ขาย Hellonewworld 3 in 1 Plant Flowers Analyzer Pointer Soil Moisture PH Light Meter Tester 9yzB ราคาที่ดีที่สุด

❃ 3 in 1 Plant Flowers Analyzer Pointer Soil Moisture PH Light Meter Tester Hygrometer Test Detector Feature: 1. It doesn't need power supply and has three functions. It can measure humidity, PH degree and Photosynthesis of plants. 2. Measuring PH at root level helps you control pH in soil and promote healthy plants. 3. It is suitable for indoor or outdoor use. It is easy to use, simple to operate and high quality. Specifications: Accuracy: ±0.25 PH(20℃)±0.2 PH(suitable for farmland or education experiment). Working temperature: 0 - 50°C(32-122°F) Calibration: Manual 1 points Size: aprrox.28.5*5cm/11.22*1.96'' Probe length: aprrox.20.5cm/8.07'' Operation Manual: 1. When measuring pH and humidity of soil, put the probe deep into the soil as far as possible, and the upper part of the probe will remain about 1cm. 2. Press the button on the pen to MOIST, the value 1-3 (red part) indicates that it is needed watering, 4-7 (green part) is suitable, 8-10 (blue part) is too wet; please adjust the watering time according to the plant variety. 3. Press the button on the pen to PH, PH is an acid-base key, corresponding to the 8-3.5 value on the table, the number 7 is basically neutral, the smaller the number, the more acidity, please adjust the soil pH according to the variety of plants. 4. range is 0-2000 lumens, the larger the value is, the stronger the illumination. Please decide whether to need shading according to the variety of the plant. 5. When using, pay attention to not touching stones while inserting electrodes, do not exert too much force, otherwise it will easily damage electrodes, and clean up the electrodes after use. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x Soil Moisture Sunlight PH Meter Tester