PH4 BUFFER SOLUTION TWIN-NECK PACK 1L Twadde Hydrometers whichever is greater 0

whichever is greater  0

high and low  alarm outputs  Datalogging readings    250 (pH and conductivity)

Alugram®Aluminium backed with 250µm layer

each with eight colour glass standards

PH4 BUFFER SOLUTION TWIN-NECK PACK 1L Twadde Hydrometers whichever is greater 0Values stated at 20C. Temperature data printed on container label. Values are traceable to NIST (NBS) standard reference material. Supplied in standard, plastic, easy pour containers or in convenient twin neck bottles which dispense the correct volume of solution for calibration into the secondary neck chamber minimising all waste and the possibility of contamination. Shelf life is approximately 2 years. Accuracy 0. 01 pH units.