ADM, HBOT & Sub Aspida
User Manual
Int. Approved
Document ref: PSA-811-14
June 2017
Page 28 of 43
Copyright © 2017 Analox Ltd. All Rights Reserved.
Commercial in Confidence
6.4
Oxygen sensor replacement
The oxygen sensor used in oxygen versions of the
Aspida
is an electrochemical cell, and hence the
sensor output will deplete over time, the expected life of the sensor is 1 year ( With a 6 month
warranty), depending on usage. After a 1 year period of service, or when the sensor has depleted, the
oxygen sensor should be replaced with a fresh sensor. (Contact supplier for a replacement sensor).
WARNING:
Before replacing the sensor, ensure the device is switched off (disconnect from
any USB cable or charger). Open the battery compartment and remove the batteries from the
device.
WARNING
:
The sensor in the
Aspida
is an electrochemical device and contains a caustic
electrolyte. The sensors are themselves sealed and do not under normal circumstances
present a health hazard however if leakage of the Potassium Hydroxide electrolyte has
occurred use rubber gloves and wear chemical splash goggles to handle and clean up and do
not allow the electrolyte onto any part of your body or clothing. Rinse contaminated surfaces
with water. In the event that you do come into contact with the electrolyte wash the
contaminated part with copious amounts of water
For ADM Aspida
’s sec
tion 4.2 should be followed to gain access to the instrument.
To replace the oxygen sensor:
1)
Remove the top 4 screws (see Figure 2) from the device using a cross-head screwdriver as
shown in Figure 16. Retain the screws along with the sealing washers.
Figure 16- Remove the sensor cap screws
