TESTO 645 - Page 39

Ordering data
Probes for testo 645 / 445
39
Accessories for humidity/temperature probes, 3-function probe
Diameter Part no.
Caps for all humidity probes
Metal protection cage, material: stainless steel V4A. Quick adjustment time, robust and tempera-
ture-proof. Application: for velocities < 10 m/s
21 mm
12 mm
0554 0665
0554 0755
Cap with wire mesh filter. 12 mm 0554 0757
PTFE sintered filter, PTFE material. Not affected by condensation, water-repellent, resistant to cor-
rosive substances. Applications: compressed air measurements, high humidity range (long-term
measurements), high velocities.
21 mm
12 mm
0554 0666
0554 0756
Stainless steel sintered cap, material: V2A stainless steel. Very robust, suitable for penetration, should
be cleaned with fresh air, mechanical protection of sensor. Application: large mechanical loads, high
velocities.
21 mm
12 mm
0554 0640
0554 0647
Additional accessories
Connection cable for probes with plug-in head, 1.5 m long, PUR coating material 0430 0143
Connection cable for probes with plug-in head, 5 m long, PUR coating material 0430 0145
Extension cable between plug-in head cable and instrument, 5 m long, PUR coating material 0409 0063
Telescope for probes with plug-in head, extension length: maximum 1 m, cable: 2.5 m, PUR coating
material
0430.0144
Control and adjustment set 11.3 % / 75.3 % for humidity probes and 3-function probe (please order
0554.0661 adapter for 3-function probe)
0554 0660
Control and storage humidity (33 %) for humidity probe and 3-function probe 0554 0636
Pressure probes
Measuring range Accuracy Connection cable Part no..
Pressure probe for measuring velocities gand diffe-
rential pressure or absolute pressure
-4 to 10 hPa
-40 to 100 hPa
2000 hPa (Abs.p)
±0,03 hPa
±0,1 hPa (0 to 20hPa)
±0,5% of m.v. (rem.)
±5 hPa
1,5 m, PUR 0638.1445
0638.1545
0638.1645
Accessories for pressure
probes
Temp.max Material Length / Ø Part no..
Pitot tubes to measure velocity (in connection
with pressure probes); longer versions on request
+350 °C
+350 °C
Chromium-plated brass
Chromium-plated brass
500 mm/7 mm
350 mm/7 mm
0635.2045
0635.2145
Silicone hose to connect Pitot tube and pressure
probe, 5 m long
0554.0440
1.888.610.7664 info@Testo-Direct.com
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