AZ 8601A0-Meter Hand Held pH mV Meter Instruction Manual

: June 26, 2024
: AZ

Table of Contents

AZ 8601A0-Meter Hand Held pH mV Meter
INTRODUCTION
MATERIAL SUPPLIED
DISPLAY
CONTROLS AND INDICATORS
PH PROBE
AUTO POWER OFF (SLEEP FUNCTION)
MODE OPTIONS
MAINTENANCE
TROUBLESHOOTING
REPLACING THE BATTERY
OPERATING CONDITIONS
SPECIFICATION
OPTIONAL ACCESSORY
WARRANTY
RETURN AUTHORIZATION
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AZ 8601A0-Meter Hand Held pH mV Meter

INTRODUCTION

Thank you for purchasing this pH meter. This pH meter is designed with pH/mV & temp. dual display, cal. automatic buffer recognition, automatic temp. compensation, and record features. The meter will display all LCD segments when it is first turned on for approx. 3 seconds. Though you might have seen DATALOGGER, Y/M/D, mg/l, mS, ppm.. these are not available for model 8601. For pH logger or other water quality-related products, please contact the store you purchased 8601 for more information.

MATERIAL SUPPLIED

The full set contains:

The meter x1
The pH probe x 1
Manual, 9V battery, Calibration buffer 4,7,10, Hard carry case

DISPLAY

The primary display shows the measured pH or mV reading.
The secondary display shows the temperature of the reading.
Unit of pH or mV is displayed in the right top of the screen. Unless the sensor probe is plugged into the meter, those readings keep changing in the screen are not referable.
Unit of C or F and ATC are displayed at the bottom in the middle of the screen.
“ATC” will not appear on LCD with the temperature sensor is unplugged.

CONTROLS AND INDICATORS

Primary Data Screen displays pH or mV reading, and calibration value.
-Minus mV display
MAX MIN pH recorded.
REC starts recording mode and displays max./min. pH recorded.
The secondary Data Screen displays temperature readings in degrees C or degree F.
DC power in Jack.
RS232 output port.
H/M/S 88:88:88 displays data for Hour/ Minute/Second.
ºC/ ºF Toggles display data from ºC to ºF or ºF to ºC.
BAT battery low indication.
pH/mV Toggles display data from pH to mV or mV to pH.
Temperature sensor probe port.
pH. Electrode with BNC connector.

PH PROBE

It is important to keep the pH probe wet when the meter is in storage. The probe is well protected by a plastic bottle with a solution in it. Please follow up below procedures when you want to use or store the probe.

Step1
Rotate the bottle to remove the bottle away from the probe.

Step2
Push down the cover and remove it away from the probe.

After using, please put back the cover on to probe, plug the probe into the bottle, and then rotate the bottle to make the bottle sealed well with the cover.

AUTO POWER OFF (SLEEP FUNCTION)

This instrument will shut off automatically in approx. 20 minutes for every power on. For recording or operating over longer periods, you can disable the sleep mode by pressing and simultaneously before powering on. An “n” will appear in the middle of the screen at which time you can release the button. (See Fig. A) The disabled sleep mode will be invalid after the power is off.

MODE OPTIONS

Delete and replace with programmableuser selectable startup mode. The display will default to the modelast used. For your convenience, themeter defaults to the setting used during the last operation. The following table lists the modes of operation that can be invoked by pressing the button indicated.

Turns instrument on (Default setting) and off. (See Fig. B)
REC Press momentarily and the relative clock starts in the lower right screen.
When in REC mode, (REC displays in the middle left of the LCD, Fig. C) pH/mV and CAL function keys are locked out. In REC mode, press REC key to display MAX (Fig. D) and MIN (Fig. E) and back to the current pH in cycle. Press and hold REC for 3 sec.to turn off the record function and revert to the normal mode.
Press momentarily to enter the Calibration mode. (Fig. F)
Press momentarily to toggle display data from pH to mV or from mV to pH(Fig. G). Or press momentarily to increase the figure when calibration is performed.
Press momentarily and the unit toggles between ºC and ºF temperature(Fig. H); The unit mode is indicated in the middle bottom area. Or press momentarily to escape current calibration to the next point.
Press momentarily and the backlight illuminates for approx. 30 seconds then turns off automatically. Or press momentarily to decrease the figure when calibration is performed.

