DOC022.52.
Table of Contents Specifications ..................................................................................................................................................................................3 General information .....................................................................................................................................................................3 Safety information ...........................................................................................
Table of Contents Send stored data ..............................................................................................................................................................................12 Advanced operation ..................................................................................................................................................................12 Display contrast .................................................................................................
Specifications Specifications are subject to change without notice. Specification Details Measurement method Ratio turbidimetric determination using a primary nephelometric light scatter signal (90°) to the transmitted light scatter signal. Regulatory 2100Q: Meets EPA Method 180.
Safety information Precautionary labels NOTICE The manufacturer is not responsible for any damages due to misapplication or misuse of this product including, without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent permitted under applicable law. The user is solely responsible to identify critical application risks and install appropriate mechanisms to protect processes during a possible equipment malfunction.
2. The equipment must accept any interference received, including interference that may cause undesired operation. Figure 1 Product overview Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
Figure 2 2100Q and 2100Qis components Install the battery WARNING Explosion hazard. An expired battery can cause hydrogen gas buildup inside the instrument. Replace the battery before it expires. Do not store the instrument for long periods with a battery installed. WARNING Potential fire hazard. Use only alkaline or nickel metal hydride batteries (NiMH) in the meter. Other battery types or incorrect installation can cause a fire. Never mix battery types in the meter.
Figure 3 Battery installation User interface and navigation User interface Figure 4 Keypad description 1 SETTINGS key: select menu options for setting up the meter 5 UP key: scroll through menus, enter numbers and letters 2 CALIBRATION key: shows calibration screen, start calibration, select cal options 6 RIGHT key (contextual): read turbidity sample, selects or confirms options, opens/jumps to sub-menus 3 DOWN key: scroll through menus, enter numbers and letters 7 DATA MANAGEMENT key: view, delete o
Display description Navigation The measurement screen shows the turbidity, unit, calibration status, date and time, operator ID (if setup) and sample ID (if setup). Refer to Figure 5. The meter contains a Settings menu, Reading Options menu, Calibration Options menu and Calibration Verification Options menu to change various options. Use the UP and DOWN keys to highlight different options. Push the RIGHT key to select an option. There are two ways to change options: Figure 5 Single screen display 1.
Change the language Standard operation There are three options to set the language: Use a sample ID • The display language is selected when the meter is powered on for the first time. • The display language is selected when the power key is pushed and held. • The language can be changed from the Settings menu. 1. Select a language from the list. Confirm with OK. 2. Push Done when the update is complete. The sample ID tag is used to associate readings with a particular sample location.
Calibrate the turbidimeter with StablCal® Standards Note: For best accuracy use the same sample cell or four matched sample cells for all readings during calibration. Insert the sample cell in the instrument cell compartment so the diamond or orientation mark aligns with the raised orientation mark in front of the cell compartment. 1. Push the CALIBRATION key to enter the Calibration mode. Follow the instructions on the display. Note: Gently invert each standard before inserting the standard. 2.
• Remove sample cell and batteries from the instrument if the instrument is stored for an extended time period (more than a month). • Keep the sample compartment lid closed to prevent the entry of dust and dirt. Turbidity measurement procedure Note: Before a measurement is taken, always make sure that the sample is homogeneous throughout. Sample cells • Always cap the sample cell to prevent spillage of the sample into the instrument. • Always use clean sample cells in good condition.
Data management Delete data log About stored data There are two possibilities to delete stored readings in the Data Management menu: The following types of data are stored in the data log: • Reading Log: stores automatically each time a sample reading is taken (500 records). • Calibration Log: stores only when Store is selected at the end of a calibration (25 records). • Verify Cal Log: stores only after Done is selected at the end of a verification calibration (250 records).
Power management Security options Use power management to change the backlight option and the battery saving auto-shutoff option. The Security Options menu is used to protect the meter setup. The Setup Date and Time, Delete Data Log, Restoring Factory Defaults and Restore Factory Cal screens are not accessible without a password. Store the password in a safe and accessible place. If the specified password is forgotten and Security Options is turned on, the operator is locked out of the restricted menus.
