Orion-system MUA II Controller Uživatelský manuál Strana 21

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VAV/CAV Controller
Technical Guide
21
OE265 Relative Humidity Transmitters – Humidity vs. Voltage
Humidity
Percen
t
(RH)
Voltage
@
Input
(VDC)
Humidity
Percentage
(RH)
Voltage
@
Input
(VDC)
Humidity
Percentage
(RH)
Voltage
@
Input
(VDC)
Humidity
Percentage
(RH)
Voltage
@
Input
(VDC)
0% 1.00 26% 2.04 52% 3.08 78% 4.12
2% 1.08 28% 2.12 54% 3.16 80% 4.20
4% 1.16 30% 2.20 56% 3.24 82% 4.28
6% 1.24 32% 2.28 58% 3.32 84% 4.36
8% 1.32 34% 2.36 60% 3.40 86% 4.44
10% 1.40 36% 2.44 62% 3.48 88% 4.52
12% 1.48 38% 2.52 64% 3.56 90% 4.60
14% 1.56 40% 2.60 66% 3.64 92% 4.68
16% 1.64 42% 2.68 68% 3.72 94% 4.76
18% 1.72 44% 2.76 70% 3.80 96% 4.84
20% 1.80 46% 2.84 72% 3.88 98% 4.92
22% 1.88 48% 2.92 74% 3.96 100% 5.00
24% 1.96 50% 3.00 76% 4.04
OE265 Relative Humidity Sensors
Testing Instructions:
Use the voltage column to check the Humidity Sensor while connected
to a powered controller.
Read the voltage with meter set on DC volts. Place the “-” (minus) lead
on GND terminal and the “+”(plus) lead on the sensor input terminal
being investigated.
If the voltage is above 5.08 VDC, then the sensor or wiring is “open.” If
the voltage is less than 0.05 VDC, the sensor or wiring is shorted.
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