators. It applies the same constant pressure for a pre-set time on a contact plate. This ensures results are directly comparable. The contact weight meets the ISO 18593 standard, and has a sterilisable stainless steel base and pull-out digital timer.

• Dry heat or steam sterilisable stainless steel base, with pull-out digital timer
• Can be used with different types of contact plates
• According to ISO 18593
• Weight: 500 g

Timer included provided without the certificate of calibration; if a calibration is required it is necessary to buy the article 609-0184 as accessory that includes the calibration.