VTCX
Type U2A
Description： Humidity sensors measure relative humidity in pipes or outdoors and can be used with temperature sensors.
Features： 1.Meteorological observation
2.Environmental control
3.Dew point measurement
4.Drying treatment
5.Program control
6.Breeding control
◆Product application
Hygrometer desk clock, weather station, gift products, air conditioner, humidifier,
de-humidifier, cloths dryer etc.
◆VTCX – U2 A
VTCX：Product type
U2：Dip type humidity sensor, J : ±5% RH
A：With(A)/without(B) housing package each pieces
◆CONFIGURATION & DIMEMSIONS（單位：mm）
| Symbol | Specification |
| A | 15 |
| B | 9 |
| C | 12 ± 2 |
| D | 2.5 |
| E | 0.5 |
| F | 5 |
| G | 4 |
| H | 2 |
| I | 0.25 |
◆ELECTRICAL CHARACTERISTICS
●General Characteristics
| Item | Units | Min. | Typ. | Max. |
| Rated voltage | Vrms | - | 1 | - |
| Rated power | mA | - | - | 0.2 |
| Operating frequency range | kHz | 0.5 | 1 | 2 |
| Operating temperature range | ℃ | 0 | - | 60 |
| Operating humidity range | %RH | - | - | 90 |
| Impedance range at 60%RH and 25℃** | kΩ | 15 | - | 38 |
| Humidity accuracy | %RH | -5 | - | +5/td> |
| Temperature dependence(reference) | %RH/℃ | - | 0.6 | - |
** Measurement by LCR meter at 1KHz, 1 Vrms(sine wave)
●Relative humidity - Impedance – 25℃, 1kHz, 1 Vrms(sine wave)
| % RH | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
| Normal value kΩ | 4,200 | 1,000 | 230 | 66 | 23 | 9.6 | 4.4 | 2.1 |
◆REFERENCES
Relative humidity - Impedance curve – measured at 25℃, 1kHz, 1 Vrms(sine wave)
