• 514-7 pH 7.00 Buffer
• 14-ml x 6 bottles
• For LAQUAtwin pH-11, pH-22, pH-33

• Y041 5000ppm Nitrate Ion Standard Solution
• 14-ml x 6 bottles
• For Twin B-341 and LAQUAtwin B-741, NO3-11C

• 514-20 Conditioning Solution
• 14-ml x 6 bottles
• For LAQUAtwin EC-11, EC-22, EC-33, Salt-11

• Replacement sensor for LAQUAtwin Salt-11
• Requires a minimum of 0.12 ml sample
• Corrosion-resistant titanium / platinum black cell material
• Waterproof

• Y048 Sampling Sheet Holder
• If tiny particles are contained in a sample (e.g., soil extract), the particles influence measurement results. Please use sampling sheet B together with sampling sheet holder.
• For LAQUAtwin pocket meters, except conductivity and salt EC models

• Y045 150ppm Nitrate Ion Standard Solution
• 14-ml x 6 bottles
• For Cardy C-141, Twin B-343, and LAQUAtwin B-743, NO3-11

• Y044 30ppm Nitrate Ion Standard Solution 
• 14-ml x 6 bottles
• For Twin B-342 and LAQUAtwin B-742, NO3-11S

• Y043 2000ppm Nitrate Ion Standard Solution
• 14-ml x 6 bottles
• For Cardy C-141, Twin B-343, and LAQUAtwin B-743, NO3-11

• Y042 300ppm Nitrate Ion Standard Solution
• 14-ml x 6 bottles
• For Twin B-341, B-342 and LAQUAtwin B-741, B-742, NO3-11C, NO3-11S

• Y051L 150ppm Calcium Ion Standard Solution
• 14-ml x 6 bottles
• For LAQUAtwin B-751 and Ca-11

• Y051H 2000ppm Calcium Ion Standard Solution
• 14-ml x 6 bottles
• For LAQUAtwin B-751 and Ca-11

• Y031L 150ppm Potassium Ion Standard Solution
• 14-ml x 6 bottles
• For Cardy C-131 and LAQUAtwin B-731, K-11

• Y031H 2000ppm Potassium Ion Standard Solution 
• 14-ml x 6 bottles
• For Cardy 131 and LAQUAtwin B-731, K-11

• Y022L 150ppm Sodium Ion Standard Solution
• 14-ml x 6 bottles
• For Cardy C-122 and LAQUAtwin B-722, Na-11

• 2000ppm Sodium Ion (Na+) Standard Solution
• 14-ml x 6 bottles
• For Cardy C-122 and LAQUAtwin B-722, Na-11

• Y046 Sampling Sheet B
• Contains 100 pcs. / box
• Use for minute samples (minimum of 0.05 ml) and particulate-containing samples (e.g., soil extract). For the latter, please use sampling sheet holder and cover the sensor during measurement.
• For LAQUAtwin and Twin pocket meters, except conductivity and salt EC models

• Replacement sensor for LAQUAtwin B-771, EC-11, EC-22, and EC-33
• Requires a minimum of 0.12 ml sample
• Corrosion-resistant titanium / platinum black cell material
• Waterproof

• Replacement sensor for the B-713, pH 11, ph 22, pH 33
• Employing the same test principle as standard laboratory electrodes, the LAQUAtwin packs all components into a flat sensor that’s less than 1 mm thick.
• Waterproof construction protects the instrument.

• HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.
• Sensors are easily replaced as required.
• Measure even smaller samples with the LAQUAtwin sampling sheet.
• The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.
• Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).
• Carry case comes as standard for handy portability.
• The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.
• LAQUAtwin is IP67 rated.

• HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.
• Sensors are easily replaced as required.
• Measure even smaller samples with the LAQUAtwin sampling sheet.
• The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.
• Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).
• Carry case comes as standard for handy portability.
• The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.
• LAQUAtwin is IP67 rated.

• Replacement sensor for LAQUAtwin B-751 and Ca-11
• Requires a minimum of 0.3 ml sample with direct measurement (0.05 ml with sampling sheet B)
• Sensor guard has a sliding cap for scooping water sample
• Waterproof

• Replacement sensor for LAQUAtwin B-731 and K-11
• Requires a minimum of 0.3 ml sample with direct measurement (0.05 ml with sampling sheet B)
• Sensor guard has a sliding cap for scooping water sample
• Waterproof

• Replacement sensor for LAQUAtwin B-722 and Na-11
• Requires a minimum of 0.3 ml sample with direct measurement (0.05 ml with sampling sheet B) 
• Sensor guard has a sliding cap for scooping water sample
• Waterproof

• Replacement sensor for LAQUAtwin B-721 and Salt-22
• Requires a minimum of 0.3 ml sample with direct measurement (0.05 ml sample with sampling sheet B)
• Sensor guard has a sliding cap for scooping water sample
• Waterproof

• Replacement sensor for the B-741,B-742,B-743,B-341,342,343
• Flat electrode for nitric ion which is so selective that pH or other ions do not affect it.

HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.

Sensors are easily replaced as required.

Measure even smaller samples with the LAQUAtwin sampling sheet.

The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.

Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).

Carry case comes as standard for handy portability.

The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.

LAQUAtwin is IP67 rated.

• HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.
• Sensors are easily replaced as required.
• Measure even smaller samples with the LAQUAtwin sampling sheet.
• The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.
• Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).
• Carry case comes as standard for handy portability.
• The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.
• LAQUAtwin is IP67 rated.

• Automatic pH calibration - up to 5 points (NIST, USA pH buffers) / up to 6 points (DIN pH buffers)  
• 0.01 pH resolution
• Offset and average slope display 
• Automatic / manual temperature compensation and temperature calibration function
• ORP calibration option
• °C & °F temperature readings
• Auto log data; built-in memory can store up to 500 data
• Auto shut-off (programmable: up to 30 minutes)
• Auto stable, auto hold, and real time measurement modes
• Calibration alarm (programmable: up to 90 days)
• Built-in electrode holder allows 2 electrodes to be attached
• Monochrome LCD with white LED backlight: 50 x 50 mm
• Casing is IP67 waterproof/dustproof, shock & scratch resistant, non-slip
• Powered by 2 x AA batteries
• Packaged with electrode and calibration solutions in carrying case
• 3 years meter warranty

• HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.
• Sensors are easily replaced as required.
• Measure even smaller samples with the LAQUAtwin sampling sheet.
• The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.
• Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).
• Carry case comes as standard for handy portability.
• The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.
• LAQUAtwin is IP67 rated.

• HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.
• Sensors are easily replaced as required.
• Measure even smaller samples with the LAQUAtwin sampling sheet.
• The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.
• Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).
• Carry case comes as standard for handy portability.
• The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.
• LAQUAtwin is IP67 rated.

HORIBA's highly-sensitive, flat sensor technology opens up new possibilities for sampling and sample types. Only a small amount of sample is required, so you can easily sample in situ without the need for beakers or other labware.

Sensors are easily replaced as required.

Measure even smaller samples with the LAQUAtwin sampling sheet.

The sampling sheet allows trace volumes to be analysed. For example, you can even measure the pH of human skin by wiping with a sampling sheet soaked in pure water, and placing it on the sensor.

Using the HORIBA sampling sheet, volumes down to 0.05 ml can be tested (except for conductivity measurements).

Carry case comes as standard for handy portability.

The compact carry case contains everything you need for your measurements, including the standard solution and sampling sheets.

LAQUAtwin is IP67 rated.