Labotronics Ratio Turbidimeter is an analytical instrument specifically designed for measuring the turbidity of liquid samples by employing a ratio turbidimetry technique. This method involves the measurement of scattered light at two different angles, typically 90 and 180 degrees, to enhance accuracy in turbidity readings. The instrument uses a dual detector system to minimize interferences and improve sensitivity, ensuring precise and reliable turbidity measurements. Our ratio turbidimeters are commonly employed in water treatment facilities, environmental monitoring, and industrial processes where accurate turbidity assessments are crucial for quality control and regulatory compliance.
Measurement range |
0.005 ~ 50.0 NTU
1 ~ 200 NTU |
Allowable error of indication |
≤ ± 8 % |
Receiving element |
Silicon photocell |
Light source |
Tungsten halogen lamp
6 V, 10 W |
Measurement range |
0.005 ~ 50.0 NTU
1 ~ 200 NTU
201 ~2000 NTU |
Allowable error of indication |
0 ~ 200 NTU: ≤ ± 8 %
201 ~ 200 NTU: ≤ ± 6 % |
Receiving element |
Silicon photocell |
Light source |
Tungsten halogen lamp
6 V, 10 W |
Measurement range |
0.005 ~ 50.0 NTU
1 ~ 200 NTU
201 ~2000 NTU
2001~4000 NTU |
Allowable error of indication |
≤ ± 6 % |
Receiving element |
Silicon photocell |
Light source |
Tungsten halogen lamp
6 V, 10 W |
Our ORP (Oxidation-Reduction Potential) Pocket Meters are compact, handheld devices designed for convenient on-the-go measurement of the oxidative or reducing ability of a solution. Utilizing an electrode system, these meters assess the electron activity in the liquid, providing a quick indication of its redox potential. Commonly used in water quality testing, aquaculture, and industrial processes, ORP pocket meters are valuable tools for assessing the overall health and stability of a solution. With a portable design, digital display, and user-friendly controls, these meters offer flexibility in monitoring and optimizing oxidative/reductive conditions in various settings, contributing to the efficient management of water quality, chemical processes, and environmental conditions.
Measuring range |
± 1999 mV |
Accuracy |
± 5 mV |
Temperature |
0 °C ~ 50 °C |
Battery power |
1.5 V |
Measuring range |
-1200 mV ~ 1200 mV |
Accuracy |
± 2 mV |
Temperature |
0 °C ~ 50 °C |
Resolution |
1 mV |
Our handheld salinity meters are portable devices designed for on-the-spot measurement of salinity levels in liquids, particularly in aquatic environments. These compact instruments typically use conductivity or refractometry principles to assess the concentration of dissolved salts in water. Featuring a user-friendly interface and a digital display, handheld salinity meters provide quick and accurate readings, making them invaluable tools for fieldwork, aquaculture, and environmental monitoring. The meters often offer versatility by allowing users to switch between practical salinity units and other measurement units. With their portability and ease of use, handheld salinity meters contribute to efficient water quality assessment in diverse applications, ensuring the optimal conditions for aquatic ecosystems, research, and industrial processes.
Measurement range |
0 ~ 2500 mg/L |
Temperature |
0 °C ~ 50 °C |
Accuracy ( at 0.1 °C ) |
± 2 mg/L |
Resolution |
1 mg/L |
Measurement range |
0 ~ 9999 mg/L |
Temperature |
0 °C ~ 50 °C |
Accuracy ( at 0.1 °C ) |
± 2 mg/L |
Resolution |
1 mg/L |
Measurement range |
0 ~ 300 % |
Temperature |
0 °C ~ 50 °C |
Accuracy ( at 0.1 °C ) |
± 0.2 % |
Resolution |
0.02 |
Our Benchtop Conductivity Meter is a compact and precision instrument used for measuring the electrical conductivity of liquids. Typically designed for laboratory or industrial settings, it consists of a control unit and a conductivity cell. The meter assesses the ability of a solution to conduct an electric current, providing valuable information about the solution's ionic content and purity. Our benchtop models offer accuracy and ease of use, often featuring digital displays, adjustable settings, and the capacity to measure a wide range of conductivity levels. Widely utilized in chemistry, environmental science, and quality control applications, these meters play a crucial role in ensuring the consistency and reliability of solutions in diverse industries.
