HH2 Hand Held Moisture Meter


Delta T


HH2 Hand Held Moisture Meter (sensor not included)

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

765,00 €

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Number of Channels 1
With Display LCD
Communications RS232C, USB
Memory Capacity 1500 Data Points
Power Supply: 19 V 6LR61 (PP3) alkaline

HH2 Moisture Meter - Readout Unit

  • Holds multiple user-defined soil types
  • Stores up to 2000 time-stamped readings
  • Includes PC data collection software

The Moisture Meter type HH2 is a versatile readout unit for use with Delta-T Devices soil moisture sensors: the Profile Probe, ThetaProbe, SM200 and WET Sensor.

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).

Data is transferred to a PC using the RS-232 cable provided with each unit. 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.

*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.

Brief Specifications


0 to 1.5V

zero to saturation


±0.13% of mV reading




Memory capacity

500 – 1500 readings (depends on settings)


Male 25-pin

D-connector for sensor and RS232 communications


IP54,  0-40oC (operating)

Size, weight

150 x 80 x 40mm, 450g


9V alkaline 6LR61 (PP3)

Battery life

Approx 5,000 readings

- SM150 Soil Moisture Sensor
- USB-RS232 USB to RS232 adapter cable
- HH2-UPGD5 HH2 Factory upgrade
- HHCC3 Carrying case for ThetaProbe & Moisture Meter
- HH2-SPK Set of spares for HH2
- HH2BAT Spare Moisture Meter batteries. 2 x PP3 alkaline cells.
- HHRS2 RS232 cable assembly for HH2
- DPE1-02 D plug & cable extension
- DSK1 25-way D socket kit
- C-HH2-T 25-pin female connector (IP68)
- C-HH2-DIN 25-pin female connector (DIN)
- HH2-UPGD5 HH2 Factory upgrade

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