humidity Sensor SJL31K

Description

humidity Sensor SJL31K

Product introduction:

The product is a resistive polymer humidity sensor, stable and reliable performance, product consistency, and convenient mass production.

1—Exported foot
2—ceramic substrate
3—interdigitated electrode
4—sweet film

Drawing (1) Dimension drawing of small substrate (5 x 7mm lead pitch: 2.54mm)

application:

Home appliance humidity control, humidification equipment, dehumidification equipment, temperature and humidity meter, electronic calendar, radio clock (RCC), digital photo frame, home weather station and so on.

specifications:

SJL31K, characteristic impedance is 31KΩ; product conforms to ROHS environmental protection;

1. Operating voltage: VPP ≤ 5.5V; Operating frequency: 500Hz-2000Hz;

2. Operating temperature: 0 °C -50 °C; Operating humidity: 20% -95% RH;

3. Stability: ≤ 2%RH/year; Temperature characteristics: ≤0.5%RH/°C;

4. Humidity detection consistency: ≤ ± 3% RH;

5. Response speed: less than 15S;

6. Water resistance: After immersing in water for 10 minutes, the humidity changes less than 2% after air-drying;

After immersing in water for 30 minutes, the humidity changes by less than 5% after air-drying;

standard test conditions:

1. Temperature 25°C (±1°), frequency 1KHZ, set operating voltage 1VAC (sine wave);
2. The test equipment is an alternating current bridge (LCR) (Note: DC power sources such as multimeters cannot be used)
3. The use of constant humidity generating device: constant humidity alternating box (SJ-1 type);

product use notes:

1. Avoid hard objects or fingers touching the surface of components to avoid scratching or staining the wet film
2. Avoid working in a condensation environment