Area Of Application - TESTO 6440 Instruction Manual

Volume flow in Nm
Volume flow in Nl/min
Volume flow in Nm
Volume flow in Nl/min
Volume flow in Nm
Volume flow in Nl/min
Volume flow in Nm
Volume flow in Nm
Quantity counter in m
Temperature in °C
Pressure loss
Thanks to their small size, the measuring elements present only a minimum
of exposed surfaces. Pressure loss is therefore negligible (typically 1 mbar).
Meas. / working
range
0.25 (0,3) ... 75.0
3
/h
4 ... 1 250
3
0.75 ...225
/h
1.3...3750
3
1.3...410
/h
22.2...6830
2.3 700
3
/h
0.04 ... 11.67
3
/min
0.001 ... 4 000 × 10
3

Area of application

Recording / dis-
play range
0.0 ... 90.0
0 ... 1 500
0.0 ... 270
0 ... 4500
0...492
0 ... 8200
0...840
0 ... 1 4
3
0 ... +60
in brackets: value shown in display
Instru-
ment
6441
6442
6443
6444
35