Related Manuals for Hanna Instruments HI 98171
Summary of Contents for Hanna Instruments HI 98171
-
Page 1: Calibration Check
Instruction Manual HI 98170 HI 98171 HI 98172 Calibration Check Waterproof pH/mV/ISE/Temperature Meters w w w. h a n n a i n s t . c o m... -
Page 2: Table Of Contents
If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authori- zation number from the Technical Service department and then send it with shipping costs prepaid. -
Page 3: Preliminary Examination
• Outside Calibration Range warning • Monitoring of the electrode aging • User-selectable “calibration time out” to remind when a new calibration is necessary Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. - Page 4 Moreover, they offer an extended temperature range from –20 ºC to 120 ºC (-4 ºF to 248 ºF), using HI 7662 interchangeable probes. These instruments can also measure with ORP electrodes, thanks to their capability to measure mV with a resolution up to 0.1 mV. HI 98172 can also measure with ISE electrodes on ppm scale.
-
Page 5: Functional Description
FUNCTIONAL DESCRIPTION HI 98171 Calibration Check pH/ORP Meter ON / OFF RANGE SETUP LIGHT CAL GLP MODE AutoEnd CLR LOG CFM 1) BNC electrode connector. 2) Temperature probe socket. 3) RS232 serial communication connector. 4) Liquid Crystal Display (LCD). 5) RANGE key, to select pH or mV (HI 98171, HI 98172), or ISE (HI 98172). SETUP key, to enter/exit SETUP mode. - Page 6 key, to manually decrease temperature or other parameters. RCL key, to enter/exit view logged data mode. 11) LOG key, to store measured data. CFM key, to confirm different values. 12) AutoEnd key, to freeze first stable reading on the LCD. CLR key, to clear calibration or logged data.
-
Page 7: Hi 98170 And Hi 98171 Specifications
HI 98170 AND HI 98171 SPECIFICATIONS – – ± ) y l ± ) y l – º – ( ) F º ) y l ) y l º ) F º ± ± ± ± ( º F º ±... -
Page 8: Hi 98172 Specifications
HI 98172 SPECIFICATIONS – ± ± – º – ( º º º ± ± ± ( ± ± ( º º ± . s . ± º ± ( º r r e ) r o f f o t e s ±... -
Page 9: Operational Guide
OPERATIONAL GUIDE INITIAL PREPARATION The instrument is supplied complete with rechargeable batteries. Remove the back cover, unwrap the batteries and install them, while paying attention to the correct polarity. Proceed with a complete charging process (see page 37). To prepare the instrument for use, connect the pH electrode and the temperature probe to the BNC and temperature sockets on the top of the instrument. - Page 10 In order to take more accurate pH measurements, make sure that the instrument is calibrated (see page 12 for details). It is recommended that the electrode is always kept wet and rinsed thoroughly with the sample to be measured before use. The pH reading is directly affected by temperature.
-
Page 11: Temperature Measurements
The relative mV reading is equal to the difference between the absolute mV input value and relative mV offset established in the relative mV calibration (see page 18). ISE MEASUREMENTS (HI 98172 only) To perform ion concentration measurements, connect an optional ISE electrode to the instrument and turn it ON. -
Page 12: Ph Calibration
pH CALIBRATION It is recommended to calibrate the instrument frequently, especially if high accuracy is required. The pH range should be recalibrated: • Whenever the pH electrode is replaced. • At least once a week. • After testing aggressive chemicals. •... - Page 13 • The “ ” tag will blink on the LCD until the reading is stable. • When the reading is stable and close to the selected buffer, “CFM” tag blinks. • Press CFM to confirm calibration. LOG CFM • The calibrated value is then displayed on the primary LCD and the secondary LCD will display the second expected buffer value, together with “CAL”...
- Page 14 • After the fourth calibration point is confirmed, immerse the pH electrode and the temperature probe approximately 4 cm (1½”) into the fifth buffer solution and stir gently. The temperature probe should be close to the pH electrode. • If necessary, press the ARROW keys to select a different buffer value. •...
