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Enabling better global research outcomes in soil, plant & environmental monitoring.

DataHog2 datalogger

The DataHog 2 is a dedicated, accurate and reliable system, which is easy to use, completely weatherproof, robust, durable and low cost.

  • Small, versatile datalogger – from one channel up to 16 channels.
  • Inputs can be combined with other types of sensor.
  • Enclosure is sealed to IP65 (ie. weatherproof and suitable for outside applications).
  • Versions available with an integral light sensor.
  • Battery operated, with solar and mains power options.

Datalogger Specifications

Inputs Voltage – Single ended or differential ±2mV to ±2V
Current – 0-200nA to 0-400µA
Digital Count
Relative Humidity
10k Thermistor
Wind Direction
  • Each channel configured individually
  • Logging Intervals – 10, 20, 30 seconds; 1, 2, 5, 10, 20, 30 minutes; 1, 2, 3, 4, 6, 12 hours.
  • Integration Intervals – same as logging intervals.
  • Transmit data at above intervals to RS232 whilst logging.
  • Transmit data on demand from signal via RS232.
  • Stop/Start logging time.
Connections Binder sub-miniature type 8 & 5 pin. Sealed to IP65 when mated with plug or blanking cap
Memory Battery Backed RAM, 125KB. ie: Storage of 16136 recordings plus date and time.
Resolution 15 bit resolution.
User definable scaling and units
Outputs 4 optional independent electrical relay switches. Open/Close contact on user set conditions
Communications RS232C, ASCII Output.
All units supplied with a datalead and software.
9600 baud data download.
Binary offload option.
Instant wake up.
Clock Real time year, month, date and time clock, enabling synchronisation of several units.
Clock backed by lithium battery
Power Standard: 6x ‘C’ batteries (4 to 6 months of operation)
Internal lithium battery for data memory and channel configurations, 10 year lifetime.
Optional: Mains Hog – Mains power, 240 or 110V.
Solar Hog – Solar power.
Operating Temperature -20 to +70°C standard range (units for extended temperature range available
Dimensions 122 x 120 x 105mm (WxHxD), 1100g
Housing Grey ABS – Sealed to IP65
Mounting Can be mounted in any position

The DataHog2 has internal data storage and extended battery life to allow long term projects to be monitored at remote sites, or short term logging at frequent intervals. The range of input types is varied – customers can use their own sensors or choose from Skye’s range of precision sensors. Choose combinations of single ended or differential voltage, current inputs or digital count.

Channels can be individually programmed with logging interval and gain to suit each sensor type. Units for scaling are defined by the user for easy and straightforward operation. At user-set levels, the DataHog2 will give an electrical relay or alarm output from up to two different channels. There is also a timed start/stop function.

Supplied with a ‘ready-to-go’ package of batteries, datalead & Windows communication software.
DataHog Software:
  • SkyeLynx –  Standard software supplied free of charge with all DataHog2 and MiniMet2 dataloggers. Allows logger setup, configuration and data download.
  • SkyeLynx Auto –  Allows the automatic data download from a logger connected by a hard wire link, standard telephone line or cellular modem.
  • SkyeLynx Deluxe –  Contains all logger set up and download functions plus data tabulating, summarising and graphing with a special windrose feature