JUMO B 90.7023.1, Руководство по эксплуатации

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Chapter 2 ___________________________________________________________ Product Overview
JUMO __________________________________________________________________________ 17
Table 2 Optional Quantities Measured by TRANSMITTER
Quantity Abbreviati
on Metric Unit Non Metric
Unit
Dewpoint / Frostpoint
Temperature (T
d/f
)
TDF ºC ºF
Dewpoint Temperature (T
d
) TD ºC ºF
Absolute humidity (a) A g/m
3
gr/ft
3
Mixing ratio (x) X g/kg gr/lb
Wetbulb temperature (T
w
) TW ºC ºF
Humid air volume/ dry air
volume
(by volume or by weight) (H
2
O)
H2O ppmv/ppm
w
ppm
v
/ppm
w
Water vapor pressure (P
w
) PW hPa lb/in
2
Water vapor saturation
pressure (P
ws
)
PWS hPa lb/in
2
Enthalpy (h) H kJ/kg Btu/lb
Difference of T and T
d/f
(∆T)
DT ºC ºF
Basic Features and Options
- Several probes for various applications
- User friendly display
- Calculated output quantities available
- Different probe mounting kits, sensor protection options and probe
cable lengths
- Transmitter mounting kits for multiple installation purposes
- Chemical purge for applications where interfering chemicals in the
measuring environment pose a risk
- Warmed probe and sensor heating for high humidity conditions
(907023/337)
- Additional temperature sensor (907023/337)
- USB connectivity for service connections via the optional
USB-RJ45 cable
- Optional modules:
- isolated power supply
- power supply module
- RS-422/485-module
- LAN and WLAN interfaces
- data logger module with real time clock
- additional analog output module
- relay module