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°C pH
HI 8417
BUFFER VALUES 20°C
°C
ON d1 NBS pH 6,88 CAL
t1 STD pH 7,02 pH
d2 NBS pH 4,00
mV
t2 STD pH 4,00 °C
CON
OFF d3 NBS pH 9,22
t3 STD pH 10,05
Instruction Manual
HI8417 - HI8519
HI8520 - HI8521
Microprocessor
Bench-top
pH Meters
These Instruments are in
http://www.hannainst.com Compliance with the CE Directives
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Dear Customer, Thank you for choosing a Hanna Instruments Product. Please read this instruction manual carefully before using the instru- ment. This manual will provide you with all the necessary information for the correct use of the instrument, as well as a precise idea of its versatility in a wide range of applications. These instruments are in compliance with CSA, UL and (EN 50081-1 and EN 50082-1) directives. TABLE OF CONTENTS PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 FUNCTIONAL DESC
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PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it to make sure that no damage has occurred during shipping. If there is any damage, notify your dealer. Note: Save all packing material until you are sure that the instru- ment functions correctly. All defective items must be returned in the original packing with the supplied accessories. GENERAL DESCRIPTION HI8417, HI8519, HI8520 and HI8521 Hanna Instruments bench- top pH meters are designed for simplicity of u
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HI8520 pH/°C meter automatically recognizes 3 standard calibration buffer values (4.01, 7.01 and 10.01 pH). HI8520 comes supplied with HI1332B plastic-body combination pH electrode, HI7669/2W temperature probe (with 1 meter/ 3.3' cable), 12VDC adapter (HI710005 or HI710006) and a dust cover. HI8521 pH/mV/°C meter automatically recognizes 3 standard cali- bration buffer values (4.01, 7.01 and 10.01 pH). HI8521 comes supplied with HI1332B plastic-body combination pH electrode, HI7669/2W temperatur
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FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8417 THE FRONT PANEL OF HI8417 °C pH HI 8417 BUFFER VALUES 20°C °C CAL ON d1 NBS pH 6,88 t1 STD pH 7,02 pH d2 pH 4,00 NBS pH 4,00 mV t2 STD °C CON OFF d3 NBS pH 9,22 pH 10,05 t3 STD ON / OFF To turn the instrument ON and OFF. (Warning: Push the OFF key before unplugging instrument. If unplugged before turned off, the meter's memory will be erased). CAL To enter the calibration mode. CON To confirm the calibration data. °C / °C To set temperature for m
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THE REAR PANEL OF HI8417 TEMPERATURE DC POWER PROBE 12V to 20V COMBINED RECORDER pH or ORP REFERENCE + RESET 0-2 VOLT ELECTRODES ELECTRODE 4 1 23 5 6 1. BNC socket for pH and ORP electrode. 2. Reference Jack socket for reference electrode. 3. RESET button. 4. Recorder output connections. 5. Temp. Probe socket (for HI7669/2W). 6. DC Power Socket (for HI710005 or HI710006). Electrode and probe connections For combination pH or ORP electrodes (with internal reference) plug the electrode's BNC to th
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instrument's power supply is disconnected before the meter is switched off. Press the RESET button and restart the entire operation. Power connection Plug the 12VDC adapter (HI710005 or HI710006) into the DC socket (#6). Note: Make sure the main line is protected by a fuse. Note: HI8417 uses a rechargeable battery to retain the pH calibra- tion data. It lasts approximately one month when fully charged. The battery is automatically charged any time the meter is plugged-in (either turned on or off
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FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8519 THE FRONT PANEL OF HI8519 pH HI 8519 OFFSET SLOPE TEMPERATURE °C OFFSET SLOPE TEMPERATURE °C Temperature Buffer Values (pH) °C °F 4.01 7.01 10.01 0 32 4.01 7.13 10.32 10 50 4.00 7.07 10.18 ON 20 68 4.00 7.03 10.06 pH mV °C 30 86 4.02 7.00 9.96 OFF 40 4.04 6.98 9.88 104 ON/OFF To switch the meter ON and OFF. pH To display pH values. mV To display mV values. °C To display temperature values set by the temper
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Electrode and probe connections For combination pH or ORP electrodes (with internal reference) plug the electrode's BNC to the socket provided (#1). For an electrode with a separate reference, connect the measuring electrode's BNC to the BNC socket (#1) and the reference electrode's jack to the socket provided (#2). Power connection Plug the 12VDC adapter (HI710005 or HI710006) into the DC socket (#3). Note: Make sure the main line is protected by a fuse. SPECIFICATIONS HI 8519 Range pH 0.00 to
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FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8520 THE FRONT PANEL OF HI8520 ERROR SYMBOLS Temperature Buffer Values (pH) ON CAL E1: pH out of range °C °F 4.01 7.01 10.01 OFF E2: °C out of range 0 32 4.01 7.13 10.32 °C E4: wrong pH 7 10 50 4.00 7.07 10.18 20 68 4.00 7.03 10.06 E5: wrong pH 4/10 CON RANGE 30 86 4.02 7.00 9.96 40 4.04 6.98 9.88 104 ON / OFF To switch instrument ON and OFF. RANGE To display pH or temperature measurements. CAL/CON CAL to enter the calibration procedure and CON to con
