Portable turbidity meter LB-11PTM is a microprocessor-controlled unit with a backlight function that provides convenient operation in dark areas. Auto-ranging function enables accurate readings. Automatic power off post thirty minutes of non-use prolongs battery life. It measures the turbidity of water.
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| Measurement range | 0 ~ 100 100 ~ 400 |
| Calibration point | 5 |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 0.5 % |
| Error | ± 6 % ( ± 2 % F.S ) |
| Battery power | 1.5 V |
| Power supply | AC 220 V/50 Hz DC 7.5 V/0.2 A |
| Dimensions | 210 × 75 × 70 mm |
| Weight | 0.5 kg |
Features
Applications
Used in wastewater treatments, laboratories, aquaculture, agriculture, research institutes, food and beverage industry, etc.
What our customers say
Remon 
6 months ago
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| 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 ~ 20 |
| Calibration point | |
| Minimum value | 0.01 |
| Repeatability | ≤ 1 % |
| Measurement range | 0 ~ 1000 |
| Calibration point | 7 |
| Minimum value | 0.1 |
| Repeatability | ≤ 1 % |
| Measurement range | 0 ~ 100 100 ~ 1000 |
| Calibration point | 7 |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 0.5 % |
| Measurement range | 0 ~ 20 0 ~ 200 |
| Calibration point | |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 1 % |
| Measurement range | 0 ~ 100 0 ~ 200 |
| Calibration point | 4 |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 0.5 % |
| Measurement range | 0 ~ 200 |
| Calibration point | 2 |
| Minimum value | 0.1 |
| Repeatability | ≤ 1 % |
| Measurement range | 0 ~ 100 100 ~ 500 |
| Calibration point | 6 |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 0.5 % |
| Measurement range | 0 ~ 100 100 ~ 800 |
| Calibration point | 6 |
| Minimum value | 0.01 0.1 |
| Repeatability | ≤ 0.5 % |
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: 0.000 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 |
| 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 |
| 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 ) |
| Resolution | |
| Accuracy ( electrode ) | ± 1 % FS |
Our Pocket TDS (Total Dissolved Solids) Meters are compact handheld devices designed for quick and convenient measurement of the concentration of dissolved solids in water. These meters typically use conductivity measurements to estimate TDS levels, providing users with valuable insights into water quality. With their portable design, digital displays, and straightforward operation, pocket TDS meters are widely used in applications such as water testing, aquarium maintenance, and hydroponics. They offer a practical and efficient way to assess the mineral content of water, ensuring its suitability for various purposes and providing essential information for maintaining optimal conditions in diverse environments.
| TDS measuring range | 0 ~ 5000 ppm |
| EC measuring range | 0 ~ 999 µs/cm |
| Temperature range | 0.1 °C ~ 80 °C |
| Resolution |
| TDS measuring range | 0 ~ 2500 ppm |
| EC measuring range | |
| Temperature range | 0 °C ~ 50 °C |
| Resolution | 2 ppm |
| TDS measuring range | 0 ~ 9999 ppm |
| EC measuring range | |
| Temperature range | 0 °C ~ 50 °C |
| Resolution | 10 ppm |
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 |
| Resolution |
| Measuring range | -1200 mV ~ 1200 mV |
| Accuracy | ± 2 mV |
| Temperature | 0 °C ~ 50 °C |
| Resolution | 1 mV |
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 201 ~2000 NTU 2001~4000 NTU |
| Allowable error of indication | ≤ ± 6 % |
| Receiving element | Silicon photocell |
| Light source | Tungsten halogen lamp 6 V, 10 W |
| 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 |
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 ~ 300 % |
| Temperature | 0 °C ~ 50 °C |
| Accuracy ( at 0.1 °C ) | ± 0.2 % |
| Resolution | 0.02 |
| Measurement range | 0 ~ 9999 mg/L |
| Temperature | 0 °C ~ 50 °C |
| Accuracy ( at 0.1 °C ) | ± 2 mg/L |
| Resolution | 1 mg/L |
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