HH2 Moisture Meter

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Soil moisture meter Zoom
ThetaProbe with HH2 Soil Moisture MeterHH2 Soil Moisture Meter – readout unit

Testimonials

  • Immediate display of water content
  • Reads ML3, SM150T, PR2 (analogue and SDI-12) or WET Sensor
  • Stores up to 1500 time-stamped readings

The HH2 Moisture Meter is a versatile readout unit for use with Delta-T soil moisture sensors. It can be used with the PR2 Profile Probe (both analogue and SDI-12* versions), ML3 ThetaProbe, SM150T and WET Sensors.

The HH2 readout unit offers impressive functionality in a compact, hand-held unit, designed for field use. Readings are displayed on the LCD and can be stored to memory for later download to a PC.

The unit can be operated with one hand, for convenience in the field. Each time-stamped reading includes a unique sample number, a plot identification number (A to Z), and a sensor location number (1 to 255).

The HH2Read Windows PC software provides a data import wizard for direct download into Excel or other PC spreadsheet packages, or into irrigation scheduling programs. Alternatively, data can be downloaded in comma-separated ASCII data file (.CSV) format.

Data is transferred to a PC using the RS-232 cable provided with each unit. Please note that most PCs no longer have an RS232 port; for USB connection a USB to RS232 adapter cable is required (see Accessories).

*Please note that the HH2 only reads SDI-12 digital data from the PR2 SDI-12 Probe – it is not a general purpose SDI-12 meter.

Specification

Input connections 1 water content sensor or 1 WET Sensor
Control outputs
Readings stored 1,500
Recording rate
Configuration By keypad
Communication options RS232 / USB [1]
Sensor excitation 1 switched battery
Power 19 V 6LR61 (PP3)alkaline
Battery life (dependent on usage) ~ 5,000 readings
Enclosure ratingIP54
Temperature range0 to +40°C
Display2 line x 16 character
Size125 x 80 x 45mm
Typical applicationsInstantaneous reading of soil moisture / profiles/ WET Sensor

 

Sensor compatibility (maximum number of sensors that could be connected [2]
ML3✓ without temp
SM150T ✓ without temp
PR2
PR2 SDI-12
WET Sensor
EQ3 ✓(mV only)
Temperature
Tensiometers
Counters or Events
Relay Output

 

[1] With USB to RS232 Adapter Cable type USB-RS232

[2] With appropriate expansion cards and power supply arrangements

Accessories

Hardware

Main components and software

Mountings and enclosures

Installation accessories

Remote communications

Power options

Other

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