Soil moisture sensor, instrument detector, metal probe, horticultural plants, flower, moisture analyzer, testing instrument, humidity meter tool

Color: Green 
- pH range: 3.5 - 8 (3.5 - 7 acidic, 7 - 8 alkaline) 
Humidity range: 1 - 10 (1 - 3 dry, 3 - 7 Norwegian, 7 - 10 humid) 
- Relative light: 0 - 2000 LUX (0 - 200 low, 200 - 500 low +, 500 - 1000 normal, 1000 - 2000 high) 
Probe tip size: 10mm × 4mm × 4mm / 0.4" × 0.16" × 0.16" 
Probe length: 180 millimeters / 7.09 inches 
Product dimensions: 255mm × 62mm × 36mm / 10.01" × 2.44" × 1.42"

Use: 
Step 1: Switch the position of water, pH, and light. 
Step 2: Insert the probe into the soil to a depth of approximately 2-4 inches. 
Step 3: Adjust the position of the probe until the pointer on the scale slightly swings. 
Step 4: After 10 minutes, record the moisture/pH value/lighting level shown on the dial. 
Step 5: Remove the probe from the soil and wipe it clean after each use.

Note:

Do not insert the probe into stones or very hard soil, as it may damage the probe. 
2. Please wipe and clean the probe after each use. 
3. Do not leave the instrument in the soil for an extended period of time. 
4. Specifically designed for soil testing. Do not use it for testing pure water or other liquids. 
5. Indicator doesn't move. If the soil is too dry, please water the plant first and then test again.