MS-Z3 Macromolecule Humidity Sensor

For industry production, and process control

Applications :

*warehousing *industry production
*process control *environmental monitoring
*home appliances and meteorology

Product Advantages:
  • *Wide humidity detected rang
  • *Fast response
  • *Small Humidity hysteresis error
  • *Simple manufacture
  • *Easy integration
Product Description:

In wet conditions, water molecules are adsorbed by polar group on the surface of martial. And as the humidity increases, the quantity of water molecules will be changed accordingly. The adsorbed water is gradually condensing and coming into be liquid, which is electrolyte solution with current channel quality.

With the humidity increasing, macromolecule will swell, interior free volume will be bigger, carrier will be increased and the activated energy of macromolecule polyelectrolyte counter-ions will decrease, drift mobility will increase and impedance will decrease. And then when humidity decreases, water molecules are released from ion polymer and the resistor of material will increase. The environment humidity can be monitored through testing the impedance.

Technical Parameters:

 

Temperature

Humidity

Working range

0~60°C

20~90%RH

Storage range

-25~70°C

≤90%RH (non condensation)

Detection range

10~90%RH(0~60℃)

Rated voltage

1.5V AC(MAX, sine wave)

Rated power

0.2mW(MAX, sine wave )

Working frequency

500Hz~2kHz

Nominal value &range

31 (20~50) KΩ(60%RH, 25°C)

Temperature Character

≤0.5%RH/°C

Hysteresis

±2%RH

Response time

Moisture absorption:≤30s Dehumidification:≤40s

Stability

2%RH/year

Accuracy

≤±3%RH

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