az-instrument 8552 Operation Manual
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az-instrument 8552 Operation Manual

Pen type orp meter
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OPERATION MANUAL
PEN TYPE
ORP METER
Model:
8552, ORP Pen

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Summary of Contents for az-instrument 8552

  • Page 1 OPERATION MANUAL PEN TYPE ORP METER Model: 8552, ORP Pen...

  • Page 2: Material Supplied

    INTRODUCTION Congratulations on your purchase of this pen type ORP meter. Please read the manual completely before using this meter. Filing and keeping the manual for future reference. Recommended to soak the electrode for at least 30 min. before using to clear up the lazy effect or to make the ORP electrode wet .
  • Page 3 To install the batteries: 1. Turn off the meter. Loose the battery cover in counter- clockwise direction. (DON'T discard the black washer!) 3. Replace the old batteries with four new button cells LR44. 4. Make sure the batteries are in place and the polarity is correct.

  • Page 4: Lcd Display

    LCD DISPLAY 8552 -The main display shows the measured ORP reading. -Hold=Data hold KEYPAD 8552 OPERATION 1. Remove the probe cover from meter to expose the electrode out. It is n ormal if you find white crystals are present on the c ap or electrode...
  • Page 5 Electrode Remove the cover from the bottom of meter to expose the electrode. 2. Dip the electrode into the test solution. Press " " to power on the meter and tir it to get a stable reading. 8552...

  • Page 6: Auto Power Off

    " to freeze current readings. The text "Hold" will appear on the LCD . Press " " again to release the hold mode. 8552 5. Turn off the meter by pressing " " button. 6.Once finishing the measurement, clean the electrode, put back the cap, store the meter under the 0~50 C.

  • Page 7: Maintenance

    MAINTENANCE Preparation: Before using, remove the cover , then soak electrode into distilled water and rinse, and then take out and make dry. Now the electrode is ready for use. NOTE: Do not rub sensing element forcibly Test the electrode: t electrode in buffer solution of pH 7.00 with saturated quinhydrone.

  • Page 8: Troubleshooting

    ORP electrode cleaning: If sensing element got contaminated, it will result in slow response and inaccu- rate reading. Clean it as following: If contamination is a mineral matter, put sensing element in HCL solution 0.1N for 10 minutes and then rinse it with distilled water.

  • Page 9: Warranty

    SPECIFICATION 8552 SPECIFICATIONS Accuracy + ● Auto Power Off -999 mV ~ +999mV Measurement range Resolution ● Hold Data ● Waterproof (IP65) 165mm(L)x35mm(W)x32mm(T) Size Operating Temp.: 0 ~60 C (32~140 F) Operating Humidity: 0~80% RH Battery Life: >200 hrs continuous use...
  • Page 10 Accuracy, the Zenith of Measuring / Testing Instruments ! Hygrometer/Psychrometer Thermometer Anemometer Sound Level Meter Air Flow meter Infrared Thermometer K type Thermometer K.J.T. type Thermometer K.J.T.R.S.E. type Thermometer pH Meter Conductivity Meter T.D.S. Meter D.O. Meter Saccharimeter Manometer Tacho Meter Lux / Light Meter Moisture Meter Data logger...

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