FOGII Digital Soil Calcimeter (Plus - with UMP-2)

FOGII Digital Soil Calcimeter (Plus - with UMP-2)

Item no.: 5090202 Item no.: 5090201 (FOGII Field Kit)

Advantages at a glance

  • Fast and reliable values
  • Easy to use
  • Portable
  • Inexpensive

Please send me more information about FOGII Digital Soil Calcimeter (Plus - with UMP-2)

FOGII Digital Soil Calcimeter (Plus - with UMP-2)

The FOG calcimeter enables the measurement of the carbonate content in soil samples. This is a decisive parameter for soil fertility and plant health, but also in other areas such as in the production of cement and porcelain or for deep drilling. With the digital recording of data, ease of use and small footprint, the FOG calcimeters offer many advantages over the traditional Scheibler apparatus.

As with the Scheibler method, hydrochloric acid is added to the soil or sediment sample and the carbonate content is determined via the CO2 production. However, this is not done via the volume, but via the increase in pressure - with patented temperature compensation and very accurately. Once the measurement is complete (approx. 30 seconds), the result is displayed immediately and saved automatically.

The FOG-II Field-Calcimeter is supplied with all accessories in a portable field case. The measurement is carried out using a battery-operated hand-held device with internal memory for 50 measurements and an optional GPS receiver.  

The FOG-II Plus version is equipped with our proven UMP-2 probe for determining the water content in the soil and thus enables conversion to dry matter. This saves the otherwise necessary drying step in the laboratory. The output parameters of the FOG-II Plus include the soil water content, CaCO3 content and electrical conductivity.

Possible areas of application for determining the carbonate content:

  • Soil science, geochemistry, sedimentology
  • Agriculture, horticulture, green maintenance (soil properties and fertilizer dosing)
  • Cement industry: cement properties, CO2 balance
  • Ceramics industry, brick production, building material testing
  • Paper and plastics industry
  • Drilling material approach, e.g. for groundwater drilling or in the oil industry
  • Archaeological investigations

FOGII Digital Calcimeter Specifications

User Interface
Keyboard membrane, back-lighted LCD
Power Supply 3×AA alkaline or rechargeable batteries
Units % CaCO3
Working Range 0-100 % CaCO3
Accuracy 0.5 %CaCO3
Resolution 0.1 %
Linearity (r2) 0.999
Temperature Automatic compensation with built-in temperature sensor 5-50°C
Reaction Vessel Glass bottle
Sample Volume 0,5 ... 5 g
Sample Analysis Time Approx. 30 sec.
Memory The last 50 measurements can be stored internally
Protection IP65
Dimensions (L×W×H) 200 x 94 x 39 mm
Weight 350 g
Material Case: ABS (UL 94 HB)
Membrane keyboard:
Polyester (PET)
Display: Resin coated (scratch resistant)

UMP-2 Soil Moisture Probe Specifications

Water content measurement range 0-100 % Vol. water contentVol.-Wassergehalt
Water content accuracy ± 2%
Electrical conductivity measurement range 0,001-5 mS/cm
Electrical conductivity accuracy ± 1%v
Soil temperature measurement range -20 - +60 °C
Soil temperature accuracy ±0,2 °C (across the entire
temperature range)

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