AUTOMATIC TEMPERATURE COMPENSATION (ATC)

The meter is recommended to use AZ86P3 three in one epoxy combination probe with a temperature sensor probe for the automatic temperature compensation (ATC), the meter is capable of taking measurements with automatic or manual temperature compensation. Ensure the AZ86P3 probe is plugged into the meter for ATC, otherwise, use AZ86P2 Two in-one probe and an additional temperature probe, the probe must be submersed in the liquid you are measuring.

CALIBRATION

Calibration is necessary and should be done regularly.

Power on the meter.
Press button to enter pH calibration mode, you will first see ” 4.00 pH” on the LCD readout.
If the buffer is incorrectly inserted or the probe is damaged, “Err” will appear on the bottom-right corner. (Fig. I)
Press pH/mV button to increase(Fig. J) Or press to decrease (Fig.K) the displayed value to meet your calibration buffer. The adjustable range for 4. 00 pH calibration point figures from 3.50 to 4.50. (Fig. J, K)
Ensure the measured pH value to stabilize in the bottom-right corner, it means the meter is now calibrated to the current buffer, the 4.0pH calibration point is now completed. (Remark: The value shown beside CAL is a reference value of mV ). The correct mV value is the digits you see from the right bottom corner but with a decimal point after 3rd digit,i.e. before 4th digit. For example, if you see 1234 after CA, the mV value should be 123.4.
Press to save the calibration, ” SA” will appear on the LCD(Fig. L). If you are performing multipoint calibration, press to go to the next pH 7.0 calibration procedure.
Rinse the probe with de-ionized water or a rinse solution, and place it in the next pH buffer. Follow the procedures as pH 4.0 for additional pH 7.0 calibration, the range for 7.0 pH calibration point figures from 6.50 to 7.50.
When calibration is complete, save the calibration by pressing , otherwise, escape by pressing to additional calibration (pH 10). (Fig. M)
Follow the same procedure as pH 4.0 and pH 7.0 for pH 10 calibration point. The range for pH 10.0 calibration point figures from 9.50 to 10.50.(Fig. N)
After saving the calibration of the last pH 10.0 point by pressing button, you will see an “END” appear on the LCD, it means the calibration has been completely finished. (Fig. O)

NOTE:
The meter can be manually set up with the temperature value to ensure an accurate pH measurement. This function is used when your pH electrode is ATC feature-exclusive. Please follow up below steps.

Press CAL button to start the 4.00pH calibration point, for setting up the temperature value, press and hold button 2 seconds, “St” will display above the default 25 C.(See Fig.I-1)To increase the temperature value by press the button , or press button to decrease the temperature value. The temperature range is -5 C~80 C, press button to save the temperature value.
Easy to measure the pH value with 2 in one electrode (86P2AZ), or any compatible pH electrode without temperature compensation, now you will see the temperature setting value replaced by preset temperature.

MAINTENANCE

Please always keep the pH glass bulb wet by using the plastic bottle to protect and store our electrode, you can also store it in a pH 4.0 buffer with 1/100 part of saturated KCL. Never use distilled water for storage.
Always rinse the pH electrode and reference junction in de-ionized water before the next use.
Never touch or rub the glass bulb for lasting pH electrode life.
This meter is designed with cloth junction. To prolong the life of the electrodes, it is recommended to clean them monthly by immersing them in the cleaning solution for half an hour. Afterward, rinse it with tap water and re-calibrate the meter.
The other way to prolong the life of the electrodes is to extend the cloth junction and cut the dirt portion.
The extendable cloth reference junction is used to eliminate the reading errors from clogged junctions. Follow up below steps to expose the new unused portions.

Step1
Using tweezers to pull out the cloth junction and expose the new unused portion.

Step2
Cut the clogged cloth and expose the new portion.

