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of the respective oxygen sensor readings is activated (see chapter10.3). Please note that if External Temperature Sensor or InternalTemperature Sensor is chosen in one of the 4 oxygen Channelpanels of FireSting Settings, the temperature sensor connected tothe FireStingO2 or the internal temperature sensor of theFireStingO2 is automatically activated in the Temperature panelof the Settings (see chapter 6.2.4).Please ensure that the external temperature sensor is fixed in thecontainer with the sample in which the oxygen measurements withautomatic temperature compensation will be performed. Ifinternal temperature sensor was selected, please ensure the sametemperature conditions for the gas sample and the FireStingO2.If Fixed Temperature is chosen, the temperature of theenvironmental sample has to be determined with an externalthermometer or with a temperature sensor from PyroScienceconnected to the FireStingO2, and has to be adjusted manually.This Compensation Temperature, either entered manually atconstant temperature conditions or measured by the external orinternal temperature sensor of the FireStingO2, will be displayed inthe corresponding channel panel of the main window (TD).The atmospheric pressure can be determined with the InternalPressure Sensor or entered manually at Fixed Pressure (mbar)conditions (needs to be controlled with a barometer or the internalpressure sensor). Normal conditions refer to 1013 mbar (default).If the actual atmospheric pressure cannot be determined on site, itis also possible to enter the Elevation (m) above sea level. For thisclick on Elevation and enter the actual elevation in meters. Thisprocedure will only calculate the average atmospheric pressure forthis elevation; therefore this option is less precise than measuringthe actual atmospheric pressure. If Internal Pressure Sensor is40
selected, the oxygen measurement is automatically compensatedfor pressure changes e.g. due to weather changes.The Salinity (g/L) of the environmental sample, in which themeasurements are performed, needs to be adjusted e.g. in case ofsaline water. For measurements in gas samples this value has norelevance (and is not active). For measurements in liquid samples,the salinity is only relevant if a concentration unit for oxygen wasselected (e.g. mg/L or µM/L).6.2.4 TemperatureAn External Temperature Sensor connected to the FireStingO2and the Internal Temperature Sensor inside the FireStingO2 canbe activated in the panel Temperature. Both temperature sensorscan be activated independently even if the oxygen measurementsof all sensors are performed with Fixed Temperature (and henceare not affected by the temperature sensor measurements). Themeasured temperature is then displayed in the Overview panel(see chapter 0) of the main window and saved into the data file.41
Page 2 and 3: Document Version 3.07Refers to Pyro
Page 4 and 5: 7.1.6 Calibration Mode: Custom Mode
Page 6 and 7: 1 OverviewThe compact USB-powered f
Page 8 and 9: 2 Safety GuidelinesThe FireStingO2
Page 10 and 11: Before using the FireStingO2 and it
Page 12 and 13: The FireStingO2 comes with 1, 2, or
Page 14 and 15: 5 Oxygen Sensor TypesFor an overvie
Page 16 and 17: position 0 (retracted position) of
Page 18 and 19: (P) to the oxygen meter FireStingO2
Page 20 and 21: oxygen towards the 3 mm tip has a m
Page 22 and 23: It is important to fix or glue the
Page 24 and 25: 5.7 Connecting the SensorsThe fiber
Page 26 and 27: The bare fiber sensors need to be s
Page 28 and 29: Note that placing the mouse on many
Page 30 and 31: The unit of the x-axis can be chang
Page 32 and 33: Signal too high There might be too
Page 34 and 35: continuous sampling (default settin
Page 36 and 37: In the settings the user has to def
Page 38 and 39: 6.2.2 Advanced SettingsIf Advanced
Page 42 and 43: After activation of a temperature s
Page 44 and 45: The activation of the Analog In but
Page 46 and 47: 6.4 Raw Data WindowThe Raw Data Win
Page 48 and 49: 7 Calibration with “Pyro Oxygen L
Page 50 and 51: calibration in air saturated water
Page 52 and 53: If the Sensor code is correct, the
Page 54 and 55: NOTE: If using retractable needle-t
Page 56 and 57: NOTE: If using retractable needle-t
Page 58 and 59: Note that the button Set 0% will be
Page 60 and 61: (°C). Note that the button Set Air
Page 62 and 63: And for the 0% calibration the foll
Page 64 and 65: Consequently, the 0% calibration sh
Page 66 and 67: 7.2.1 Calibration Mode: Factory (1.
Page 68 and 69: due to the actual weather condition
Page 70 and 71: Wait for steady state until the sen
Page 72 and 73: 7.3 Advanced adjustmentsThis sectio
Page 74 and 75: 8 Calibration Standards8.1 The Air
Page 76 and 77: elevation the typical atmospheric p
Page 78 and 79: 8.2 The 0% StandardThe 0% calibrati
Page 80 and 81: 9 Calibration of Contactless Sensor
Page 82 and 83: one end of the Optical Fiber is con
Page 84 and 85: 10.3 Automatic Temperature Compensa
Page 86 and 87: 11 Analog Output and Auto-ModeThe s
Page 88 and 89: voltage signals proportional to the
Page 90 and 91:
Here the Auto-Mode Sample Interval
Page 92 and 93:
trigger signal was detected at the
Page 94 and 95:
External Temperature Sensors*Range,
Page 96 and 97:
Pin Name Function Description1 GND
Page 98 and 99:
Auto-Mode with External Power Suppl
Page 100 and 101:
12.2.2 Connector X2 (Analog Output)
Page 102 and 103:
12.4 Measuring PrincipleThe new RED
Page 104 and 105:
12.5 Operating several FireStingO2
Page 106 and 107:
with p100 O2 = 0.2095 ( p atm - p H
Page 108 and 109:
Sal(PSU)Temp0(°C)5 10 15 20 25 30
Page 110:
LED IntensityA 10% E 40%B 15% F 60%
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