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off. Press the RESET button and restart the entire operation. Power connection Plug the 12VDC adapter (HI710005 or HI710006) into the socket on the back of the meter (#5). Note: Make sure the main line is protected by a fuse. Note: HI8520 uses a rechargeable battery to retain the pH calibra- tion data. It lasts approximately one month when fully charged. The battery is automatically charged any time the meter is plugged-in (either turned on or off). SPECIFICATIONS HI 8520 Range pH 0.00 to 14.00
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FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8521 THE FRONT PANEL OF HI8521 ERROR SYMBOLS Temperature Buffer Values (pH) ON CAL E1: pH out of range °C °F 4.01 7.01 10.01 OFF E2: °C out of range 0 32 4.01 7.13 10.32 °C E3: mV out of range 10 50 4.00 7.07 10.18 20 68 4.00 7.03 10.06 E4: wrong pH 7 CON RANGE 30 86 4.02 7.00 9.96 40 4.04 6.98 9.88 E5: wrong pH 4/10 104 ON / OFF To switch instrument ON and OFF. RANGE To display pH / ORP / Temperature measurements. CAL/CON CAL to enter the calibration
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instrument's power supply is disconnected before the meter is switched off. Press the RESET button and restart the entire operation. Power connection Plug the 12VDC adapter (HI710005 or HI710006) into the socket on the back of the meter (#5). Note: Make sure your main line is protected by a fuse. Note: HI8521 uses a rechargeable battery to retain the pH calibra- tion data. It lasts approximately one month when fully charged. The battery is automatically charged any time the meter is plugged-in (
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OPERATIONAL GUIDE TAKING PH MEASUREMENTS Connect the instrument to the 12VDC adapter (HI710005 or HI710006). Plug the adapter into the mains. Make sure that the instrument has been calibrated for pH before taking pH measurements (see page 18). For HI8519 only: ON • Connect the pH electrode to the meter and switch OFF the instrument on by pressing the ON/OFF key. • Immerse the electrode tip (4 cm/1½") into the sample and shake briefly. • Take the temperature of the solution with a ChecktempC or a
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4 cm (1½") • In HI8417 the temperature reading is also displayed on the left LCD. °C pH Note: the electrode should be submerged approximately 4 cm (1½") into the solution. If the temperature probe is used, it should be located as close to the pH electrode as possible. If measurements are taken in different samples successively, it is recommended that the electrode is rinsed thoroughly for better condi- tioning and to eliminate cross-contamination of the sample. For the rinsing process, it is re
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4 cm (1½") • When the temperature is set manually, ºC "°C" symbol blinks. With the tempera- ture probe connected, the "°C" symbol is displayed continuously. • Use the UP or DOWN arrow keys to °C °C manually adjust the display reading to the value of the reference ther- mometer. TAKING TEMPERATURE MEASUREMENTS (NOT FOR HI 8519) • Taking a temperature measurement is very easy. • Turn the instrument ON and press the RANGE key RANGE (for HI8520 and HI8521 only) to get into tem- perature mode. • Make
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For HI8417 and HI8521 • Connect the ORP electrode to the meter and submerge the tip (4 cm / 1½") into the sample to be tested. Note: ORP measurements are taken without temperature compensa- tion. pH pH RANGE • Press the pH/mV key (HI8417) or mV mV RANGE key (HI8521) once to enter the mV mode. • Allow a few minutes for the reading to stabilize. • The display will indicate the absolute mV mV value (positive or negative). • When values are less than ±400 mV, tenths of mV are dis- played; for values
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4 cm (1½") PH CALIBRATION IMPORTANT The instrument's pH range should be re-calibrated: • When the meter is new. • Whenever the pH electrode is replaced. • At least once a month. • After use in aggressive chemicals. • After cleaning procedure and changing the reference electrolyte. • For greatest accuracy. INITIAL PREPARATION Pour small quantities (up to 4cm / 1½" level) of pH 7.01 (HI7007 or HI8007) and pH4.01 (HI7004 or HI8004) or pH 10.01 (HI7010 or HI8010) solution into clean beakers. If HI 7
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Procedure: ON • Switch the instrument on after connecting the pH electrode and the temperature probe. • Immerse the pH electrode and the ATC probe into a neutral pH buffer solution (pH 7.01 for technical buffers, or pH 6.86 for NBS buffers). Shake briefly and wait 1-2 minutes for thermal equilibrium. CAL • Press the CAL key. The symbol "d1" will appear on the display. For calibration with technical buffers (pH 7.01), press CAL key again and "t1" will appear on the display. (Note: the "pH" symbol
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• The meter automatically recognizes the buffer value and prompts for the second at "d2" or "t2" (= pH 4.01, acid) or "d3" or "t3" (pH 9.18 and pH10.01 respectively, alkaline). CON • Press the CON key to confirm the pH value. • The display will indicate the temperature compen- sated buffer value e.g. if the temperature is at 25°C, the display will show "pH 4.01" or "10.01" or "pH 9.18", depending on the solution being used. If the temperature is at 20°C, the display will show respectively "pH 4.
