Steps to Calibrate the Extech dissolved oxygen meter 407510

Calibrating your Extech dissolved oxygen meter 407510 is an essential step to ensure accurate readings and reliable data. Proper calibration will help you maintain the integrity of your measurements and ensure that your meter is functioning correctly. In this article, we will guide you through the steps to calibrate your Extech dissolved oxygen meter 407510.

Before you begin the calibration process, it is important to gather all the necessary materials. You will need a calibration kit that includes a calibration solution, a beaker or container to hold the solution, and a clean cloth or tissue to wipe the sensor. Make sure that the calibration solution is fresh and has not expired, as using expired solution can lead to inaccurate results.

The first step in calibrating your Extech dissolved oxygen meter 407510 is to turn on the meter and allow it to warm up for at least 15 minutes. This will ensure that the sensor is properly stabilized and ready for calibration. Once the meter is warmed up, you can proceed to the next step.

Next, you will need to prepare the calibration solution according to the manufacturer’s instructions. This typically involves mixing a specific amount of the calibration solution with a certain volume of distilled water. Make sure to follow the instructions carefully to ensure accurate calibration.

Model	CL-810/9500 Residual Chlorine Controller
Range	FAC/HOCL:0-10 mg/L, ATC TEMP:0-50℃
Accuracy	FAC/HOCL:0.1 mg/L, ATC TEMP:0.1℃
Oper. Temp.	0～50℃
Sensor	Constant Pressure Residual Chlorine Sensor
Waterproof Rate	IP65
Communication	Optional RS485
Output	4-20mA output; High/Low limit double relay control
Power	CL-810:AC 220V±10% 50/60Hz or AC 110V±10% 50/60Hz or DC24V/0.5A
	CL-9500:AC 85V-265V±10% 50/60Hz
Working Environment	Ambient temperature:0～50℃;
	Relative humidity≤85%
Dimensions	CL-810:96×96×100mm(H×W×L)
	CL-9500:96×96×132mm(H×W×L)
Hole Size	92×92mm(H×W)
Installation Mode	Embedded

Model	CCT-8301A Conductivity/Resistivity/TDS/TEMP Online Controller
Constant	0.01cm-1, 0.1 cm-1, 1.0cm-1, 10.0 cm-1
Conductivity	(500~100,000)uS/cm,(1~10,000)uS/cm, (0.5~200)uS/cm, (0.05~18.25) MΩ·cm
TDS	(250~50,000)ppm, (0.5~5,000)ppm, (0.25~100)ppm
Medium Temp.	(0~180)°C(Temp.Compensation: Pt1000)
Resolution	Conductivity: 0.01uS/cm, 0.01mS/cm; Resistivity: 0.01MΩ·cm; TDS:0.01ppm, Temp.: 0.1℃
Accuracy	Conductivity: 1.5%(FS), Resistivity:2.0%(FS), TDS: 1.5%(FS), Temp.: +/-0.5℃
Temp. compensation	With25°C as standard under normal medium; With 90C as standard under high temp medium
Communication port	RS485 Modbus RTU protocol
Analog output	Double channel (4~20)mA. Instrument/Transmitter for selection
Control Output	Triple channels photo-electronic semiconductor relay switch, Load capacity: AC/DC 30V,50mA(max)
Working Environment	Temp.(0~50)℃; relative humidity <95%RH (non-condensing)
Storage Environment	Temp.(-20~60)℃;Relative Humidity ≤85%RH (none condensation)
Power Supply	DC24V+/-15%
Protection Level	IP65 (with the back cover)
Dimension	96mmx96mmx94mm(HxWxD)
Hole Size	9lmmx91mm(HxW)

Once the calibration solution is prepared, you can begin the calibration process. Dip the sensor of the Extech dissolved oxygen meter 407510 into the calibration solution, making sure that the sensor is fully submerged. Allow the sensor to stabilize in the solution for a few minutes to ensure accurate readings.

After the sensor has stabilized, you can adjust the calibration settings on the meter to match the value of the calibration solution. This typically involves adjusting the zero and span settings to ensure that the meter is accurately calibrated. Follow the instructions provided by the manufacturer to make these adjustments correctly.

Once you have adjusted the calibration settings, you can remove the sensor from the calibration solution and rinse it with distilled water to remove any residue. Wipe the sensor dry with a clean cloth or tissue to ensure that it is clean and ready for use.

After completing the calibration process, it is important to perform a verification check to ensure that the meter is accurately calibrated. This involves measuring the dissolved oxygen levels in a known sample of water and comparing the readings to the expected values. If the readings are within an acceptable range, then your Extech dissolved oxygen meter 407510 is properly calibrated.

In conclusion, calibrating your Extech dissolved oxygen meter 407510 is a crucial step to ensure accurate readings and reliable data. By following the steps outlined in this article and using the proper materials, you can calibrate your meter with confidence. Remember to perform regular calibrations to maintain the accuracy of your measurements and ensure the proper functioning of your meter.