Table of Contents
Steps for Calibrating Hach SC200 Turbidity Meter
Calibrating a Hach SC200 turbidity meter is an essential step in ensuring accurate and reliable measurements of turbidity in water samples. Proper calibration helps to maintain the instrument’s accuracy and precision, which is crucial for obtaining meaningful data in various applications such as Drinking Water treatment, wastewater monitoring, and environmental research.
To calibrate a Hach SC200 turbidity meter, you will need a calibration kit that includes a set of standard turbidity solutions with known values. These solutions are used to establish a reference point for the instrument’s measurements and to adjust its readings accordingly. Before starting the calibration process, make sure that the instrument is clean and free of any debris or residue that could affect its performance.
The first step in calibrating the Hach SC200 turbidity meter is to prepare the standard turbidity solutions according to the manufacturer’s instructions. These solutions should cover a range of turbidity values that are relevant to your specific application. Once the solutions are ready, pour them into clean, transparent cuvettes that are compatible with the instrument.
Next, turn on the Hach SC200 turbidity meter and allow it to warm up for a few minutes to stabilize its readings. Once the instrument is ready, insert the first standard turbidity solution into the cuvette holder and place it in the measurement chamber. Make sure that the cuvette is properly aligned with the instrument’s light source and detector to ensure accurate readings.
FL-9900 High Precision Type Runner Flow Controller | ||
Measuring range | Frequency | 0\\uff5e2K Hz |
Velocity of flow | 0.5\\uff5e5 m/s | |
Instantaneous flow | 0\\uff5e2000 m\\u00b3/h | |
Cumulative flow | 0\\uff5e9999 9999.999 m\\u00b3 | |
Applicable pipe diameter range | DN15\\uff5eDN100;DN125\\uff5eDN300 | |
Resolution | 0.01 m\\u00b3/h | |
Refresh rate | 1s | |
Accuracy class | Level 2.0 | |
Repeatability | \\u00b10.5% | |
Sensor input | Radius:0\\uff5e2K Hz | |
Supply voltage:DC 24V(instrument internal supply) | ||
The electronic unit automatically temperature compensates for errors | +0.5%FS; | |
4-20mA | Technical characteristics | Meter/transmitter dual mode (photoelectric isolation) |
Loop resistance | 500Q(max)\\uff0cDC24V; | |
Transmission accuracy | \\u00b10.01mA | |
Control port | Contact mode | Passive relay control output |
Load capacity | Load current 5A (max) | |
Function selection | Instantaneous flow upper/lower alarm | |
Mains supply | Working voltage: DC24V 4V Power consumption :<; 3.OW | |
Cable length | Factory configuration: 5m, can be agreed: (1~500) m | |
Environmental requirement | Temperature: 0~50\\u2103; Relative humidity: \\u226485%RH | |
Storage Environment | Temperature: (-20~60) \\u2103; Humidity: 85%RH | |
Overall dimension | 96\\u00d796\\u00d772mm\\uff08height \\u00d7 width \\u00d7 depth\\uff09 | |
Opening size | 92\\u00d792mm | |
Installation mode | Disc mounted, fast fixed | |
Sensor | Body material | Body: Engineering plastic PP; Bearing :Zr02 high temperature zirconia |
Flow rate range | 0.5\\uff5e5 m/s | |
Withstand pressure | \\u22640.6MPa | |
Supply voltage | lDC 24V | |
Output pulse amplitude| | Vp\\u22658V | |
Normal pipe diameter | DN15\\uff5eDN100;DN125\\uff5eDN600 | |
Medium characteristic | Single-phase medium\\uff080~60\\u2103\\uff09 | |
Installation mode | Direct line insertion |
After inserting the standard turbidity solution, follow the instrument’s calibration procedure to initiate the calibration process. This typically involves selecting the calibration mode on the instrument’s display and entering the known turbidity value of the standard solution. The instrument will then compare its measurement of the standard solution to the known value and make any necessary adjustments to its calibration settings.
Once the calibration process is complete, remove the standard turbidity solution from the measurement chamber and rinse the cuvette with clean water to remove any residue. Repeat the calibration process with the remaining standard turbidity solutions, following the same steps for each solution. It is important to calibrate the instrument with multiple standard solutions to ensure accurate measurements across a range of turbidity values.
After calibrating the Hach SC200 turbidity meter with all the standard solutions, verify the calibration by measuring a known turbidity sample with the instrument. Compare the instrument’s measurement of the sample to its actual turbidity value to confirm that the calibration was successful. If the instrument’s readings are within an acceptable range of the sample’s known value, the calibration is complete.
In conclusion, calibrating a Hach SC200 turbidity meter is a straightforward process that involves preparing standard turbidity solutions, following the instrument’s calibration procedure, and verifying the calibration with known samples. By calibrating the instrument regularly and following proper maintenance procedures, you can ensure accurate and reliable measurements of turbidity in water samples. Proper calibration is essential for obtaining meaningful data in various applications and for maintaining the instrument’s performance over time.