The Standard in

Plant Stress Measurement

Systems

Soil Survey

Portable Soil respiration measurement

SRS-SD 2000

Portable soil respiration measurement for all soils including wet soils

Truly portable soil respiration system that offers researchers superior performance for a variety of applications including spatial distribution studies. The SRS-SD 2000 offers humidity control that allows it to measure wet soils.

Features

  • Lightweight and compact
  • 16 hour battery charge life
  • Insensitive to wind
  • Almost unlimited data storage
  • Integral CO2 chamber analyzer
  • Graphical display
  • Humidity control for wet soils
  • Can be used with either PVC or stainless soil collars

SRS-SD 1000

Portable soil respiration measurement for most soils

Truly portable soil respiration system that offers researchers superior performance for a variety of applications including spatial distribution studies.

Features

  • Lightweight and compact
  • 8 hour battery charge life
  • Insensitive to wind
  • Almost unlimited data storage
  • Integral CO2 chamber analyzer
  • Graphical display
  • Humidity control for wet soils
  • Can be used with either PVC or stainless soil collars
  • ADC BioScientific has developed the SRS series, the SRS-1000 and SRS-2000, two truly portable soil respiration systems that offer researchers superior performance for a variety of applications including spatial distribution studies.

    The SRS-1000 is a truly portable soil respiration measurement system.

    The ultra compact design, weighing only 2kg, makes the SRS-1000 suitable for even the most remote field locations. It will work continuously for up to 10 hours from a single battery charge.

    It is light enough to be carried by a shoulder strap or even worn on a belt.

    Working in an “Open system" operational mode means that the SRS-1000 provides highly accurate analysis in both low and high activity soils.

    A graphical display allows easy monitoring of soil flux trends and the real time plotting of experimental curves.

    The SRS-2000 features additional facilities for more sophisticated soil flux experiments.

    Both CO2 and H2O can be automatically controlled inside the chamber. They can be controlled at single concentrations or automatically at sequential levels.

    This allows soil flux to be determined at different CO2 concentrations, whilst the ability to dry air within the chamber prevents condensation occurring when working with soils of high moisture content.

    For working with soils with extremely high levels of CO2 flux an extended 0-3000ppm CO2 range is provided with the SRS-2000.

    The SRS-2000 features a number of expanded graphical functions further enhancing the versatility and interactivity of the system.

    Despite these additional features the SRS-2000 weighs only 4.4kg and will work continuously for up to 16 hours from a single charge.

  • Gas exchange:

     

    CO2:

    Infrared gas analyzer 1ppm resolution

    SRS-SD1000 0-2000ppm

    SRS-SD2000 0-3000ppm

    H2O:

    0-75mbar, 0.1mbar resolution Two fast response water sensors

    Other sensors:

     

    Chamber temperature:

    0oC to 50oC. Precision thermistor

    Soil temperature:

    5oC to 50oC. Precision thermistor

    PAR:

    0-3000 μmols/m2 sec silicon photocell

    Automated environmental control:

    (SRS-SD2000 only):

     

    Programming:

    Automatic and independent control of CO2 and H2O within the soil chamber. Single and sequential control levels.

    CO2:

    Up to 2000ppm by integral elevated CO2 supply system.

    H2O:

    Above and below ambient conditions by on-board self indicating conditioning chemicals.

    Flow rate to chamber:

    0-500 ml/min

    Warm up time:

    5 minutes @ 20oC

    Display:

    Graphic display 240 x 64 super twist LCD

    Recorded data:

    Removable SD cards typically store 16 million sets of data on a 1Gb card

    Data output:

    Direct from SD cards and via USB

    Battery:

    SRS-SD1000 2.6Ah lead acid 12V battery. 10 hr battery life

    SRS-SD2000 6.8Ah lead acid 12V battery. 16 hr battery life

    Battery charger:

    90-260V, 50/60Hz

    Operating temperature range:

    5oC to 45oC

    Console:

     

    Dimensions

    SRS1000-SD 230 x 110 x 140cm

    SRS2000-SD 230 x 110 x 170cm

    Weight:

    SRS-SD1000 2.4kg

    SRS-SD2000 4.4kg

    Chamber construction:

    Collar stainless steel Upper chamber cast Acrylic

    Volume:

    1 liter

    Diameter:

    130mm

    Height:

    Collar 75mm

    Upper chamber 70mm

    Weight:

    Collar 325g

    Upper chamber 320g

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Opti-Sciences, Inc.     8 Winn Avenue      Hudson NH 03051       USA      (603)883-4400

Products

Opti-Sciences, Inc.

8 Winn Ave

Hudson, NH 03051, USA

Phone: (603) 883-4400

Fax: (603) 883-4410