TESTO 454 - Page 39

10
Technical data
10.4 Probes
39
24) High temperature probe
for long-term measurements up to +350 °C,
Short-term meas. possible up to +500 °C
26) Vane Ø 60 mm for measurements in channel outlet,
with extendable telescope, application range -20 to+60 °C
25) Semi shell anemometer
27) Vane Ø 100 mm for measurement in grid outlets,
with handle (w/o fig.)
22) Combined vane/temperature probe
(plug-in)*, Ø 16 mm
rm
23) Low temperature anemometer probe with handle,
application range -20 to +60 °C
21) Combined vane/temperature probe
(plug-in)*, Ø 25 mm
Vane probes
(System accuracy with instrument)
Measuring
range
0.4 to 40.0 m/s
-30 to +140 °C
0.4 to 60.0 m/s
-30 to +140 °C
0.6 to 40.0 m/s
0.6 to 20.0 m/s
-40 to +350 °C
0.5 to 35 m/s
0.25 to 20.0 m/s
0.2 to 15 m/s
Sensor
Vane
NiCr-Ni
Vane
NiCr-Ni
Vane
Vane
NiCr-Ni
Vane
Vane
Vane
Accuracy
±1 %
of final val.
±0.4 m/s
(to 40 m/s)
±2 %
of final val.
±2.5 %
of final val.
±0.3 ms
±5 % of f.v.
±0.2 m/s
±2 % of f.v.
±0.3 m/s
Length
of probe
180
mm
180
mm
190
mm
560
mm
440
to
1100
mm
280 mm
ø
Tip
25
mm
16
mm
16
mm
25
mm
60
mm
100 mm
29) Robust probe with telescope for measurements
in the lower velocity range
testoterm
30) Rapid-action probe for measurements
in the lower velocity range,
with recognition of flow direction
t
e
s
to
t
e
r
m
28) Low-price, robust probe for measurements
in the lower velocity range
Thermal velocity probes
Meas.
range
0 to 10.00 m/s
-20 to +70 °C
0 to 10.00 m/s
-20 to +70 °C
0 to20.00 m/s
-20 to +70 °C
Sensor
Hot ball
NTC
Hot ball
NTC
Hot wire
NTC
Length
of probe
150 mm
190 to 850
mm
160 to 760
mm
ø
Tip
4 mm
4 mm
Accuracy of hot ball: ±0.03 m/s, +5 % of meas. value (0 to 10 m/s)
Accuracy of hot wire: ±0.03 m/s, +4% of meas. value (0 to 20 m/s)
* A handle or telescope is required for plug-in probes (See Ordering data)