Measuring range |
Conductivity: 0.00 µS/cm to 200 mS/cm
TDS: 0.00 mg/L to 100 g/L |
Resolution |
Conductivity: 0.01 µS/cm
TDS: 0.01 mg/L |
Accuracy |
±1.0% FS |
Conductivity reference temperature |
25°C |
Measuring range |
Conductivity: 0.000 µS/cm to 2000 mS/cm
Resistivity: 5.00 Ω.cm to 100.00 MΩ.cm
TDS: 0.000 to 1000 ppt
Salinity: 0.00 to 8.00%
Temperature: -10 to 135°C; 14 to 275°F |
Resolution |
Conductivity: 0.001 µS/cm
Resistivity: 0.01 Ω.cm
TDS: 0.001 ppm
Salinity: 0.01%
Temperature: 0.1°C/°F |
Accuracy |
Conductivity: ±0.5% FS
Resistivity: ±0.5% FS
TDS: ±0.5% FS
Salinity: ±0.01%
Temperature: ±0.1°C/°F |
Conductivity calibration points |
Up to 5 |
Measurement range |
0.0 ~ 199.9 µs/cm
200 µs/cm ~ 1999 µs/cm
2.0 µs/cm ~ 19.99 ms/cm
20 µs/cm ~ 199.9 ms/cm |
Temperature compensation |
10 °C ~ 50 °C ( manual ) |
Resolution |
0.1/1µs/cm
0.01/0.1ms/cm |
Accuracy ( electrode ) |
± 1 % FS |
Measurement range |
0.0 ~ 2 × 105 µs/cm |
Temperature compensation |
15 °C ~ 35 °C ( manual ) |
Accuracy ( electrode ) |
± 1 % FS |
Dimensions |
240 × 170 × 60 mm |
Labotronics Portable Turbidity Meter is a compact and versatile device used for on-site measurement of water clarity by assessing the amount of suspended particles or turbidity in a liquid sample. Equipped with an optical sensor, these meters offer quick and accurate readings, making them ideal for fieldwork, environmental monitoring, and water quality assessments. The portable design, user-friendly interface, and digital display contribute to their ease of use in various settings. Our portable turbidity meters play a crucial role in ensuring compliance with water quality standards, evaluating the effectiveness of water treatment processes, and monitoring changes in environmental conditions where precise turbidity measurements are essential.
Measurement Range |
0 to 1100 NTU
0 to 275 EBC
0 to 9999 ASBC |
Resolution |
0.01 (0 to 99 NTU)
0.1 (100 to 999 NTU)
1 (1000 to 1100 NTU) |
Accuracy |
± 2% of reading (0 to 500 NTU)
± 3% of reading (501 to 1100 NTU) |
Measurement Principal |
ISO 7027 nephelometric method (90°) |
Measurement range |
0 ~ 100
0 ~ 200 |
Calibration point |
4 |
Minimum value |
0.01
0.1 |
Repeatability |
≤ 0.5 % |
Measurement range |
0 ~ 100
100 ~ 400 |
Calibration point |
5 |
Minimum value |
0.01
0.1 |
Repeatability |
≤ 0.5 % |
Measurement range |
0 ~ 100
100 ~ 500 |
Calibration point |
6 |
Minimum value |
0.01
0.1 |
Repeatability |
≤ 0.5 % |
Labotronics Benchtop Turbidity Meter is a laboratory instrument designed to measure the cloudiness or turbidity of a liquid sample. Typically used in environmental monitoring, water treatment plants, and research laboratories, these meters utilize optical sensors to quantify the amount of suspended particles or colloids in the liquid. The benchtop design ensures stability during measurements, and the meters often feature a digital display for convenient and accurate readings. Our benchtop turbidity meter is an essential tool for researchers and professionals working in fields where precise turbidity measurements are necessary for quality control and compliance with regulatory standards.
