Page 4 - F U N C T I O N A L D E S C R I P T I O N; Automatic with 5 memorized standard
7 1) BNC electrode connector2) Temperature probe socket3) Liquid Cristal Display4) RANGE key to select pH or mV (HI 9025C only) 5) ON/OFF key to turn the meter on or off 6) CAL key to enter or exit calibration mode 7) CFM key to confirm calibration 8) Ï °C and Ð C C C C C keys for manual temperature...
Page 5 - Foodcare; key to turn the meter on or off
9 1) Battery cover2) BNC electrode connector3) Offset calibration trimmer4) Slope calibration trimmer5) Temperature setting trimmer6) Mode indicator7) Liquid Crystal Display8) ON/OFF key to turn the meter on or off 9) pH/°C SET key to select pH measurement or for manual temperature setting RANGE0.00...
Page 6 - or; INITIAL PREPARATION; O P E R A T I O N A L G U I D E
11 HI 9110 HI 9210 HI 9210N Range pH 0.00 to 14.00 pH °C — 0.0 to 70.0 C Resolution pH 0.01 pH °C — 0.1 C Accuracy pH ±0.02 pH (@20°C/68°F) °C — ±0.5 C Typical EMC pH ±0.05 pH ±0.02 pH Deviation °C — ±0.5 C Calibration Manual 2 points through trimmers Offset Calibration ±1 pH Slope Calibration From ...
Page 7 - pH MEASUREMENTS
13 °C RANGE ON/OFF °C °C or pH MEASUREMENTS To take a pH measurement remove the elec-trode protective cap and simply submerge thetip (4cm/1½") of the electrode and the tem-perature probe (wherever applicable) into thesample to be tested. Turn the instrument ON and if necessary, press RANGE until...
Page 8 - PREPARATION; CALIBRATION; ppppp H C A L I B R A T I O N
15 ORP MEASUREMENTS (HI 9023C AND HI 9025C) To enter the "mV" mode (ORP or ISE), turn the instrument ON andpress the RANGE key until the display changes to mV. To measure the mV of a solution simplysubmerge the ORP or ISE electrode tip (4cm/1½") into the sample to be tested. Allow afew m...
Page 9 - manual temperature com-
17 CFM Note: The electrode should be submergedapproximately 4 cm (1½") into thesolution. With the temperature probelocated as close to it as possible (HI HI HI HI HI 9023C 9023C 9023C 9023C 9023C). • Press the CAL key. The temperature compensated pH value will blink on the display. For example, ...
Page 10 - • Once the electrode is submerged in the
19 • Rinse the electrode with clean or distilled water first and then with pH 4.01 (or 10.01) buffer. Dip the electrode into the pH 4.01 (or 10.01) solution and stir gently. • Wait for the "pH" symbol to stop flashing. Press CFM to confirm the calibration. PROCEDURE FOR HI 9024C AND HI 9025C...
Page 11 - ” and “WRONG; pH Calibration
21 Note: The electrode should be submerged approximately 4 cm (1½") into thesolution with the temperature probelocated as close to it as possible. • Select the second buffer value on the secondary display by pressing the Ï °C or Ð CCCCC key. • When the “READY” and “CON” symbols blink on the disp...
Page 12 - and
23 (1½") into the solution. For HI 9110 and HI 9210 , place the thermometer close to the pH electrode. • Adjust the OFFSET trimmer (#3 pages 9- 10) until the LCD shows the pH value atthe buffer temperature (see page 24 for pH values at varioustemperatures). With HI 9210N , press RANGE to read th...
Page 13 - buffer; Symptoms
25 T R O U B L E S H O O T I N G G U I D E T R O U B L E S H O O T I N G G U I D E T R O U B L E S H O O T I N G G U I D E T R O U B L E S H O O T I N G G U I D E T R O U B L E S H O O T I N G G U I D E The meter is slow in re-sponding or gives faultyreadings The meter does not ac-cept the 2 n d buf...
Page 14 - CLEANING PROCEDURE
27 For refillable electrodes: If the filling solution (electrolyte) is more than 2½ cm (1") below thefill 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 a faster response, ...
Page 15 - TAKING REDOX MEASUREMENTS
29 TAKING REDOX MEASUREMENTS (HI 9023C & HI 9025C only ) HI 9023C and HI 9025C have the capability to take ORP measure- ments. An optional ORP electrode must be used to perform thesemeasurements.Oxidation-Reduction Potential (REDOX) measurements provide thequantification of the oxidizing or redu...
Page 16 - pH CALIBRATION SOLUTIONS
31 A C C E S S O R I E S A C C E S S O R I E S A C C E S S O R I E S A C C E S S O R I E S A C C E S S O R I E S pH CALIBRATION SOLUTIONS HI 70004P pH 4.01 Buffer Sachets, 20mL, 25 pcs HI 70007P pH 7.01 Buffer Sachets, 20mL, 25 pcs HI 70010P pH 10.01 Buffer Sachets, 20mL, 25 pcs HI 7004L pH 4.01 Buf...
Page 18 - amplifier, combination; OTHER ACCESSORIES; Electrode holder
35 120 mm 4.7" 12 mm 0.5" FC 210 120 mm 4.7" 12 mm 0.5" 9.5mm DIA 0.37" FC 220 FC 210B Glass-body, double junction, conic, Viscolene, non-refillable, combi-nation pH electrode. Use: milk, yogurt. FC 220B Glass-body, triple-ceramic, single junction, refillable, combination pH elec...