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Ordering data
Humidity probes for testo 645 / 445
Humidity/temperature probes Measuring System t
99
Connection Part no.
for air conditioning/ventilation sector range accuracy* s cable
Standard indoor air quality probe up to +70 °C 0 to 100 %RH ±2 %RH <12 Plug-in head 0636.9740
(probe tip) (2 to 98 %RH) at
-20 to +70°C ±0.4°C(0 to 50°C) 2m/s
±0.5 °C
(rem. range)
Duct humidity/temperature probe 0 to 100 %RH ±2 %RH <12 3 m 0636.9715
Telescope extension can be connected (probe tip) (2 to 98 %RH) at PUR
-20 to +70°C ±0.4°C(0 to 50°C) 2m/s
±0.5 °C
(rem. range)
Telescope, 340 to 800 mm long 0430.9715
Highly accurate reference humidity/temp. probe 0 to100 %RH <12 Plug-in head 0636.9741
incl. calibration certificate (probe tip) at
-20 to +70°C 2m/s
Flexible humidity probe with mini module for 0 to 100 %RH ± 2%RH Plug-in head 0628.0013
measurements e.g. on material test rigs. (2 to 98 %RH) 20
Module cable length: 1500 mm. -20 to +125°C ±0.4°C(0 to 50°C)
Module dimensions in mm: 50 x 19 x 7(lxwxh) ±0.5 °C
(rem. range)
Please order
connection cable
0430.0143
±1%RH (10 to 90 %RH
from +15 to +30°C)
±2%RH (rem. range
plus Tcomp.)
±0.4°C (0 to 50°C)
±0.5°C (rem. range)
Please order
connection cable
0430.0143
Please order
connection cable
0430.0143
Humidty/temperature probes Measuring System t
99
Connection Part no.
for tough industrial applications range accuracy* s cable
Sword for humidity/temperature measurement 0 to 100 %RH ±2 %RH <12 Plug-in head 0636.0340
in stacked material (probe tip) (2 to 98 %RH) at
±0.4°C(0 to 50°C) 2m/s
-20 to +70°C ±0.5 °C
(rem. range)
Robust humidity probe e.g. for measuring 0 to 100 %RH ±2 %RH <30 Plug-in head 0636.2140
material moisture equilibrium -20 to +120°C (2 to 98 %RH) at
or for measurements in exhaust ducts up to +120 °C ±0.4°C(0 to 50°C) 2m/s
±0.5 °C
(rem. range)
Robust high temperature probe 0 to 100 %RH ±2 %RH <30 Plug-in head 0628.0021
up to +180 °C -20 to +180°C (2 to 98 %RH) at
±0.4°C(0 to 50°C) 2m/s
±0.5 °C
(rem. range)
Flexible humidity probe, does not retain shape 0 to 100 %RH ±2 %RH <30 Plug-in head 0628.0022
for measurements in inaccessible places -20 to +180°C (2 to 98 %RH) at
±0.4°C(0 to 50°C) 2m/s
±0.5 °C
(rem. range)
Please order
connection cable
0430.0143
Please order
connection cable
0430.0143
Please order
connection cable
0430.0143
Please order
connection cable
0430.0143