Datasheet

testo 440
Analogue probes
Probe type Dimensions
Probe shaft/probe shaft tip
Measuring
range
Accuracy t
99
Order no.
Thermoelectric couples
Thermoelectric couple with TC
plug, flexible, length 800 mm,
fibreglass, TC type K
800 mm
Ø 1.5 mm
-50 to +400°C Class 2
1)
5s
0602 0644
Thermoelectric couple with TC
plug, flexible, length 1500 mm,
fibreglass, TC type K
1500 mm
Ø 1.5 mm
-50 to +400°C Class 2
1)
5s
0602 0645
Thermoelectric couple with TC
plug, flexible, length 1500 mm,
PTFE, TC type K
1500 mm
Ø 1.5 mm
-50 to +250°C Class 2
1)
5s
0602 0646
Comfort probe
Globe thermometer Ø 150 mm, TC
type K, for measuring radiant heat
0 to +120°C Class 1
1)
0602 0743
1)
According to standard EN 60584-2, the accuracy of Class 1 refers to -40 to +1000°C (type K), Class 2 to -40 to +1200°C (type K), Class 3 to -200 to +40°C (type K).
A probe only ever complies with one accuracy class.
Pitot tubes
Probe type Dimensions
Probe shaft/probe shaft tip
Measuring range Order no.
Pitot tube, length 500 mm, Ø 7mm,
stainless steel, for measuring flow
velocity*
500 mm
Ø 7 mm
Measuring range 1 to 100 m/s
Operating temperature 0 to +600°C
Pitot tube factor 1.0
0635 2045
Pitot tube, length 350 mm, Ø 7mm,
stainless steel, for measuring flow
velocity*
350 mm
Ø 7 mm
Measuring range: 1 to 100 m/s
Operating temperature: 0 to +600°C
Pitot tube factor: 1.0
0635 2145
Pitot tube, length 1000 mm,
stainless steel, for measuring flow
velocity*
1000 mm
Ø 7 mm
Measuring range: 1 to 100 m/s
Operating temperature: 0 to +600°C
Pitot tube factor: 1.0
0635 2345
Straight Pitot tube with integrated
temperature measurement, incl.
connection hose, length 360mm
360 mm
Measuring range: 1 to 30 m/s
Operating temperature: 0 to +600°C
Pitot tube factor: 0.67
Minimum immersion depth: 150 mm
0635 2043
Straight Pitot tube with integrated
temperature measurement, incl.
connection hose, length 500mm
500 mm
Measuring range: 1 to 30 m/s
Operating temperature: 0 to +600°C
Pitot tube factor: 0.67
Minimum immersion depth: 150 mm
0635 2143
Straight Pitot tube with integrated
temperature measurement, incl.
connection hose, length 1000mm
1000 mm
Measuring range: 1 to 30 m/s
Operating temperature: 0 to +600°C
Pitot tube factor: 0.67
Minimum immersion depth: 150 mm
0635 2243
*Connection hose required (order no. 0554 0440) or (order no. 0554 0453)