Vaisala HPP272 - Measurement Performance

10. Technical Data
Table 5 Measurement Performance
Property Description/Value
Hydrogen Peroxide
Sensor PEROXCAPâ
Measurement range 0 ... 2000 ppm
Measurement temperature range +5 ... +50 °C (+41 ... +122 °F)
Repeatability at +25 °C (+77 °F), 500 ppm H
2
O
2
±20 ppm
Accuracy (including non-linearity, hysteresis, and
repeatability) at +25 °C (77 °F), 10 ... 2000 ppm H
2
O
2
±10 ppm or 5 % of reading (whichever
is greater)
Factory calibration uncertainty, at +25 °C (+77 °F), 500
ppm H
2
O
2
1)
±10 ppm
Response time at +23 °C (+73 °F), still air:
T
63
120 s
T
90
200 s
Relative Saturation
Measurement range 0 ... 100 %RS
Measurement temperature range +5 ... +50 °C (+41 ... +122 °F)
Repeatability at +25 °C (+77 °F), 500 ppm H
2
O
2
±0.5 %RS
Accuracy (including non-linearity, hysteresis, and repeatability) at +25 °C (+77 °F):
at 0 ppm H
2
O
2
±2 %RS
at 500 ppm H
2
O
2
±6 %RS
Factory calibration uncertainty, at +25 °C (+77 °F), 500
ppm H
2
O
2
1)
±2 %RS
Relative Humidity
Measurement range 0 ... 100 %RH
Measurement temperature range +5 ... +70 °C (+41 ... +158 °F)
Accuracy (including non-linearity, hysteresis, and repeatability):
at 0 ppm H
2
O
2
, 0 ... 60 %RH, +25 °C (77 °F) ±1 %RH
at 0 ppm H
2
O
2
, 0 ... 95 %RH, over temperature range ±2 %RH
at 500 ppm H
2
O
2
, 0 ... 95 %RH, +25 °C (77 °F) ±2 %RH
Chapter 10 – Technical Data
41