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).