- Page 15 • With one-point calibration there is no “Condition” and only the frame is shown. Calibration time out is active. • Each time a buffer is confirmed, the new calibration parameters replace the old calibration parameters of the corresponding buffer. If current confirmed buffer has no correspondence in the existing stored calibration and this is not full, the current buffer is added to the existing stored calibration.
- Page 16 CONDITION The display is provided with a 5-dot bargraph (unless the feature is disabled) which gives an indication of the electrode status after calibration as follows: Bargraph indication Condition value All 5 dots steady 81 to 100% of life 4 dots steady 61 to 80% 3 dots steady 41 to 60%...
-
Page 17: Ph Buffer Temperature Dependence
pH BUFFER TEMPERATURE DEPENDENCE The temperature has an effect on pH. The calibration buffer solutions are affected by temperature changes to a lesser degree than normal solutions. During calibration the instrument will automatically calibrate to the pH value corresponding to the measured or set temperature. º... -
Page 18: Relative Mv Calibration
RELATIVE mV CALIBRATION (HI 98171 & HI 98172) • Press CAL when the instrument is in RELATIVE mV measurement mode. The relative mV value is displayed on the primary LCD and the absolute mV value on the secondary LCD. • Use the ARROW keys if you want to change the displayed relative mV value. MODE •... -
Page 19: Ise Calibration
ISE CALIBRATION (HI 98172 only) It is recommended to calibrate the instrument frequently, especially if high accuracy is required. The ppm range should be recalibrated: • Whenever the ISE electrode is replaced. • When the ion charge is changed in SETUP menu. •... - Page 20 • The calibrated value will be displayed on the primary LCD and the second expected standard value on the secondary LCD, together with “CAL” and “Cal Point 2” tags. Note: The instrument will automatically skip the standard solution used for the first point.
- Page 21 • When the reading is stable and close to the selected standard, the “CFM” tag blinks. • Press CFM to confirm calibration. The instrument stores the calibration value and returns to normal measurement mode. LOG CFM Notes: • If the new slope is out of slope window or the mV value is out of mV range (±2000), “WRONG”...
-
Page 22: Good Laboratory Practice (Glp)
GOOD LABORATORY PRACTICE (GLP) GLP is a set of functions that allows storage and retrieval of data regarding the maintenance and status of the electrode. All data regarding pH, Rel mV or ISE calibration is stored for the user to review when necessary. - Page 23 • The pH calibration slope (the GLP slope is the average of the calibration slopes; the percentage is referred to the ideal value of 59.16 mV/pH). • The calibration buffers in calibrating order, for the last calibration. The first pH calibration buffer: The second pH calibration buffer: The third pH calibration buffer: The fourth pH calibration buffer:...
- Page 24 LAST RELATIVE mV CALIBRATION DATA Last Relative mV calibration data is stored automatically after a successful calibration. To view the Relative mV calibration data, press 2nd then GLP while in Relative mV measurement mode. The instrument will display the Relative mV GLP information. •...
-
Page 25: Setup
The fourth calibration standard: The fifth calibration standard: Notes: • The “OLd” message displayed beside the ppm value means that this standard was not used during last calibration. Press 2nd then SETUP if you want to see calibration date (or time, if old calibration was performed in the same day with current calibration). - Page 26 If there is another item to be set (e.g. minutes), press 2nd then MODE. The other item will start blinking. Press the ARROW keys to change the displayed value. Press CFM to confirm or CAL to escape. Press the ARROW keys to select the next/previous parameter. Press 2nd then SETUP to exit SETUP menu at any time.
-
Page 27: Logging
L O G G I N G This feature allows the user to log pH, Rel mV or ISE measurements, together with corresponding mV and temperature automatically. All logged data can be transferred to a PC through the RS232 port. The maximum logging space is 150 record locations (50 records on each range). - Page 28 • If RCL mode was invoked while the instrument was in ISE range: the last ppm memorized reading on the primary LCD and the record number on the secondary LCD. Press 2nd then SETUP while in RECALL mode and the instrument will toggle between the record number on the secondary LCD and the current displayed information.
