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Empowering the Future of Science Education

Get accurate, real-time insights into your soil conditions with the United Scientific® 4-in-1 Soil Meter. This versatile handheld device helps gardeners, educators, and researchers monitor the four most important factors for healthy plant growth: soil pH, moisture, temperature, and sunlight intensity. Designed with an extra-long 8" probe, it measures root-level conditions instead of just the surface, ensuring more precise data for indoor plants, outdoor gardens, greenhouses, and classroom demonstrations. The large, easy-to-read LCD screen clearly displays results, while the low battery indicator ensures reliable performance during extended use. Whether you’re a home gardener testing soil quality, a student conducting experiments, or a professional monitoring crop conditions, this all-in-one soil meter delivers accuracy, durability, and convenience in a single compact tool. Specifications: Sunlight: <500 Lux to >120,000 Lux (multiple ranges for accuracy) Moisture: <5% (Dry) to >30% (Wet+) pH Range: 3.5 – 9.0 (0.5 resolution) Temperature: -9℃ to +50℃ (16℉ – 122℉) Power: Requires one 9V battery (not included) Dimensions: 13" (length) x 1.4" (width)