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ABOUT VP-4
VP-4
Equilibration Time (
τ
, 63%):
<
40 s (response time in 1 m/s air
stream)
Hysteresis:
<
1% RH typical
Long term Drift:
<
0.5% RH/year typical
Figure 1: Humidity Accuracy Chart
Temperature
Range:
−
40
◦
C to 80
◦
C
Resolution: 0.1
◦
C
Accuracy: Sensor measurement accuracy is variable across a range
of temperatures. Refer to the chart in Figure 2 to determine
the accuracy specification for the VP-4 sensor:
Equilibration Time (
τ
, 63%):
<
400 s (response time in 1 m/s air
stream)
Long term drift:
<
0.04
◦
C/year typical
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