Table of Contents
Benefits of Using Lab 945 conductivity meter for Water Quality Testing
Water quality testing is a crucial aspect of ensuring the safety and purity of our drinking water. One of the key parameters that is often measured in water quality testing is conductivity. Conductivity is a measure of the ability of water to conduct an electrical current, which is directly related to the concentration of dissolved ions in the water. High conductivity levels can indicate the presence of contaminants such as salts, metals, or other pollutants.
In order to accurately measure conductivity levels in water, a reliable and precise instrument is needed. The Lab 945 conductivity meter is a state-of-the-art device that is specifically designed for water quality testing. This advanced meter offers a wide range of benefits that make it an essential tool for any laboratory or environmental monitoring program.
In addition to its accuracy, the Lab 945 conductivity meter also offers a high level of sensitivity. This meter is able to detect changes in conductivity levels at very low concentrations, making it ideal for detecting trace amounts of contaminants in water. This sensitivity is crucial for ensuring that water quality standards are met and maintained.
Another key benefit of the Lab 945 conductivity meter is its ease of use. This meter is designed with a user-friendly interface that makes it easy to operate, even for those with limited experience in water quality testing. The meter also comes with a range of pre-programmed settings and calibration options that make it simple to set up and use for different types of water samples.
The Lab 945 conductivity meter is also highly versatile, with the ability to measure conductivity levels in a wide range of water sources. Whether testing drinking water, wastewater, surface water, or groundwater, this meter is able to provide accurate and reliable measurements. This versatility makes it a valuable tool for a variety of applications, from environmental monitoring to industrial water treatment.
| Measurement range | N,N-Diethyl-1,4-phenylenediamine (DPD) spectrophotometry | |||
| Model | CLA-7112 | CLA-7212 | CLA-7113 | CLA-7213 |
| Inlet channel | Single channel | Double channel | Single channel | Double channel |
| Measurement range | Free chlorine：(0.0-2.0)mg/L ,Calculated as Cl2; | Free chlorine:(0.5-10.0)mg/L ,Calculated as Cl2; | ||
| pH：（0-14）；Temperature：（0-100）℃ | ||||
| Accuracy | Free chlorine:±10% or ±0.05mg/L(take the large value),Calculated as Cl2; | Free chlorine:±10% or±0.25mg/L(take the large value),Calculated as Cl2; | ||
| pH:±0.1pH；Temperature：±0.5℃ | ||||
| Measurement Period | ≤2.5min | |||
| Sampling interval | The interval (1～999) min can be set arbitrarily | |||
| Maintenance cycle | Recommended once a month (see maintenance chapter) | |||
| Environmental requirements | A ventilated and dry room without strong vibration;Recommended room temperature：（15～28）℃；Relative humidity：≤85%（No condensation） | |||
| Water sample flow | （200-400） mL/min | |||
| Inlet pressure | （0.1-0.3） bar | |||
| Inlet water temperature range | （0-40）℃ | |||
| Power supply | AC (100-240)V； 50/60Hz | |||
| Power | 120W | |||
| Power connection | The 3-core power cord with plug is connected to the mains socket with ground wire | |||
| Data output | RS232/RS485/（4～20）mA | |||
| Size | H*W*D：（800*400*200）mm | |||
In addition to its accuracy, sensitivity, ease of use, and versatility, the Lab 945 conductivity meter also offers a high level of durability and reliability. This meter is built to withstand the rigors of daily use in a laboratory or field setting, with a rugged design that can withstand harsh environmental conditions. This durability ensures that the meter will continue to provide accurate measurements over time, making it a long-lasting investment for any water quality testing program.
Overall, the Lab 945 conductivity meter is a valuable tool for anyone involved in water quality testing. With its high level of accuracy, sensitivity, ease of use, versatility, durability, and reliability, this meter offers a wide range of benefits that make it an essential instrument for ensuring the safety and purity of our drinking water. Whether testing for contaminants in drinking water, monitoring industrial wastewater, or conducting environmental research, the Lab 945 conductivity meter is a reliable and precise tool that can help ensure the quality of our water supply.
How to Properly Calibrate and Maintain Lab 945 conductivity meter
Lab 945 conductivity meters are essential tools in various scientific and industrial settings for measuring the conductivity of solutions. To ensure accurate and reliable results, it is crucial to properly calibrate and maintain these instruments on a regular basis. In this article, we will discuss the steps involved in calibrating and maintaining a Lab 945 conductivity meter to ensure optimal performance.
Calibrating a Lab 945 conductivity meter is a straightforward process that involves adjusting the instrument to accurately measure the conductivity of a standard solution. Before calibrating the meter, it is important to ensure that the electrodes are clean and free of any debris that could affect the accuracy of the readings. To begin the calibration process, prepare a standard solution with a known conductivity value and immerse the electrodes of the meter into the solution.
Once the electrodes are submerged in the standard solution, follow the manufacturer’s instructions to initiate the calibration process. This typically involves adjusting the meter to match the conductivity value of the standard solution. It is important to carefully follow the instructions provided by the manufacturer to ensure that the calibration is done correctly.
After calibrating the Lab 945 conductivity meter, it is important to regularly maintain the instrument to ensure accurate and reliable results. One of the most important maintenance tasks is to clean the electrodes after each use to remove any residue that could affect the accuracy of the readings. To clean the electrodes, gently wipe them with a soft cloth or tissue soaked in a mild cleaning solution.
| Model | RM-220s/ER-510 resistivity controller |
| Range | 0-20uS/cm; 0-18.25MΩ |
| Accuracy | 2.0%(FS) |
| Temp. Comp. | Automatic temperature compensation based on 25℃ |
| Oper. Temp. | Normal 0～50℃; High temp 0～120℃ |
| Sensor | 0.01/0.02 cm-1 |
| Display | LCD Screen |
| Communication | ER-510:4-20mA output/RS485 |
| Output | ER-510:High/Low limit dual relay control |
| Power | AC 220V±10% 50/60Hz or AC 110V±10% 50/60Hz or DC24V/0.5A |
| Working Environment | Ambient temperature:0～50℃ |
| Relative humidity≤85% | |
| Dimensions | 48×96×100mm(H×W×L) |
| Hole Size | 45×92mm(H×W) |
| Installation Mode | Embedded |
In addition to cleaning the electrodes, it is also important to regularly check the condition of the electrodes and replace them if they show signs of wear or damage. Over time, electrodes can become worn or corroded, which can affect the accuracy of the readings. By regularly inspecting and replacing the electrodes, you can ensure that the meter continues to provide accurate results.
Another important aspect of maintaining a Lab 945 conductivity meter is to store it properly when not in use. It is important to store the meter in a clean, dry environment away from direct sunlight and extreme temperatures. Storing the meter in a suitable environment can help prolong its lifespan and ensure that it continues to provide accurate readings.
In conclusion, calibrating and maintaining a Lab 945 conductivity meter is essential for ensuring accurate and reliable results. By following the proper calibration procedures and regularly maintaining the instrument, you can ensure that it continues to perform optimally. Remember to clean the electrodes after each use, check their condition regularly, and store the meter properly to prolong its lifespan. By taking these steps, you can ensure that your Lab 945 conductivity meter continues to provide accurate readings for years to come.