Type |
Benchtop |
Principle method |
Nephelometric principle with 90° detection |
Measuring Range |
0 to 20, 20 to 200, and 200 to 1000 NTU |
Auto-ranging |
0 to 1000 NTUs |
Measurement range |
0 ~ 200 |
Minimum value |
0.1 |
Error |
± 6 % ( ± 2 % F.S ) |
Repeatability |
≤ 0.8 % |
Measurement range |
0 ~ 100
100 ~ 200 |
Minimum value |
0.01
0.1 |
Error |
± 6 % ( ± 2 % F.S ) |
Repeatability |
≤ 0.8 % |
Measurement range |
0 ~ 400 |
Minimum value |
0.01
0.1 |
Error |
± 6 % ( ± 2 % F.S ) |
Repeatability |
≤ 0.8 % |
Our COD (Chemical Oxygen Demand) Thermoreactors are specialized devices used in environmental laboratories for the digestion and determination of COD levels in water samples. These reactors employ controlled heating to accelerate the chemical oxidation process, ensuring efficient breakdown of organic and inorganic compounds in the sample. Typically featuring user-friendly controls and safety features, these reactors play a key role in environmental monitoring, wastewater treatment, and compliance testing, helping industries and regulatory bodies assess the impact of pollutants on water bodies and ensure adherence to environmental standards
Number of sample |
8 (Ø 42 mm) |
Dimensions |
350 × 750 × 370 mm |
Power |
1000 W |
Temperature |
5 °C to 200 °C |
Number of sample |
12 (Ø 42 mm) |
Dimensions |
360 × 750 × 430 mm |
Power |
1500 W |
Temperature |
5 °C to 200 °C |
Number of sample |
20 (Ø 42 mm) |
Dimensions |
420 × 750 × 480 mm |
Power |
2000 W |
Temperature |
5 °C to 200 °C |
We provide a benchtop multiparameter meter is a versatile laboratory instrument designed to concurrently measure and display various physicochemical parameters in liquids. This compact device typically integrates probes for parameters such as pH, conductivity, dissolved oxygen, and temperature, providing a comprehensive analysis of liquid samples. Equipped with a user-friendly interface and a digital display, these meters offer efficient and precise data collection for research, quality control, and environmental monitoring purposes. Their benchtop design ensures stability and ease of use in laboratory settings, allowing scientists and researchers to streamline the measurement process and obtain valuable information about the composition and quality of liquids.
Temperature Parameters |
Range: -5 to 110 ºC, 23 to 230 ºF
Unit: ºC, ºF
Resolution: 0.1
Accuracy: ±0.2 |
Measurement Modes |
Reading Mode: Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading Prompts: Reading, Stable, Locked, Temp. Compensation: ATC, MTC |
Parameters |
pH/ EC/ ISE/ Temp. (mV/ ORP/ pX/ Resistivity/ TDS /Sal.) |
pH |
Range: -2.00 to 20.00 ph
Resolution: 0.1, 0.01 pH
Accuracy: ±0.01 pH
Calibration Points: Up to 5
Standard Recognition: NIST, GB, and DIN buffers
Slope Limit |
Measuring parameters |
pH/EC/ISE/Temperature (mV/ORP/pX/Resistivity/TDS/Salinity) |
Measuring range |
pH: -2.000 to 20.000 pH
mV/ORP: -2000.00 to 2000.00 mV
pX range: -2.000 to 20.000 pX
ISE: 1E-9 to 9.999E9
Conductivity: 0.000 µS/cm to 2000 mS/cm
Resistivity: 5.00 Ω·cm to 100.00 MΩ·cm
TDS: 0.000 to 1000 ppt
Salinity: 0.0 to 80.0 ppt
Temperature: -10 to 135°C, 14 to 275°F |
Resolution |
pH: 0.1, 0.01, 0.001 pH
mV/ORP: 0.1, 0.01 mV
pX: 0.1, 0.01, 0.001 pX
ISE: Up to 4 significant units
Conductivity: 0.001 µS/cm
Resistivity: 0.01 Ω·cm
TDS: 0.001 ppm
Salinity: 0.1 ppt
Temperature: 0.1°C/°F |
Accuracy |
pH: ±0.002 pH
mV/ORP: ±0.1 mV or ±0.03%
pX: ±0.002 pX
ISE: ±0.3%
Conductivity: ±0.5%FS
Resistivity: ±0.5% FS
TDS: ±0.5%
Salinity: ±1 ppt
Temperature: ±0.1 °C/°F |
COD Measuring Range |
10 to 15000 mg/L |
COD Detection Method |
Potassium Dichromate Method
Potassium Permanganate method |
COD Detection Lower Limit |
10 mg/L |
COD Digestion Temperature & Time |
165 °C, 20 min |
pH Range |
- 2.000 to 20.000 pH |
pH Resolution |
0.001, 0.01, 0.1 pH, selectable |
pH Accuracy |
± 0.002 pH |
pH Calibration Points |
1 to 5 points |
Measurement Parameter |
COD (Chemical Oxygen Demand), TOC (Total Organic Carbon), UV275
(Ultraviolet Absorption Value), TDS (Total Dissolved Solids), Electrical
conductivity, Temperature |
COD Range |
0-100 mg/L |
TOC Range |
0-100 mg/L |
UV275 Range |
0-1.0 au/cm |