TESTO 645 Instruction Manual page 41

Comfort level probe for meas. degree of turbulen-
ce, with telescope and stand. Fulfills the require-
ments of DIN 1946 Part 2 or VDI 2080
CO
info@Testo-Direct.com
Additional probes
3-function probe for simultaneous measurement
of Ttemperature, humidity and velocity. With plug-
in head (please order 0430.0143 connection cable)
probe for measuring indoor air qualityund and
2
for monitoring workplace conditions
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Probes for testo 645 / 445
Sensor Meas. range Accuracy
Hot bulb 0 to 10 m/s ±(0,03 m/s +5 % v.Mw.)
Capacitive 0 to 100 %rF ±2 %rF (2 to 98 %rF)
(probe tip)
NTC -20 to +70 °C ±0,4 °C (0 to 50 °C)
±0,5 °C (rem. range)
Hot bulb 0 to 5 m/s ±(0,03 m/s +4 % v. Mw.)
NTC 0 to 50 °C ± 0,3 °C
0 to 10.000 ppm ±50 ppm ±2 % of m.v.
0 to 1Vol.% (0 to 5000 ppm)
±100 ppm ±3 % of m.v.
(rem. range)
0970 4450 en 05 V02.00 en-GB
41
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Ordering data
Part no.
0635 1540
0628 0009
0632 1240
1.888.610.7664
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