Fluke VT650 User Manual page 50

VT650/VT900
Users Manual
Volume (Airway Flow channel)
Range................................. 100 l
Accuracy ............................ ±1.75 % rdg or 0.02 l
(whichever is greater)
Resolution .......................... 0.001<1 and 0.01>1 l
Temperature and Humidity (Airway Flow channel)
Temperature range ............ 0 °C to 50 °C
Temperature accuracy*...... ±0.5 °C
Temperature resolution ...... 0.1 °C
Humidity range ................... 0 % to 100 % RH
Humidity accuracy* ............ 3 % RH from 20 % to 80 % RH
5 % RH < 20 %, and >80 % RH
Humidity resolution............. 0.1 % RH
* with steady state air flow
Oxygen concentration (Airway Flow channel)
Range................................. 0 % to 100 %
Accuracy ............................ ±1 % (VT900), ±2 % (VT650)
Resolution .......................... 0.1 %
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Gas correction
See Table 6.
Gas types
Air, Nitrogen (N ), Nitrous Oxide (N
2
Oxygen (O ), Argon, Heliox (21 % O2, 79 %He), Oxygen/
2
Nitrogen, Oxygen/Nitrous Oxide, Oxygen/Helium
Units of measure
Flow ................................... lpm (liter/minute), cfm (ft
lps (liter/sec), ml/min, ml/sec
Pressure............................. psi, kPa, bar, mbar, atm, inH2O (at
4 °C, inHg (at 0 °C), cmH2O (at
4 °C), mmHg (at 0 °C)
Volume............................... l (liter), cf (ft
Temperature ...................... C, F
Humidity ............................. % RH
Safety
General .............................. IEC 61010-1: Pollution Degree 2
Lithium Battery ................... IEC 62133
O), Carbon Dioxide (CO ),
2 2
3
/minute),
3
), ml