HORIBA Compact Calcium Meter LAQUAtwin Ca-11

HORIBASKU: 4540565006971
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Sale price¥46,255 JPY

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LAQUAtwin Ca-11 is a compact type water analysis instrument. Accurate measurement from only a single drop of sample onto HORIBA's original flat sensor. LAQUAtwin product line-up offers easy, quick, and reliable measurement. It brings new dimension to your water quality testing.

The only pocket meter that directly measures calcium ion concentration in 0.3ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allows measurement of viscous liquids, solids, and even powder samples. No need for a beaker to calibrate your meter or measure a sample. Just place few drops of the standard or sample onto the flat sensor. This procedure saves you time and prevents wasting your precious sample.


  • Minimum sample volume: 0.3ml (0.05ml with sampling sheet B)
  • Up to 2 calibration points
  • Auto standard recognition: 150 & 2000ppm calcium (default)
  • Changeable high and low calibration values
  • Temperature calibration: 5 to 40.0 degree Celsius
  • Auto hold / auto stable measurement
  • Auto power off: 30 mins.
  • Low battery indicator
  • IP67 Rating dust & waterproof
  • Replaceable sensor
  • 400 Hours battery life: continuous use without backlight
  • Material: ABS epoxy
  • Display: custom (monochrome) digital LCD with backlight
  • Operating conditions: 5 to 40 degree Celsius, 85% or less relative humidity
  • Supplied with 150 & 2000ppm calcium standards, 5 x sampling sheets B, 2 x CR2032 batteries, dropper, instruction and quick manuals


Model Number Ca-11
Measurement Principle Ion Selective Electrode
Minimum Sample Volume 0.3ml (0.05ml with sampling sheet B)
Measurement Range 4 to 9900 ppm (mg/L)
0.1 to 250 mmol/L
Resolution 0 to 99 ppm: 1 ppm
100 to 990 ppm: 10 ppm
1000 to 9900 ppm: 100 ppm
Accuracy Plus or minus 20% of actual value
Calibration Points Up to 2
Temperature Display 0 to 50.0 degree Celsius
Temperature Calibration 5 to 40.0 degree Celsius
Display Custom (monochrome) digital LCD with backlight
Operating Temperature 5 to 40.0 degree Celsius
Operating Humidity 85% or less relative humidity (no condensation)
Power CR2032 batteries (2)
Battery Life Approx. 400 hours in continuous use without backlight
Material ABS epoxy
Dimensions 164 x 29 x 20 mm (excluding projections)
Mass Approx. 55 g (including sensor and batteries)

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