Catalog excerpts
INSTRUCTION MANUAL
Open the catalog to page 1Dear Customer, Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for correct use of the instrument, as well as a precise idea of its versatility. If you need additional technical information, do not hesitate to e‑mail us at tech@hannainst.com or view our worldwide contact list at www.hannainst.com. This instruction manual has been written for the following: PCA340 – Chlorine, pH, temperature analyzer with 2 analog outputs. PCA330 – Chlorine, pH,...
Open the catalog to page 2PRELIMINARY EXAMINATION Remove the analyzer from the packing material and examine it carefully to make sure that no damage has occurred during shipping. If there is any noticeable damage, contact your local Hanna Instruments Office immediately. Each analyzer is supplied complete with: • 2 pcs. reagent bottles (1 pc. indicator and 1 pc. buffer solution) • 2 pcs. reagent bottle caps • 5 pcs. DPD compound powder • tubing • Instruction Manual Note: Save all packing materials until you are sure that the instrument functions correctly. Any damaged or defective items must be returned in their...
Open the catalog to page 7GENERAL DESCRIPTION The Hanna Instruments PCA310, PCA320, PCA330 and PCA340 series of chlorine, pH, ORP and temperature analyzers are microprocessor controlled, process analyzers which continuously monitor a sample stream for chlorine content, pH, ORP and temperature values. The PCA310 - PCA340 monitor the free chlorine or total chlorine in the 0.00 to 5.00 mg/L range depending on the factory settings and used reagents. In the DPD Colorimetric method, N, N-Diethyl-p-phenylenediamine indicator and a buffer are mixed with the sample. The resulting chemical reaction causes a magenta color to...
Open the catalog to page 8Each chlorine alarm can be enabled or disabled. Three pH level setpoints can be adjusted by the operator: a dosing setpoint and two alarm setpoints. The pH control mode is user selectable: on/off or proportional dosing. The proportional dosing factor (1/∆) is user selectable with a delta between pH 0.1 and 2.0 . The on/off dosing hysteresis is user selectable between pH 0.05 and 2.00. pH dosing system controls a SPST relay. GENERAL DESCRIPTION Four chlorine level setpoints can be adjusted by the operator: a proportional dosing setpoint, two alarm setpoints and a minimum level for dosing....
Open the catalog to page 9MECHANICAL DIMENSIONS Time is displayed on the main panel and a time related warning system for “Old calibration”, “Reagent expired” and “SIM expired” is available. The language for user interface can be easily changed without restarting the analyzer.
Open the catalog to page 101. Alarms, dosing, system error LED’s 2. Character Display 3. Cable glands 4. Keypad 5. Peristaltic Pump 6. Sample Tubing 7. Access Point to Cell 8. Measuring Cell 9. Drain Tube 10. Output Port 11. Drain Port Valve 12. Drain Port of Measuring Cell FUNCTIONAL DESCRIPTION WARNING IF ANY CONDENSED HUMIDITY IS FOUND INSIDE THE CASE PLEASE CONTACT YOUR VENDOR OR HANNA CUSTOMER SERVICE. 13. Pressure Regulator Output Port 14. Incoming Pressure Regulator 15. Buffer Bottle 16. Indicator Bottle 17. Sample Inlet Port 18. Electrodes Holder 19. pH Electrode (not included) 20. Sample Output Port 21....
Open the catalog to page 11DISPLAY, LEDS AND KEYPAD ALARM DOSING CHLORINE DOSING ACID/ALK. SYSTEM ERROR Chlorine/pH/ORP Analyzer DISPLAY The display contains 4 lines with 20 characters on one line. The information and error messages are clearly displayed in plain language, without error codes. The display has back light for better visibility. The analyzer is in main panels mode when displays a panel that contains the measured values. Several main panels could be selected by pressing the up and down arrow keys. The PCA310 do not have the main mode for the display. 3 1 - measured values 2 - controller status 3 -...
Open the catalog to page 121 - measured value (chlorine, pH, ORP or temperature) 2 - measurement units (mg/L, pH, mV, °C or °F) 3 - current time in format HH:MM 4 - warnings, alarms and errors, displayed one at a time 5 - secondary information. DISPLAY, LEDS AND KEYPAD LEDs i DOSING ' CHLORINE ! SYSTEM ERROR Three or four LEDs are present on the front panel: ALARM LED (red) , signals the presence of at least one alarm and the closing of the Alarm relay. When the alarm is present, the LED blinks. When the analyzer is in MANUAL mode, the LED is on but not blinking. DOSING CHLORINE LED (green), signals the closing of...
Open the catalog to page 13The keypad has 8 keys with the following signification: UP and DOWN ARROWS • select the main display appearance, • select the menu, • select an item from a list, • edit values. LEFT and RIGHT ARROWS • select an error message, • select an item to edit, • select the current digit for editing. MENU MENU enter in menu mode. CFM CFM confirm the selected menu and edited values. SET SET starts editing the selected item. ESC ESC • return to the previous menu, • exit from operation without saving.
Open the catalog to page 14CHLORINE MEASUREMENT Referring to the drawing on page 11 and the Fluidic Diagram on page 18, the Sample Line is connected to the instrument at the Sample Port (#17); an internal Regulator (#14) reduces the inlet pressure from a maximum of 4 bar (57.2 psi) down to 1 bar (14.3 psi); from the Regulator a nylon tube is connected to the input of the Electrovalve (#21). The output of the valve goes to the Drain Port (#11) and then to the Measuring Cell (#8). An optional Filter can be installed to the sample port if the stream is excessively turbid. The sample coming from the line normally flows...
Open the catalog to page 17OPERATING DESCRIPTION After a delay for the color development, a series of measurements (with LED on and off) are taken (sample level) to determine an average chlorine concentration measurement. The reacted sample signal is then measured and displayed. This sequence is repeated every 3 to 90 minutes (user-selectable). METHOD OF ANALYSIS Free available chlorine oxidizes the DPD indicator reagent at a pH between 5.5 and 6.0 to form a magenta-colored compound. The intensity of the resulting color is proportional to the concentration of chlorine in the sample. The purpose of the buffer solution...
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