Note: Set Cal Reminder Repeat in the Calibration Options menu for periodical calibration. Verify the calibration once a week. Calibration options The calibration options contain Calibration History, Calibration Curves, Cal Reminder Repeat and Restore Factory Calibration. 1. Push the CALIBRATION key and then the UPand DOWN key. Option Description Calibration History The calibration history shows a list of the times when the meter was calibrated.
StablCal® RapidCal™ calibration 1. Push the CALIBRATION key to enter the Calibration mode. Follow the instructions on the display. Note: Gently invert each standard before inserting the standard. 2. Push the UP and DOWN key to access Cal Options and then select Cal.Curve. 3. Select StablCal® RapidCal™ from the list and push OK. 4. Insert the 20 NTU StablCal Standard and close the lid. Note: The standard to be inserted is bordered. 5. Push Read. The display shows Stabilizing and then shows the result.
Verification options The Verification Options contain: Set Verification Standard, Set Acceptance Criteria and Verification Reminder. solution. Prepare a formazin standard at the same value and read the value. 1. Push the Left key (Verify Cal) and then the UP and DOWN keys. Option Description Set Verification Standard To change the verification standard use the UP and DOWN keys to enter a new standard value. Range 0.50–20.0 NTU (Default setting: 10.
Reading modes Apply silicone oil to a sample cell 1. Push the UP or DOWN key to enter the Reading Options menu. 2. Select Reading Mode to select one of the following options: Sample cells and caps must be extremely clean and free from significant scratches. Apply a thin coating of silicone oil on the outside of the sample cells to mask minor imperfections and scratches that may contribute to light scattering.
1. Fill the clean sample cell to the line with high quality water (< 0.5 NTU) and cap immediately. Let the sample cell degas for at least five minutes. 2. Wipe with lint-free cloth. Apply a thin film of silicone oil (Apply silicone oil to a sample cell). 3. Push the POWER key to turn the meter on. Place the instrument on a flat, sturdy surface. Note: Do not hold the instrument while making measurements. 7.
Maintenance Replace the battery WARNING CAUTION Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document. Explosion hazard. An expired battery can cause hydrogen gas buildup inside the instrument. Replace the battery before it expires. Do not store the instrument for long periods with a battery installed. WARNING Clean the meter The meter is designed to be maintenance-free and does not require regular cleaning for normal operation.
1 2 3 4 20 English
5 6 7 8 English 21
Troubleshooting Error/Warning Refer to the following table for common problem messages or symptoms, possible causes and corrective actions. Error/Warning Description Close lid and push Read. The lid is open or lid detection failed. Low Battery! Battery is low. ADC Failure! Hardware error causing reading to fail. Detector signal too low! Insufficient light on the 180° detector. Overrange! Turbidity too highcaused probably by calibrating with RapidCal™ only.
Error/Warning Description Solution Please disconnect the USB cable from your computer. Data storage does not respond while connected to the meter and the computer. Disconnect the USB cable from the meter and try sending data again. USB module memory full. Delete data and try again. Data storage is full. 1. Connect USB/power module to the computer. 2. Download the stored data to the computer. 3. Delete Data Log on the module. Delete Last Reading Failed! Error in the data storage.
Accessories (continued) Description Quantity Item no. StablCal 0.3 NTU Standard 100 mL 2697943 StablCal 0.5 NTU Standard 100 mL 2698042 StablCal calibration kit 100 mL 2971210 StablCal calibration kit 500 mL 2971200 1 2464105 Gelex secondary standards set Deionized water 4 vials 27217 0.
Index A auto-shutoff ............................................................................................ 13 M backlight ................................................................................................. 13 battery installation .............................................................................. 6, 19 menu navigation ....................................................................................... 8 meter components ..................................................
Index silicone oil .............................................................................................. 17 sound options ......................................................................................... 13 stored data, send ................................................................................... 12 26 V verification ..............................................................................................
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