Orion-system MUA II Controller Manuel d'utilisateur télécharger pdf (Page 21)

VAV/CAV Controller

Technical Guide

OE265 Relative Humidity Transmitters – Humidity vs. Voltage

Humidity

Percen

age

(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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Orion-system MUA II Controller Manuel d'utilisateur Page 21

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