|
Sensor |
Range |
Accuracy |
Resolution |
Type |
T-611 |
T-612 |
T-613 |
T-617 |
|
Temperature |
-2
to 50ºC |
±0.05ºC |
0.01ºC |
pt100
element in a stainless steel sleeve. |
x |
x |
x |
x |
|
Conductivity |
0
to 80 ms/cm
0 to 8000 us/cm |
±0.05
ms/cm
±5 us/cm |
0.02
ms/cm
3 us/cm |
Four
platinum electrode cell. Low range uses KCl algorithms, high range
uses standard seawater 1
algorithms |
x |
x |
x |
x |
|
Salinity
1 |
0
to 60 ppt |
±0.05
ppt |
0.02
ppt |
Calculated
from conductivity and temperature. |
x |
x |
x |
x |
|
Dissolved
Oxygen |
0
to 200% saturation
0 to 20 mg/l |
±0.5% |
0.1% |
Active
Pb/Ag cell with a stabilised PTFE membrane, inbuilt stirrer to allow
constant flow over membrane for stable reading. |
x |
x |
x |
|
|
Turbidity |
0
to 600 ntu |
±0.5
up to 300
±5% from
300 |
0.2
ntu
0.3 ntu |
Nephelometric
measurement from a detector aligned 90º to the pulsed infra-red
source that is unaffected by daylight. |
x |
x |
x |
|
|
pH |
0
to 14 |
±0.03 |
0.01 |
Combination
Ag/AgCl with junction (common with ORP). |
x |
x |
x |
OPT |
|
ORP
2
(REDOX)
|
-700
mV to
+1100
mV |
±3
mV |
1
mV |
Combination
bare metal electrode with common reference junction with pH
sensor. |
x |
x |
x |
|
|
Depth |
0
to 100 m or
0 to 150 m |
±0.1%
of
full scale |
0.1
m |
Dual
active arm silicon strain gauge. Optional atmospheric pressure
compensation. |
OPT |
x |
OPT |
x |
|
Storage
capacity for programmed logging – number of scans 3 |
2135 |
16300 |
|
3171 |
|
Storage
capacity for operator STORE button – number of scans
3 |
600 |
|
|
890 |
|
Data
Tag – available for operator to insert when using STORE
button |
|
|
|
50 |