-
Page 29: Autoend
A utoEnd To freeze the first stable reading on the LCD press AutoEnd while the instrument is in measurement mode. AutoEnd CLR The ”HOLD” tag will be displayed blinking on the LCD until the reading will stabilize. When the reading is stable, the “HOLD” tag stops blinking and the reading is frozen on the LCD. -
Page 30: Temperature Calibration (For Technical Personnel Only)
TEMPERATURE CALIBRATION (for technical personnel only) All the instruments are factory calibrated for temperature. Hanna’s temperature probes are interchangeable and no temperature calibration is needed when they are replaced. If the temperature measurements are inaccurate, temperature recalibration should be performed. For an accurate recalibration, contact your dealer or the nearest Hanna Customer Service Center, or follow the instructions below. -
Page 31: Mv Calibration (For Technical Personnel Only)
Note: If the reading is not close to the selected calibration point, “WRONG” tag will blink. Change the temperature probe and restart calibration. mV CALIBRATION (for technical personnel only) All the instruments are factory calibrated for mV. Hanna’s ORP electrodes are interchangeable and no mV calibration is needed when they are replaced. -
Page 32: Pc Interface
Notes: • Other cables than HI 920011 may use a different configuration. In this case, communication between instrument and PC may not be possible. • If you are not using Hanna Instruments HI 92000 software, please see the following instructions. - Page 33 CHR xx Change the instrument range according with the parameter value (xx): • xx=01 pH range/0.01 resolution • xx=02 pH range/0.1 resolution (HI 98170, HI 98171) • xx=03 mV range • xx=04 Relative mV range • xx=05 ISE range (HI 98172) The instrument will answer for these commands with: <STX>...
- Page 34 • 0x10 - temperature probe is connected • 0x01 - new GLP data available • 0x02 - new SETUP parameter • Reading status (2 chars): R - in range, O - over range, U - under range. First character corresponds to the appropriate range reading.
- Page 35 • the calibration time, yymmddhhmmss (12 chars). • ISE calibration data (if available), which contains: • the number of calibrated standards (1 char) • the ion charge, with sign (2 chars) • the calibration slope, with sign and decimal point (7 chars) •...
- Page 36 LODIALL Requests all ISE Log on demand (HI 98172). The answer string for each record contains: • The logged mode (2 chars): • 01 - pH range (0.01 resolution) • 02 - pH range (0.1 resolution) • 03 - mV range •...
-
Page 37: Batteries Recharging/Replacement
BATTERIES RECHARGING/REPLACEMENT It is recommended to recharge the rechargeable batteries as soon as you finish your work with the instrument or as soon as the battery indicator does not show full scale. If the batteries become weak, the display will flash the battery symbol to advise the user that approx. - Page 38 • The complete charging process takes about 30 hours. Notes: • As the charging process is performed at low current, the instru- ment can be left on the recharger more than 30 hours, without damaging the rechargeable batteries. • It is recommended to turn off the instrument while recharging the batteries.
-
Page 39: Lcd Message Guide
LCD MESSAGE GUIDE TAGS & SYMBOLS temperature mode tags compensation mode instability indicator pH, mV, Rel mV or ppm measurement battery symbol calibration calibration messages messages condition temperature reading bargraph or pH buffer value second function enabled arrow keys custom buffers active active calibration messages... -
Page 40: Temperature Correlation For Ph Sensitive Glass
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS The resistance of glass electrodes partially depends on the temperature. The lower the temperature, the higher the resistance. It takes more time for the reading to stabilize if the resistance is higher. In addition, the response time will suffer to a greater degree at temperatures below 25 ºC (77 ºF). -
Page 41: Electrode Conditioning & Maintenance
ELECTRODE CONDITIONING & MAINTENANCE Not present in gel electrodes. PREPARATION PROCEDURE Remove the electrode protective cap. DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT. This is normal with electrodes and they will disappear when rinsed with water. During transport tiny bubbles of air may have formed inside the glass bulb. The electrode cannot function properly under these conditions. - Page 42 For refillable electrodes: If the filling solution (electrolyte) is more than 2½ cm (1”) below the fill hole, add HI 7082 or HI 8082 3.5M KCl Electrolyte Solution for double junction or HI 7071 or HI 8071 3.5M KCl+AgCl Electrolyte Solution for single junction electrodes. For faster response, unscrew the fill hole screw during measurements.
