Comet System H5021, Инструкция по эксплуатации

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IE-HGS-H5(6)0XX-05 19
Specific humidity
1
Accuracy:
±2g/kg at ambient temperature T < 35°C (95 °F)
Range: 0 to 550 g/kg
Mixing ratio
1
Accuracy:
±2g/kg at ambient temperature T < 35°C (95 °F)
Range: 0 to 995 g/kg
Specific enthalpy
1
Accuracy:
± 3kJ/kg at ambient temperature T < 25°C (77 °F)
Range: 0 to 995 kJ/kg
2
The values computed from ambient temperature and relative humidity including their
accuracy you can exactly determine by the program
Conversions . It is free to download at
www.cometsystem.com .
9.2.
Operating conditions
Operating temperature range:
electronics H5021 : -30 to +80 °C (-22 to 176 °F)
electronics H5024, H6020 : -30 to +60 °C (-22 to 140 °F)
measuring end of stem H6020: -30 to +80 °C (-22 to +176 °F)
CO
2
probe H5021: -40 to +60 °C (-40 to +140 °F)
It is recommended to switch off the LCD display at ambient temperatures above 70°C
(158 °F)
around electronics.
Operating humidity range:
H5021: 0 to 100 % RH (no condensation)
H5024, H6020: 5 to 95 % RH (no condensation)
Operating pressure range: 850 to 1100 hPa
Protection:
H5021 IP65 (electronics), IP65 (CO
2
probe)
H5024 IP65 (electronics)
H6020 IP30 (electronics), IP40 (measuring end of stem)
Other environmental conditions (external influences) according to HD 60364-5-51: normal
Recommended calibration interval:
H5021 5 years (CO
2
)
H5024 5 years (CO
2
)
H6020 5 years (CO
2
), 1 year (relative humidity), 2 years (temperature)
Working position:
H5021 negligible
H5024 with cable glands upwards
H6020 with sensor cover downwards
1
This value depends on the atmospheric pressure. For computing is used constant value stored in device memory. Default
value preset by manufacturer is 1013hPa and can be changed by user’s software.
2
This maximum is reached under conditions about 70°C/100%RH or 80°C/70%RH