Soil Analyzer 3-in-1: pH Meter / Moisture Meter / Lux Meter Soil Tester Manual

Soil Analyzer pH Meter 3-in-1 Manual

(!) For the most accurate acidity (pH) readings, soil moisture must be above the red zone on the device scale, i.e., greater than 3. Conductivity of any soil type (sand, clay, black soil, etc.) in a dry state is too low for accurate acidity measurements.

ETP-301 is a universal device designed for determining soil acidity, moisture, and light. It helps create optimal growing conditions for plants by adjusting acidity, moisture, and illumination. It requires no batteries to operate.

Using the device

(!) Always keep the measuring electrodes clean and dry! After tests, wipe them with a damp cloth or sponge.

(!) The device housing is not waterproof – do not immerse it in water and protect it from rain during measurements! Devices with water traces inside are not covered by warranty.

(!) Do not force the device into hard or rocky soil – electrodes may break.

(!) For accurate readings, allow at least 30 seconds.

Measuring soil light level

• Switch to LIGHT mode
• Insert the probe into the soil near the plant
• Point the built-in photodiode toward the light source
• Do not block the photodiode
• The top scale shows plant illumination – full scale from 0 to 2000 Lux

Measuring soil acidity (pH)

• Switch to PH mode
• Prepare the soil for measurement – remove stones, glass, and other debris
• Clean the probe tip if necessary and wipe with paper tissue
• Insert the probe vertically into the soil. Slightly moisten the soil with clean water if needed
• Read indicator values on the bottom scale at least 30 seconds after insertion

Measuring soil moisture

• Switch to MOIST mode
• Insert the probe into the soil
• Read the indicator on the middle scale (soil moisture):
  • Red zone (1-3) – dry or slightly moist soil. Suitable for cacti
  • Green zone (3-8) – moderately moist or moist soil. Suitable for most houseplants: Begonia, Cyclamen, Ficus, Euphorbia, Fuchsia, Philodendron, Violet, Azalea, Maidenhair Fern, Geranium, and others
  • Blue zone (8-10) – very wet soil. Do not water until moisture decreases

Reference table of standard pH values for some vegetables and fruits