TESTO 445 - Page 43

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