5 characteristic data on delivery, Characteristic data on delivery -4 – YSI IQ S ENSOR N ET TriOxmatic 702 IQ User Manual
Page 46
Technical data
TriOxmatic
®
702 IQ
7 - 4
ba76048e01
01/2012
7.5
Characteristic data on delivery
Zero signal
< 1 ppb (0.001 mg/l)
Response time at 25 °C
t
90
(90 % of the final value display after) < 30 s
t
99
(99 % of the final value display after) < 110 s
Adjustment time
Adjustment time for measuring low oxygen concentrations after air
calibration:
Adjustment time for measuring low oxygen concentrations after
exchanging the membrane head and electrolyte solution and
subsequent air calibration:
Own consumption
0.34 µg h
-1
(mg/l)
-1
at 20 °C
Drift
< 1 % per month during permanent polarization
Working life per
electrolyte filling
D. O. concentration
Adjustment time
10 ppb
10 min
5 ppb
15 min
< 2 ppb
45 min
D. O. concentration
Adjustment time
10 ppb
40 min
5 ppb
70 min
< 2 ppb
180 min
D. O. concentration
Theoretical electrolyte reserve
Air saturation
approx. 45 days
< 100 ppb
approx. 12 years