testo 435
We measure it.
Technical data
Overview of versions testo 435
The table proviꢀes a ꢂast overview oꢂ the connectable probes anꢀ the instruꢃent equipꢃent per version.
Connectable probes (optional)
testo 435-1
testo 435-2
testo 435-3
testo 435-4
IAQ probe ꢂor the ꢃeasureꢃent oꢂ CO2, air teꢃperature, inꢀoor air huꢃiꢀity
anꢀ absolute pressure
X
X
X
X
Therꢃal ꢂlow velocity probe with integrateꢀ teꢃperature anꢀ air huꢃiꢀity
ꢃeasureꢃent
X
X
X
X
Vane anꢀ hot wire probes
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Teꢃperature probe ꢂor iꢃꢃersion/penetration, air anꢀ surꢂace ꢃeasureꢃents
Wireless probes ꢂor teꢃperature ꢃeasureꢃents
Aꢃbient CO probe
Absolute pressure probe
Integrateꢀ ꢀiꢂꢂerential pressure ꢃeasureꢃent ꢂor ꢂlow velocity ꢃeasureꢃent
with Pitot tube anꢀ ꢂor ꢃonitoring ꢂilters (not retro-ꢂittable)
Coꢃꢂort probe ꢂor ꢀegree oꢂ turbulence ꢃeasureꢃent ꢂor the objective
evaluation oꢂ the air velocity in a rooꢃ
X
X
Huꢃiꢀity probe ꢂor air teꢃperature anꢀ air huꢃiꢀity ꢃeasureꢃents
Wireless probe ꢂor air teꢃperature anꢀ air huꢃiꢀity ꢃeasureꢃent
Lux probe ꢂor the ꢃeasureꢃent oꢂ light intensity
Teꢃperature probe ꢂor ꢀeterꢃining U-value
X
X
X
X
X
X
X
X
Instrument equipment
Easy operation with user proꢂiles
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Illuꢃinateꢀ ꢀisplay
Testo ꢂast printer ꢂor ꢀocuꢃenting ꢃeasureꢃent ꢀata (optional)
Instruꢃent store ꢂor 10000 ꢃeasureꢃent values (not retro-ꢂittable)
PC soꢂtware ꢂor the analysis, archiving anꢀ ꢀocuꢃentation oꢂ the reaꢀings
testo 435-1/-2/-3/-4
Sensor types
NTC
Type K (NiCr-Ni)
Type T (Cu-CuNi)
Testo humid. sensor,
cap.
Measuring range
-50 to +150 °C
-200 to +1370 °C
-200 to +400 °C
0 to +100 ꢁRH
See probe ꢀata
Accuracy
1 ꢀigit
0.2 °C(-25 to +74.9 °C)
0.4 °C (-50 to -25.1 °C)
0.4 °C (+75 to +99.9 °C)
0.5ꢁ oꢂ ꢃv (reꢃaining range)
0.3 °C (-ꢄ0 to +ꢄ0 °C)
(0.2 °C +0.5ꢁ oꢂ ꢃv)
(reꢃaining range)
0.3 °C (-ꢄ0 to +ꢄ0 °C)
(0.2 °C +0.5ꢁ oꢂ ꢃv)
(reꢃaining range)
Resolution
0.1 °C
0.1 °C
0.1 °C
0.1 ꢁRH
Absolute pressure probe
Vane
Hot wire
CO2 (IAQ probe)
0 to +10000 ppꢃ CO2
See probe ꢀata
1 ppꢃ CO2
Measuring range
Accuracy 1 ꢀigit
Resolution
0 to +ꢄ0 ꢃ/s
See probe ꢀata
0 to +20 ꢃ/s
See probe ꢀata
0.01 ꢃ/s
0 to +2000 hPa
See probe ꢀata
0.1 hPa
0.01ꢃ/s (ꢄ0 + 100 ꢃꢃ Vane)
0.1 ꢃ/s (1ꢄ ꢃꢃ Vane)
testo 435-2/-4
testo 435-3/-4
Sensor types
Lux
Differential pressure probe, internal
Measuring range
0 to +100000 Lux
See probe ꢀata
0 to +25 hPa
Accuracy
1 ꢀigit
0.02 hPa (0 to +2 hPa)
1ꢁ oꢂ ꢃv (reꢃaining range)
Resolution / Overloaꢀ
1 Lux; 0.1 Hz
0.01 hPa / 200 hPa