Product Manual

29
Measurement
Units
Percent volumetric water content (VWC)
Period (raw sensor reading)
Resolution
VWC: 0.1% VWC units
EC: 0.01 mS/cm
Temperature: 0.2 ˚F (0.1 ˚C)
Accuracy
VWC: ±3.0% volumetric water content
with electrical conductivity < 2 mS/cm
EC: ± 0.1 mS/cm
Temperature: ± 1.8 ˚F (± 1 ˚C)
Range
VWC: 0% to saturation (Saturation is typically
around 50% volumetric water)
EC: 0 to 5 mS/cm
Temperature: -22 to 140 ˚F (-30 to 60 ˚C)
Power
4 AA batteries
Lithium batteries will optimize battery life
Display
Backlit, high-contrast, graphic LCD
Weight
1.4 lbs. (640 g)
Probe Head
Dimensions
2.4” x 1.4”
(6cm x 3.5cm)
Available Rod
Dimensions
Turf 1.5” (3.8cm) Diameter: 0.2” (0.5cm)
Short 3” (7.6cm) Spacing: 1.2” (3cm)
Med 4.7” (12cm)
Long 7.9” (20cm)
GPS*
Accuracy < 2.5m
Logger
Capacity
50,000 measurements
Specifications
* Applies to upgraded units only (see p. 15).