Hydrion 10 - Technical Specifications and Maintenance; Measuring Ranges and Lifespan

25
3 Specifications
3.1 Measuring Range
Sensor type
minimum
maximum
lifespan
Temperature(*)
Pt100
5 °C 30 °C
∞
EC
20
4 microS/cm 10000 microS/cm
∞
pH ISE
4 10 >2 year
K
+
ISE
5*10
-
6
M
0,2 PPM
3.900 PPM
0,1 M
6 months
Na
+
ISE
10
-
5
M
0,2 PPM
2.300 PPM
0,1 M
>2 year
Ca
2+
ISE
5*10
-
5
M
2,0 PPM
1.000 PPM
0,04 M
2 year
NH
4
+
ISE
4*10
-
6
M
0,08 PPM
1.800 PPM
0,1 M
6 months
Cl
-
ISE
3*10
-
5
M
2,4 PPM
3.500 PPM
0,1 M
>2 year
NO
3
-
ISE
10
-
5
M
0,6 PPM
6.200 PPM
0,1 M
2 year
HCO
3
-
Gas
2 year
at pH 4 4,4*10
-
8
M
0,003 PPM
2,7 PPM
4,4 *10
-
5
M
at pH 7 4,4*10
-
5
M
2,7 PPM
2.700 PPM
4,4*10
-
2
M
> pH 8,2
unreliable
Reference (**) Ag/AgCl
>3 months
(*) Temperature of sample fluid should not exceed given values. Low temperatures make ISE sensors
slow, high temperatures speeds up aging of ISE sensors as does high ionic strength.
(**) Reference electrode needs refill after 3 months
Total ionic strength must not exceed 0.5 M.
Maximum inaccuracy is +/-10% of the measuring value over the entire calibration range.