Nahita 903 Serie Manual De Instrucciones página 18

Thanks for purchasing this equipment. We wish you make the most of its possibilities.
We recommend you care this equipment following this manual.
Nahita developes its product according to directives of CE and emphasizing the ergo-
nomics and safety.
Quality of materials used in manufacturing and a proper used will let you enjoy the
equipment for many years.
An improper use of the equipment could cause accidents, electric shocks, short circuits,
fires, injuries, etc.
TO GET THE BEST RESULTS AND A LONG LIFE PLEASE READ CAREFULLY
THIS MANUAL BEFORE OPERATING WITH THE EQUIPMENT
Take into account the following:
This manual is an inseparable part of nahita digital pH meter 903 so it should be avai-
lable to all users.
It should be handled with care, avoiding sudden movements, shocks or manipulation
with sharp objects. Avoid spilling liquid on it.
Never dismantle the equipment, do not try to repair it by yourself, you will lose the
warranty and maybe you could suffer damages.
If you have some doubts, please contact your distributor; installation, setting up or ope-
ration. You can also send your doubts or suggestions to NAHITA technical service: asis-
tencia@auxilab.es or calling 807117040 (0.35 €/min.).
This equipment is covered by law of warranties and consumer goods (10/2003).
Fuses or accessories, as well as the loss of them, and wear pieces are not covered by the
warranty.
Manipulation by unauthorized personnel causes total loss of warranty.
Make sure you keep the purchase invoice to have the right to claim or assistance. In case
of sending the equipment to the technical service please enclose a copy of the invoice.
The manufacturer reserves the right to make changes and improvements on this
manual and on the equipment.
ATTENTION! WE DO NOT ADMIT EQUIPMENTS TO REPAIR IF THEY ARE
NOT CLEAN AND DISINFECTED
Version 3 August 09 Instruction manual 50903000
ENGLISH
10. ACCESSORIES
pH electrodes. Connector BNC
Code
Glass body
90900651
90900652
90900953
90900955
Plastic body
90900218
90900219
90900900
90900901
pH buffers.
Code Description
90900000
Appendix I. Diaphragms types of reference electrode / Applications
Diaphragm
Ceramic type Z
Ceramic type D
Glass with ground joints
Porous glass (dust of glass)
PTFE Ring
I
NSTRUCTIONS ABOUT ENVIRONMENTAL PROTECTION
environment.
Please contact the administration of your community to know collection points.
Page 17 Page 30
Diaphragm
Ceramic
Ceramic
With ground joints
With ground joints
Fiber
Fiber
PTFE Ring
PTFE Ring
pH: 4.01, 7.00, 10.01
Flow KCl sat 25ºC
14 µl / h
2.5...5 µl / h
0.5...2 ml / h
1.5...4ml / h
-
Do not deposit the equipment in regular trash when its life cycle had finished; take
it to a collection point for rrecycling electrical and electronic equipment.
Does not contain dangerous or toxic elements to humans but an inappropriate eli-
mination will damage the environment.
Materials are recyclable. Recycling you are making a very important contribution to
Instruction manual 50903000
ENGLISH
Application
Aqueous solutions with conductivity
Z > 10 µS/ cm
Aqueous solutions with conductivity
Z > 10 µS/ cm
For organic environments
Dirty or oily environments
Version 3 August-09