5
Introduction to the Moisture Meter
Description
The Moisture Meter reads and stores measurements taken with the following Delta-T
soil moisture sensors:
ThetaProbe, types ML2, ML2x & ML1
SM200 soil moisture sensors
Profile Probe, types PR2 and PR1
Equitensiometer, type EQ2
WET sensors
The meter can display and store, where appropriate, the following values for the
measured readings:
• raw data as milliVolt reading (mV)
• soil wetness
• soil water deficit (mm)
• pore and bulk conductivity
• bulk permittivity
• temperature
Equitensiometers can only be read in mV.
Readings include the time and date for later collection from a PC.
Readings may be averaged.
Note: averages cannot be stored for later collection from a PC.
The meter is easy to carry and operate with one hand.
Connectors
Equitensiometers, ThetaProbes, SM200s and Profile Probes supplied for use with the
HH2 come fitted with a 25-pin connector that plugs in directly.
PR2 Profile Probes have their own separate HH2 connector cable
Adapters are available for Equitensiometers or probes fitted with 4-pin DIN plugs or 5-
pin Tajimi plugs.
Sensors sold with bare wires for connection to loggers need to be fitted with a 25-pin
D connector. Either solder it directly, using the type DSK1 adapter kit, or via a
junction box type JNC2 connected to a DSK1 via extra cable.
See also: Accessories on page 98.
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