SEN 257
Issue 2.1
06 October 2020
Page
16
of
29
dependent of the
current state of
the
neuro-
muscular
response.
General INOP
Hard INOP
Tet Stim
Elctr Off
Text
N/A
N/A
N/A
TetraGraph
stimulus
electrode is
off
A general INOP
(inoperable
indicator) which
has the property
“Invalid useless”.
General INOP
Hard INOP
Tet
EMG
Electr
Off
Text
N/A
N/A
N/A
TetraGraph
recording
electrode is
off
A general INOP
(inoperable
indicator) which
has the property
“Invalid useless”.
General INOP
Hard INOP
TetraGr
aph
Paused
Text
N/A
N/A
N/A
TetraGraph
has
been
paused
A general INOP
(inoperable
indicator) which
has the property
“Invalid useless”.
General INOP
Soft INOP
Tetra
Battery
Low
Text
N/A
N/A
N/A
TetraGraph
battery
is
low
A general INOP
(inoperable
indicator) which
has the property
“Invalid
questionable”.
18. Environment
Environment during initial transportation
Temperature
-30°C to 70°C for periods not exceeding 5 days
Relative humidity
20% to 100% non-condensing
Atmospheric pressure
50 kPa to 106 kPa
Altitude
Height above sea level to be 5000 – 0 m (50-100 kPa)
Environment during storage and movement between hospital locations
Temperature
5°C to 40°C
Relative humidity
20% to 80% non-condensing
Atmospheric pressure
50 kPa to 106 kPa
Environment during use
Temperature
15°C to 35°C
Relative humidity
20% to 80% non-condensing
Atmospheric pressure
70 kPa to 106 kPa
