Onset MX2307 HOBO MX Soil Moisture and Temperature Data Logger (0.00~0.64 m³/m³; -40~100°C)

Soil Moisture: Volumetric Water Content (VWC):

  Measurement Range: 0.00 to 0.64 m³/m³ in mineral soils; 0.00 to 0.70 m³/m³ in soilless media

  Accuracy: ±0.031 m³/m³ typical in mineral soils that have solution EC <8 dS/m; ±0.051 m³/m³ typical in soilless media

  Resolution: 0.001 m³/m³

  Dielectric Measurement Frequency: 70 MHz

Logger:

  Operating Range: -25° to 60°C (-13° to 140°F)

  Logging Rate: 1 second to 18 hours

  Time Accuracy: ±1 minute per month 0° to 50°C (32° to 122°F)

  Battery Type: 2/3 AA 3.6 Volt lithium, user replaceable

  Memory: 110,000 measurements, maximum (472 kB)

  Dimensions:

   Logger housing: 10.8 x 5.08 x 2.24 cm

4.25 x 2.0 x 0.88 in.

    Soil moisture sensor: 7.5 x 5.1 x 2.4 cm

2.95 x 2.02 x 0.95 inches

    Soil moisture sensor needle length: 5.4 cm (2.13 inches)

    Soil moisture sensor needle diameter: 0.32 cm (0.13 inches)

    Temperature sensor diameter: 0.53 cm (0.21 in.)

    Sensor cable length: 2 m (6.56 ft)

  Weight: 267 g (94 oz)

Temperature Sensor: 

  Range: -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year

  Accuracy: ±0.25°C from -40 to 0°C; ±0.45 from -40 to 32°F; ±0.2°C from 0 to 70°C: ±0.36 from 32 to 158°F; ±0.25°C from 70 to 100°C; ±0.45 from 158 to 212°F

  Resolution: 0.04°C (0.072°F)

  Response Time: 3 minutes in air moving 1 m/s; 20 seconds in stirred water; 4 minutes in air moving 1 m/s with RS3-B Solar Radiation Shield

What's In The Box

  HOBO MX2307 Data Logger with 2m cable(s) and attached sensor(s)

  HOBO MX Soil Moisture Logger Quick Start

  Screws

  Cable ties

Manual