Humidity Sensor for Home Appliance Industry SJL31K Humidifier Dehumidifier Special with Water Resistance | Бытовая техника

Humidity Sensor for Home Appliance Industry SJL31K Humidifier Dehumidifier Special with Water Resistance | Бытовая техника

1. Product Description:

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

Two. Size: (see Figure 1 in detail) shell optional.

1—Elicited foot2—Ceramic substrate3—Interdigital electrode4—Humid membrane

Appended drawings (1))Small substrate (5×7mmPin spacing:2.54mmOutline size drawing

Three. Scope of application:

Home appliances humidity control, humidification equipment, dehumidification equipment, hygrometer, electronic calendar, radio wave clock.RCC), digital photo frame, family weather station and so on.

Four, model specification:

SJL31KThe characteristic impedance is31KΩ; product conformityROHSEnvironmental protection;

Five, electrical properties:

1. Working voltage:VPP≤5.5VWorking frequency:500Hz—2000Hz;

2. Working temperature:0Centigrade —50Temperature: working humidity:20%—95%RH;

3. Stability: ≤2%RH/Temperature characteristic: ≤0.5%RH/Centigrade;

4. Consistency of humidity detection: ≤ ±3%RH;

5. Response speed: less than15S;

6. Water resistance: Immersion10Minutes, after drying and recovery, the humidity change is less than2%;

Soaking30Minutes, after drying and recovery, the humidity change is less than5%;

Six. Standard verification conditions:

1. temperature25C (±);1Frequency of determination1KHZSet the working voltage as1VAC(sine wave);

2. The detection equipment is an alternating current bridge.LCR(remarks: can not use DC power supply such as multimeter);

3. Adopt constant humidity generator: constant humidity alternating box.SJ—1Type);

Seven, product usage notes:

1. Avoid hard objects or fingers touching the surface of components to avoid scratching or polluting the wetting film.

2. Avoid working in a condensation environment.