Chemistries, Reagents and Standards. Shop All Chemistries, Reagents and Standards. Stablcal Turbidity Standards. Multi-Parameter Drinking Water Panels. Learn more about Claros The Water Intelligence System that turns your data into powerful operational insights. Click on the Graphic for more information. Test Strips Test Strips. Product : Page Section 3 Operation 3.
Information on the functions of each of these features is provided in Table 1 and supplemented with additional details in sections Section 3. Power switch turns instrument on and off.
Connector Air Purge Fitting Connection for air purge tubing. The number of measurements stored and used for displaying the average reading can be specified by the analyst between 1 and 15 readings. See Section 6. Page Using The Sample Key 3. The multi-detector ratioing optical system compensates for electronic and optical system variations between calibrations.
Page Formazin Stock Solution Note: Instead of diluting a formazin stock solution, StablCal stabilized formazin suspensions may be used. Page Secondary Turbidity Standards Make sure the sample cell is aligned in the cell holder the same way each Note: Consistent orientation of the time. Hach recommends using the vertical line that extends upward from the Gelex standards is critical each time diamond symbol on the vial as a reference mark. Align this mark with the sample they are used to check the instrument calibration.
Refer to SECTION 10 on page 85 for more information about application specific measurements, use of cell adapters, and interchangeable filter modules. Other dilutions can be prepared and used, but if problems occur when using these alternative solutions, use the dilutions specified in Section 3. This system is particularly useful when using the Flow-Thru Cell assembly. Verify the sample compartment is empty, and turn the instrument off.
Turn the instrument on its top place it on a soft cloth to protect the instrument from marring , and install the base plate of the stand as illustrated in Figure Tighten the caps enough to ensure a water- tight seal, but do not over tighten.
The kit contains a remote control cable used with the Model AN Turbidimeter for automated operation. Refer to Section 5. Omit step 5 in Section 5. Page 55 6. Connect the power supply to the Power jack on the Flow Valve Module. Plug the power supply into an appropriate wall receptacle.
Page 56 Flow-Cell, is approximately 30 mL. This volume purges the system approximately 4 times. Select the desired settings for Signal Averaging on or off and Ratio on or off. Note: Measurements in the Flow mode of operation can be made with Signal Averaging and Ratio modes 2.
Select the printer and print interval desired see Section 6. The Flow Valve remains open, before beginning measurement. This volume purges the system approximately four times. A shorter fill time may be appropriate when making repeated measurements of the same sample.
Page 61 SECTION 5, continued Figure 15 illustrates a suggested hookup using a pressure regulator in the inlet line and a flow meter or flow control valve on the outlet line. The control valve is installed on the outlet side because it may introduce bubbles into the sample causing positive interference in the turbidity reading.
Use of non-shielded as shown in Figure SETUP 2. The factory RS interface output is an eight-bit data word plus one stop bit and no parity with a baud rate of Baud Rate Select: 1. Press the small LED mode display flashes. Use the up, down and right arrow keys to enter into the mode display. The current baud rate flashes in the large display is the factory setting. Using a serial-to-parallel converter, the data string transmitted from the AN Turbidimeter prints on any Epson compatible parallel printer that is used with IBM compatible applications.
Page Printer Figure 20 shows a sample printout from the built-in printer. The printer is active for output when the printer selection setup number is set to see Section 6. This action recalls the current time programmed into the AN. Key in to set a new time. Page Measurement Notes Measurement notes Before measurement, select the printer to use and the print time interval. Refer to Configure the printer output on page Static or dynamic measurement procedure 1.
Install the automated 3. Push FLOW. Page Use A Cell Adapter 7. Push the arrow keys 9. When Push and hold the to select the open the flow valve and measurements are valve-control switch to The display shows measurement time.
If the ASC ability is not occur. Page Configure The Rs Connection 5. Table 5 RS command set continued 6. Page Configure The Data Recorder Output For the best accuracy and long-term data comparability, use formazin Note: The recorder minimum and maximum values are selected independently for stock solution from Hach to make formazin standards. When the measurement mode changes, the previous settings are automatically used. Page Formazin Calibration Procedure Formazin calibration procedure For the best accuracy, use four matched sample cells or the same sample cell for all measurements during calibration.
Rinse a clean 3. Clean the sample 4. Page Making Ntu Formazin Stock Solution The instrument may be calibrated using user-selected values of formazin Preparation of formazin stock solution is temperature and technique sensitive. Use standards. Hach formazin stock solution to get the best instrument performance and analytical standard accuracy. Dissolve 5. Page Prepare Formazin Standards - User Selected Calibration with user-selected values of formazin standards is done To change the value on the display during calibration: using the same method that is used to calibrate the instrument with recommended formazin standards with two differences: 1.
Push the right arrow key. The decimal point flashes. Use the arrow keys to select a measurement units option: set the analytical reference point again and measure again. Also, make Option Description sure that the expected reading is positive when measuring absorbance. Fire hazard. Use the same type and current rating to replace fuses. Error codes Replacement parts: Table Put the sample in the instrument again.
Turn the instrument off and then back on. Page Flashing 9S To delete any calibration data entered by the user: Replacement parts 1. Turn off the instrument. Description Quantity Item no.
Turn on the instrument. Page 50 Accessories continued Description Quantity Item no. Hexamethylenetetramine g Hydrazine sulfate g 48 English Page 52 Tel. All rights reserved. Printed in U. Print page 1 Print document 52 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals?
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