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United Scientific™ 4-in-1 Soil Meter

4-in-1 soil meter that is easy for students to use.

Supplier:  United Scientific™ UNSM41

Catalog No. S00337

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This 4-in-1 soil moisture meter is designed to monitor important conditions that affect the health of plants.

  • Test for sunlight, moisture, pH, and temperature levels all in one convenient hand-held device
  • The 8 in. long probe reaches root-deep into the soil
  • Overall dimensions of the meter are 13 in. long by 1.4 in. wide
  • Requires a 9 V battery (not included)
  • Sunlight Measurements:
    • (LOW-) <500. Lux
    • (LOW) 500 to 5000 Lux
    • (LOW+) 5000 to 10,000 Lux
    • (NOR-) 10,000 to 25,000 Lux
    • (NOR) 25,000 to 60,000 Lux
    • (NOR+) 60,000 to 80,000 Lux
    • (HGH-) 80,000 to 100,000 Lux
    • (HGH) 100,000 to 120,000 Lux
    • (HGH+) >120,000 Lux
  • Moisture Measurements:
    • (DRY+) <5%
    • (DRY) 5 to 10%
    • (NOR) 10 to 20%
    • (WET) 20 to 30%
    • (WET+) >30%
  • pH Measurements:
    • Range: 3.5 to 9.0 (display resolution: 0.5)
  • Soil Temperature Measurements:
    • Range: -9°C to +50°C (16°F to 122°F) (display resolution: 1°C/1°F)
  • Working Current: < 30 mA; Operating Temperature: +5°C to +40°C (41°F to 104°F)
  • Working Humidity: 5% to 95% RH non-condensing


Soil Meter
4 to 12
Soil Meter
1 Lab Group


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