TROUBLESHOOTING

Power on but no display. Check the battery is in place and making good contact or correct polarity, replace a new battery, or attach an optional AC adaptor for the weak battery.
Unstable reading. Clean the probe and recalibrate or make sure the sample entirely covers the probe sensor, or replace a new probe and re-calibrate if you find a broken probe.
Slow response. Clean the probe by immersing the electrode in tap water for 10-15 minutes, then thoroughly rinse with distilled water or use a general-purpose electrode cleaner. You could also follow up on the maintenance steps of cloth junction renew in page 10 to improve the response time.
CAL: Err. Calibration error. Replace the wrong buffer with the correct one or input the correct buffer value. If the above is not working, the probe might be damaged or broken, replace a new one and re-calibrate.
BAT indication. Replace with a new battery. (Fig. P)
E.1. Out of pH range, to acid (<0pH). (Fig. Q)
E.2. Out of pH range, to alkali (>14 pH). Plug in the pH electrode and temperature sensor probe (if any). (Fig. R)

REPLACING THE BATTERY

Replace your 9-volt battery when:

The BAT icon appears on the right of the screen.
The meter will not power on.
The use of the back-light causes the BAT icon to appear.

Even if the battery was recently replaced, check its voltage level if you get no response from your instrument.

To replace the battery:

Remove the pH electrode and temperature sensor of the instrument.
Lay the instrument face-down on a clean, flat surface.
Remove the battery with a screwdriver observe indicated polarity and close the cover after replacing with a new battery.

Remove batteries from instruments that you do not plan to use for a month or more. Do not leave the battery in the instrument.

OPERATING CONDITIONS

Input Impedance = 10 ohms
Operating temperature 0º ~º50 C (32~ 122 ºF)
Operating Humidity Max. 80% RH Calibration buffer solution suggested:
- USA buffers (pH 1.68, 4.01, 7.00, 10.01,12.45)
- NIST buffers (pH 1.68, 4.01, 6.86, 9.18,12.45)
- DIN buffers (pH 1.09, 3.06, 4.65, 6.79, 9.23, 12.75)
Power: One 9.0 volt battery

SPECIFICATION

| pH| mV
---|---|---
Range| 0.00 ~ 14.00| -499 ~ +499
Resolution| 0.01pH| 0.1mV ( 0.1~195)

1 mV ( 190~499)

Accuracy| 0.02pH| 0.2 mV 2 mV
Dimension| 72 x 182 x 30 mm (meter)
Unit Weight| Approx. 220 grams (with battery)
Temperature compensation from -5 to 80 o C, Accuracy: 0.3 o C
Format| Baud Rate: 2400 bit/sec Data Bit: 8, Stop Bit: 1
: P xx.xx : t xxx.xc ; P xx.xx : t xxx.xF

: or m xxx.x mV : t xxx.xc ; m xxx.x mV : t xxx.xF or m xxxx mV : t xxx.xc; m xxxx mV : t xxx.xF

: or m : t___ ( w / o probe)

p : t___ ( w / o probe)

OPTIONAL ACCESSORY

AZ86P3 Three-in-one Epoxy combination pH electrode with ATC, 40″ ( 102cm) cable, and protection bottle (with solution) included.
AZ86P2 Two-in-one pH electrode without ATC.
RS232 software CD with D-sub connector
Standard Buffer Solution.
DC Adaptor

RS232 OUTPUT

The meter can link with a personal computer to capture online data, display pH/mV or pH ºC /ºF records with real-time output, you can retrieve files, save the data for operating data analysis, record statistics, multi-files display on the screen,….versatile functions for your choice. Connection procedures:

Plug the optional accessory RS232 cable onto the DC jack port ( at the right side of the meter)
Insert the D-sub 9P type connector onto the computer’s Com.1 or 2 port.
Start to set up RS232 software by running the software CD.
When installing the RS232 software, please follow the operation manual procedure in the software package.

WARRANTY

The meter is warranted to be free from defects in material and workmanship for one year from the date of purchase. This warranty covers normal operation and does not cover battery , misuse, abuse, alteration, tampering, neglect, improper maintenance, or damage resulting from leaking batteries. Proof of purchase is required for warranty repairs. The warranty is void if the meter has been opened.

RETURN AUTHORIZATION

Authorization must be obtained from the supplier before returning items for any reason. When requiring an RA (Return Authorization), please include data regarding the defective reason, the meters are to be returned along with good packing to prevent any damage in shipment and insured against possible damage or loss.

Accuracy, the Zenith of Measuring / Testing Instruments !