Pocket TDS meter LB-11TDS is a handheld unit with a dual measurement function. Hold function saves and records measurement readings. Automatic power off post ten minutes of last operation prolongs battery life. It determines the temperature and concentration of dissolved solids in a solution.
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TDS measuring range | 0 ~ 9999 ppm |
Temperature range | 0 °C ~ 50 °C |
Resolution | 10 ppm |
Accuracy | ± 2 % FS |
Battery power | 1.5 V |
Dimensions | 190 mm × 38 mm |
Weight | 80 grams |
Features
Applications
Used in determining total dissolved solids of solutions in chemical industry, waste water treatment, laboratories, research institutes, aquariums, etc.
Standard Accessories
Accessory | Quantity |
---|---|
Battery | 4 |
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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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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