Sonda DI Temperatura ED Umidita Aria, Output signal

Dell MP2000 manual Sonda DI Temperatura ED Umidita Aria, AIR Temperature and Humidity Sensor

SONDA DI TEMPERATURA ED UMIDITA' ARIA

AIR TEMPERATURE AND HUMIDITY SENSOR

TEMPERATURE ELEMENT TECHNICAL DATA

HUMIDITY ELEMENT TECHNICAL DATA

MP2000 specifications

Models: MP2000

MP2000 AIR CONDITIONERS

DATI TECNICI ELEMENTO TEMPERATURA

DATI TECNICI ELEMENTO UMIDITA'

Sistema di controllo a microprocessore per condizionatori d'aria • Air conditioners microprocessor control system

Queste sonde sono impiegate per la misura combinata della temperatura e dell'umidità aria.

La sonda posizionata sulla ripresa aria del condizionatore consente l'indicazione dei valori di temperatura ed umidità dell'aria dell'ambiente.

VISTA FRONTALE

FRONTAL VIEW

127

Fig. 69

1.Morsetti di collegamento.

2.Ponticelli di impostazione

3.Elemento sensibile di umidità e temperatura.

Elemento sensibile:	NTC 10 kΩ
Resistenza a 25°C:	10.000 Ω
Campo di lavoro:	0⎟50°C
Precisione:	±0,5°C

Per tabella comparativa della resistenza in funzione della temperatura fare riferimento alla sonda temperatura NTC.

Segnale in uscita:	0⎟1Vdc o 4⎟20mA
Campo di lavoro:	10⎟90%UR
Tolleranza:	±3%UR

La sonda combinata di temperatura/umidità può essere installata direttamente in ambiente. In questo caso posizio- nare la sonda distante da fonti di calore o umidità ed in luogo ventilato.

E' possibile aumentare la lunghezza del cavo fino a 100m max.

In base alla lunghezza del cavo può essere necessario ricalibrare la lettura di umidità.

NOTA: Separare quanto più possibile i percorsi dei cavi delle sonde dai cavi dei carichi induttivi e di potenza per evitare possibili disturbi elettromagnetici. Nel caso di distanze elevate è consigliabile utilizzare un cavo con doppio schermo o schermatura al 100% collegando lo schermo a terra solo lato unità.

These sensors are used for the combined air temperature and humidity measurement.

The sensor placed on unit air intake allows the room air temperature and humidity indication.

VISTA FRONTALE SENZA COPERCHIO

FRONTAL VIEW WITHOUT COVER

H (%rH)

+(G)	NTC(¡C)	NTC(¡C)	M	H(%rH)
					H (%rH)

1.Terminals.

2.Jumpers for setting.

3.Humidity and temperature sensible element.

Sensible element:	NTC 10 kΩ
Resistance at 25°C:	10.000 Ω
Working range:	0⎟50°C
Accuracy:	±0,5°C

For comparative table of the resistance according to tem- perature, please refer NTC temperature sensor.

Output signal:	0⎟1Vdc or 4⎟20mA
Working range:	10⎟90%RH
Tolerance:	±3%RH

The combined temperature/humidity sensor can be placed directly into the room. The selected position must be distance from heat and humidity source, with a good air circulation.

It is possible to increase the cable length up to 100m max. According to cable length a new calibration of the humidity sensor could be necessary

NOTE: Please keep sensors leads as far as possible from power cables to avoid possible electromagnetic noise.

In case of long distances, we suggest you to use a double shielded cable (100% shielded) with ground connection only on unit side.

RC GROUP - 149_ItEn.0102

137

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