TESTO 445 Instruction Manual page 43

Velocity probes with handle/
telescope
Low cost, robust hot bulb probe for
measurements in the lower velocity range
Robust hot bulb probe with handle and
telescope for measurements in the lower velocity range
Quick-reaction hot wire probe with
telescope for measurements in the lower velocity range
with direction recognition function
Vane probe with telescope
T +60°C
max
Vane probe for integrating velocity measurement
with telescope, T +60°C
max
High temperature probe with handle for
long-term measurements up to +350 °C
Accessories for velocity probes
Volume flow funnel to measure the extraction capacity
in ventilation systems
Extension cable between connection cable and instrument
for plug-in vanes
Cap for test holes (50 off)
Additional probes
3-function probe for simultaneous measurement of
temperature, humidity and velocity. With plug-in head
(please order 0430.0143 connection cable)
Comfort level probe for meas. degree of turbulence,
with telescope and stand. Fulfills the requirements of
DIN 1946 Part 2 or VDI 2080
CO probe for measuring indoor air quality
2
and for monitoring workplace conditions
CO probe
Sensor Measuring
range
Hot bulb 0 to 10 m/s
NTC -20 to +70 °C
Hot bulb 0 to 10 m/s
NTC -20 to +70 °C
Hot wire 0 to 20 m/s
NTC -20 to +70 °C
Vane 0.6 to 40 m/s
Vane 0.25 to 20 m/s
Vane 0.6 to 20 m/s
NiCr-Ni -40 to +350 °C
Measuring range
a) 20 to 400 m
b) 20 to 400 m
5 m
Sensor Measuring range
Hot bulb 0 to 10 m/s
Capacitive 0 to 100 %RH
(probe tip)
NTC -20 to +70 °C
Hot wire 0 to 5 m/s
NTC 0 to 50 °C
0 to 10,000 ppm
0 to 1 vol.%
0 to 500 ppm
43
Ordering data
Probes for testo 445
Accuracy (system)
±(0.03 m/s +5% of m.v.)
±(0.03 m/s +5% of m.v.)
±(0.03 m/s +4% of m.v.)
±(0.2 m/s
+2 % of m.v.)
± (0.1 m/s
+1.5 % of m.v.)
±2.5 %
of final value
Length/ 
/h 190x190 mm
3
3 /h 350x350 mm
0409.0063
PUR
25.4 mm
Accuracy
±(0.03 m/s +5 % of m.v.)
±2 %RH (2 to 98 %RH)
±0.4 °C (0 to 50 °C)
±0.5 °C (rem. range)
±(0.03 m/s +4 % of m.v.)
± 0,3 °C
±50 ppm ±2 % of m.v.
(0 to 5000 ppm)
±100 ppm ±3 % of m.v.
(remaining range)
±5 ppm (0 to 100 ppm)
±5 % of measured value
remaining range
Part no.
0635.1549
0635.1049
0635.1041
0628.0005
0635.9449
0635.6045
Part no.
0554.0400
0554.0410
0554.4001
Part no.
0635.1540
0628.0009
0632.1240
0632.1247