User Manual
5
completely immersed in typical tap water. A calibration equation converts
period to volumetric water content.
The CS616/CS625’s cable can terminate in:
Pigtails that connect directly to a Campbell Scientific datalogger
(option –PT).
Connector that attaches to a prewired enclosure (option –PW).
Refer to
www.campbellsci.com/prewired-enclosures
for more
information.
6.
Specifications
Features:
High accuracy and high precision
Fast response time
Designed for long-term, unattended water content monitoring
Probe rods can be inserted from the surface or buried at any
orientation to the surface
CS616 compatible with Campbell Scientific CRBasic
dataloggers: CR6, CR80, CR850, CR1000, CR3000, and CR5000
CS625 compatible with Campbell Scientific CRBasic
dataloggers: CR200X series and CR200 series
Probe-to-Probe Variability:
±0.5% VWC in dry soil, ±1.5% VWC in
typical saturated soil
Resolution:
better than 0.1% VWC
Water Content Accuracy:
±
2.5% VWC using standard calibration
with bulk electrical conductivity
0.5 deciSiemen per metre
(dS m
–1
) and
bulk density
1.55 g cm
–3
in measurement
range 0% to 50% VWC
Precision
:
better than 0.1% VWC
6.1
Dimensions
Rods:
300 mm (11.8 in) long, 3.2 mm (0.13 in)
diameter, 32 mm (1.3 in) spacing
Probe Head:
85 x 63 x 18 mm (3.3 x 2.5 x 0.7 in)
6.2
Weight
Probe (without cable):
280 g (9.9 oz)
Cable:
35 g m
–1
(0.38 oz per ft)