- Page 43 pH CLEANING PROCEDURE • General Soak in Hanna HI 7061 or HI 8061 General Cleaning Solution for approximately ½ hour. • Protein Soak in Hanna HI 7073 or HI 8073 Protein Cleaning Solution for 15 minutes. • Inorganic Soak in Hanna HI 7074 Inorganic Cleaning Solution for 15 minutes.
-
Page 44: Troubleshooting Guide
TROUBLESHOOTING GUIDE / e s t c e . t f i t u l r o f l o f . e r l l i f l i f l i f l l u l a r t c e t u l r o f... -
Page 45: Accessories
ACCESSORIES pH CALIBRATION SOLUTIONS HI 50004-01 pH 4.01 Buffer Solution, 20 mL sachet, 10 pcs HI 50004-02 pH 7.01 Buffer Solution, 20 mL sachet, 25 pcs HI 50007-01 pH 10.01 Buffer Solution, 20 mL sachet, 10 pcs HI 50007-02 pH 4.01 Buffer Solution, 20 mL sachet, 25 pcs HI 50010-01 pH 7.01 Buffer Solution, 20 mL sachet, 10 pcs HI 50010-02 pH 10.01 Buffer Solution, 20 mL sachet, 25 pcs HI 5016... - Page 46 HI 8082 3.5M KCl Electrolyte in FDA approved bottle, 4x30 mL, for double junction electrodes HI 8093 1M KCl+AgCl Electrolyte in FDA approved bottle, 4x30 mL ORP PRETREATMENT SOLUTIONS HI 7091L Reducing Pretreatment Solution, 500 mL bottle HI 7092L Oxidizing Pretreatment Solution, 500 mL bottle ORP SOLUTIONS HI 7020L Test Solution 200-275 mV, 500 mL bottle...
- Page 47 HI 1131B Glass-body, single junction, refillable, combination pH electrode. Use: general purpose. 9.5mm DIA 12 mm 0.37" 0.5" HI 1131 120 mm 4.7" "S" VERSION HI 1330B Glass-body, semimicro, single junction, refillable, combination pH electrode. Use: laboratory, vials. 5mm DIA 0.2"...
- Page 48 HI 1332B ® Plastic-body (PEI ), double junction, refillable, combination pH electrode. Use: general purpose. 12 mm 0.5" HI 1332 120 mm "S" VERSION 4.7" FC 100B ® Plastic-body (PVDF ), double junction, refillable, combination pH electrode. Use: general purpose for food industry. 12 mm 0.5"...
- Page 49 FC 911B ® Plastic-body (PVDF ), double junction, refillable with built-in amplifier, combination pH electrode. Use: very high humidity. 12 mm 0.5" FC 911 110 mm 4.3" HI 1413B Glass-body, single junction, flat tip, Viscolene, non-refillable, combination pH electrode. Use: surface measurement. 12 mm 0.5"...
- Page 50 EXTENSION CABLE FOR SCREW-TYPE ELECTRODES (SCREW TO BNC ADAPTER) HI 7855/1 Extension cable 1 m (3.3') long HI 7855/3 Extension cable 3 m (9.9') long HI 7855 SERIES CABLE CONNECTORS CONNECTOR AND 3.0 mm (0.12") CABLE WITH BNC CONNECT TO THE CONNECT TO BNC SOCKET SCREW TYPE...
-
Page 51: Recommendations For Users
To avoid electrical shock, do not use these instruments when voltages at the measurement surface exceed 24 Vac or 60 Vdc. To avoid damage or burns, do not perform any measurement in microwave ovens. Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. - Page 52 SALES AND TECHNICAL SERVICE CONTACTS Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel. & Fax (02) 2758.683 Germany: Tel. (07851) 9129-0 • Fax (07851) 9129-99 Greece: Tel. (210) 823.5192 • Fax (210) 884.0210 Indonesia: Tel.