2
Large Display pH Pens -
850050, 850051, 850052
Copyright ©2015 by Sper Scientific
ALL RIGHTS RESERVED. Printed in the USA
The contents of this manual may not be reproduced
or transmitted in any form or by any means electronic,
mechanical, or other means that do not yet exist or may
be developed, including photocopying, recording, or any
information storage and retrieval system without the express
permission from Sper Scientific.
NOTE REMOVING PROTECTIVE CAP:
Hold the blue ring firmly in place with one hand,
rotate the semi-transparent bottle 180° ~ 360°
clockwise. This will loosen the gasket to allow you
to pull the cap off. Reverse the procedure to put
the cap back on.