FILTER PAPER CIRCLES WHATMAN GRADE NO.41 18.5CM DIA BOX 100 Protein Saver Cards Portable colorimetric dissolved oxygen meter

Portable colorimetric dissolved oxygen meter which takes measurements using a modified Winkler method

front panel programming interface allowing set-up of up to three temperature/time segments plus an end-of-programme segment for control of audible alert and ‘rest’ temperature

Densitometry software for use with accessory scanner via the user’s computer

‘Hot warning’ light illuminates whenever block temperature exceeds 70°C even when unit is switched off (but remains connected to the mains supply socket)

for dialysis tubing

FILTER PAPER CIRCLES WHATMAN GRADE NO.41 18.5CM DIA BOX 100 Protein Saver Cards Portable colorimetric dissolved oxygen meterQuantitative Grade, Ashless Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 41 For filtration of coarse and gelatinous precipitates Fast 20 25 Low* 0. 21 0. 01 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.