Online pH Controller LOPC-A10 features 1 to 3 points pH calibration system, and 4 to 20 mA output signal transmitter. The large and clear back light LCD displays Calibration and setup values, temperature values, ATC (automatic temperature compensation) values, high and low limit of measurement. The automatic electrode slope display helps user decide when to replace the sensor.
USA (pH 4.01, 7.00, 10.01) or NIST (pH 4.01, 6.86, 9.18)
pH accuracy
± 0.01 pH
pH resolution
0.01 pH
mV measurement range
-1000 to 1000 mV
mV accuracy
± 1 mV
mV resolution
1 mV
Temperature range
0 to 100°C , 32 to 212°F
Temperature calibration points
1 point
Temperature calibration range
± 10°C
Temperature accuracy
± 1°C
Temperature resolution
0.1°C
Signal output
4 to 20 mA
Load
Max 500
Low and high alarm limits
1.00 to 10.00 pH, selectable
Connection Interface
RS485
Connection Terminals
Detectable screw terminals
Temperature compensation
Automatic, 0 to 100°C , 32 to 212°F
Environmental conditions
Ambient temperature to ≤ 60°C, RH ≤ 80%
Display
LCD
Power
DC 24 V
Dimension (L*W*H)
96 × 96 × 75 mm
Weight
350 g
Equipped with industrial pH electrode
1 to 3 pH calibration points with ‘Automatic buffer recognition’
ATC mode for accurate readings over entire range
Low high alarm limits set automatically activate an external device
Selectable temperature units °C or °F for diff. applications
System menu allows setting of up to 9 parameters
Reset features to resumes all setting back to default
Manual temperature calibration improves accuracy
Used to measure pH in waste water treatment and quality inspection plants, filtration systems, RO treatment water plants, Agriculture, Aquaculture, and research industry.
Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.
Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.
Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.
Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.
Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.
Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.
pH range
-2.00 to 20.00 pH
pH Accuracy
± 0.002 pH
pH Resolution
0.1/0.01/0.001 pH, selectable
pH Calibration Points
1 to 5 Points
pH Buffer Solutions
USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
mV Mode
mV Range
-1999.9 to 1999.9 mV
mV Accuracy
± 0.2 mV
mV Resolution
0.1/1 mV, selectable
mV Calibration Points
1 Point
Conductivity Mode
Conductivity Range
0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity Accuracy
± 0.5% F.S.
Conductivity Resolution
0.01/0.1/1
Conductivity Calibration Points
1 to 5 Points
Conductivity Solutions
10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm
Conductivity Temperature coefficient
0.0 to 10.0 %/°C
Compensation mode
Linear or Pure Water
Cell Constant
K=0.1, 1, 10 or Custom
Reference temperature
20 or 25°C
TDS Mode
TDS Range
0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS Accuracy
± 1 % F.S.
TDS Factor
0.1 to 1.0 (default 0.5)
pH range
-2.00 to 20.00 pH
pH Accuracy
± 0.002 pH
pH Resolution
0.1/0.01/0.001 pH, selectable
pH Calibration Points
1 to 5 Points
pH Buffer Solutions
USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
mV Mode
mV Range
-1999.9 to 1999.9 mV
mV Accuracy
± 0.2 mV
mV Resolution
0.1/1 mV, selectable
mV Calibration Points
1 Point
Conductivity Mode
Conductivity Range
0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity Accuracy
± 0.5% F.S.
Conductivity Resolution
0.01/0.1/1
Conductivity Calibration Points
1 to 5 Points
Conductivity Solutions
10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm
Conductivity Temperature coefficient
0.0 to 10.0 %/°C
Compensation mode
Linear or Pure Water
Cell Constant
K=0.1, 1, 10 or Custom
Reference temperature
20 or 25°C
TDS Mode
TDS Range
0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS Accuracy
± 1 % F.S.
TDS Factor
0.1 to 1.0 (default 0.5)
Salinity Mode
Salinity Range
0 to 10 ppt (maximum 80 ppt)
Salinity Accuracy
± 1 % F.S.
Measurement modes
Seawater or practical salinity
pH range
-2.00 to 20.00 pH
pH Accuracy
± 0.002 pH
pH Resolution
0.1/0.01/0.001 pH, selectable
pH Calibration Points
1 to 5 Points
pH Buffer Solutions
USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
mV Mode
mV Range
-1999.9 to 1999.9 mV
mV Accuracy
± 0.2 mV
mV Resolution
0.1/1 mV, selectable
mV Calibration Points
1 Point
Conductivity Mode
Conductivity Range
0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity Accuracy
± 0.5% F.S.
Conductivity Resolution
0.01/0.1/1
Conductivity Calibration Points
1 to 5 Points
Conductivity Solutions
10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm
Conductivity Temperature coefficient
0.0 to 10.0 %/°C
Compensation mode
Linear or Pure Water
Cell Constant
K=0.1, 1, 10 or Custom
Reference temperature
20 or 25°C
Dissolved Oxygen Mode
Dissolved Oxygen Range
0.00 to 20.00 mg/ L
Dissolved Oxygen Accuracy
± 0.2 mg/ L
Dissolved Oxygen Resolution
0.1/ 0.01 mg/ L, selectable
Dissolved Oxygen Calibration Points
1 or 2 Points
% Saturation Range
0.0 to 200.0 % with ± 2 % accuracy
Pressure correction
60 to 112.5 kPa, 450 to 850 mmHg
Salinity correction
0 to 50 g/ L
pH range
-2.00 to 20.00 pH
pH Accuracy
± 0.002 pH
pH Resolution
0.1/0.01/0.001 pH, selectable
pH Calibration Points
1 to 5 Points
pH Buffer Solutions
USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
ORP Mode
mV Range
± 2000 mV
mV Accuracy
± 0.2 mV
mV Resolution
0.1 mV, selectable
mV Calibration Points
1 Point, only for relative mode
Ion Mode
Ion measurement range
0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection)
Ion measurement accuracy
±0.5% F.S (Monovalent), ±1% F.S (Divalent)
Ion measurement resolution
0.001/0.01/0.1/1
Ion measurement calibration points
2 to 5 points
Ion measurement calibration solutions
0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L
Ion measurement methods
Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction
Water Hardness Mode
Water hardness measurement range
0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3)
Water hardness measurement accuracy
±1% F.S
Water hardness measurement resolution
0.001/0.01/0.1/1
Water hardness calibration points
2 to 5 points
Water hardness calibration solutions
0.01/0.1/1/10/100 mmol/L
Temperature Mode
Temperature measurement range
0 to 105°, 32 to 212°F
Temperature measurement accuracy
± 0.5°C, ± 0.9°F
Temperature measurement resolution
0.1°C, 0.1°F
Temperature measurement calibration points
1 point
