Technical specifications – Hach-Lange POLYMETRON 83xx User Manual User Manual
Page 13

2 E
LECTRODES
C
ONDUCTIVITY
P
ROBE
- I
NSTRUCTION
M
ANUAL
621=183=000 Issue B
09/2010
Page 9
2. Technical
specifications
Model
8310 and 8315
8311 and 8316
8312 and 8317
8394
Applications :
Pure or high purity
waters
Meanly
conductived
solutions
Worm water,
process
Food and
pharmaceutical
industries
(sterilizable)
K (cm
-1
) 0.01
0.1
1
0.01
Precision K
< 2 %
< 2 %
< 2 %
< 2 %
Measurement
range (9125)
0.01 à 200 µS.cm
-1
0.1 µS à 2 mS.cm
-1
1 µS à 20 mS.cm
-1
0.01 à 200 µS.cm
-1
Temperature
response
Pt100 (t 90 %)
< 30 s
< 45 s
< 3 mn
< 45 s
Materials in contact
with the liquid:
Electropolished
stainless steel +
Psu (8310)
Electropolished
stainless steel +
PES 30 %
glassfiber + viton
(8315)
Stainless steel +
Psu (8311)
Stainless steel +
PES 30 %
glassfiber + viton
(8316)
Graphite + Psu
(8312)
Stainless steel +
graphite + viton
(8317)
Electropolished
stainless steel +
PEEK + EPDM
« FDA », Ra < 0.4
Temperature max
(°C)
125 (8310)
150 (8315)
125 (8311)
150 (8316)
125 (8312)
150 (8317)
150
P max (bars)
10 (8310)
25 (8315)
10 (8311)
25 (8316)
10 (8312)
25 (8317)
25
Process
connection
¾’’NPT ¾’’NPT ¾’’NPT Tri clamp 1.5 et 2’’