Pyxis PermaCheck EZ-101 User Manual
  1. Manuals
  2. Brands
  3. Pyxis Manuals
  4. Measuring Instruments
  5. PermaCheck EZ-101
  6. User manual

Pyxis PermaCheck EZ-101 User Manual

Perma-check ph meter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
User Manual
EZ-101
Perma-Check
pH Meter

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PermaCheck EZ-101 and is the answer not in the manual?

Questions and answers

Related Manuals for Pyxis PermaCheck EZ-101

Summary of Contents for Pyxis PermaCheck EZ-101

  • Page 1 User Manual EZ-101 Perma-Check pH Meter...

  • Page 2: Table Of Contents

    EZ-101 pH Meter Instruction Contents 1 Introduction ..................- 1 - 1.1 Introduction .................. - 1 - 1.2 Technical Specification ..............- 2 - 1.3 Function Introduction ..............- 3 - 2 Safety Notices ..................- 4 - 3 Terms Explanation ................- 5 - 4 Overview and Installation ..............
  • Page 3 EZ-101 pH Meter Instruction Accessories ..................- 28 - 8 Appendix ..................- 30 - Appendix 1 ..................- 30 -...

  • Page 4: Introduction

    EZ-101 pH Meter Instruction 1 Introduction 1.1 Introduction PH200E pH meter is a laboratory pH measuring instrument, which can be widely used in universities, environmental protection, medicine, food, health, geological prospecting, metallurgy, marine exploration and other fields, common acid rain detection, industrial wastewater, surface water, drinking Water, beverages, daily chemical products, textiles, etc.

  • Page 5: Technical Specification

    EZ-101 pH Meter Instruction 1.2 Technical Specification Table 1-1 Meter specifications EZ-101 Model pH level 0.01pH (-1999 ～ 1999)mV Range Minimum resolution Electronic unit indication error ±0.1%(FS) Electronic unit repeatability ≤1×10 Ａ Electronic unit input current ≥1×10 Ω Electronic unit input impedance (-2.00 ～...

  • Page 6: Function Introduction

    EZ-101 pH Meter Instruction 1.3 Function Introduction Table 1-2 Main functions Function Explanation ● Backlight Power ● Reset settings ● Power failure protection Basic function ● Anti-interference automatic recovery ● Automatic shutdown Protection IP54 ● Default balance settings Reading Auto-lock reading ●...

  • Page 7: Safety Notices

    EZ-101 pH Meter Instruction 2 Safety Notices Please read the entire contents of this manual carefully before use, and please keep this manual properly. The user MUST use the instrument following this manual to avoid damage to the user and equipment. Before using the meter, READ the following notes: ...

  • Page 8: Terms Explanation

    EZ-101 pH Meter Instruction 3 Terms Explanation  pH Slope: The amount of potential change generated by each 1 pH change, expressed in mV/pH or by 100% Theoretical Slope (PTS). pH = - log[H], where [H] means molar concentration (mol/L) of H ions.

  • Page 9: Overview And Installation

    EZ-101 pH Meter Instruction 4 Overview and Installation 4.1 Overview 1 Meter Body 2 Display 3 Power Key 4 Function selection key 5 Multifunctional electrode holder 6 Measurement electrodes Figure 4-1 Overview-Front View 7 Measurement pH electrode plug 8 Measurement temperature electrode plug 9 Temperature electrode connectors...

  • Page 10: Instrument Installation

    EZ-101 pH Meter Instruction Measurement electrode connectors Reference electrode connectors 13 Meter debug port 14 DC9V power socket 15 Electrode protection cap 16 pH electrodes Q9 short-circuit plug Figure 4-3 Electrodes and connectors 4.2 Instrument installation 4.2.1 Multifunctional electrode holder mounting Pull out the electrode holder fixing plate on the right side of the meter.

  • Page 11: Electrode Installation

    EZ-101 pH Meter Instruction 4.2.2 Electrode installation Mount the pH electrode on the electrode holder, Find the interface of temperature electrode and measurement electrode on the back of pH meter, unplug Q9 short circuit plug. Insert pH electrode’s temperature electrode and pH electrode plug into the corresponding electrode connector respectively.

  • Page 12: Instrument Operation

    EZ-101 pH Meter Instruction 5 Instrument Operation 5.1 Screen Icons The meter uses segment LCD as the display, and the overall design is as follows: the left is the main functional area, including the measurement function, calibration function, setting function, and viewing function; the upper part displays the status prompt area;...
  • Page 13 EZ-101 pH Meter Instruction Symbol Explanation Note In the auto-read mode, when the reading is stable, end the Reading is locked measurement, the result has locked. Display when user confirmation Confirm the option is required Display when automatic Automatic shutdown shutdown is enabled Delete measurement result mV result unit...

  • Page 14: Key Functions

    EZ-101 pH Meter Instruction 5.2 Key Functions Figure 5-2 Instrument keys The meter adopts tact power button, the instrument has 7 keys in total, the specific functions are as follows: Table 5-2 Key Function Explanation Explanation Note  Switch on the meter by press and release the key.

  • Page 15: Instrument Settings

    EZ-101 pH Meter Instruction Explanation Note  Switch mV and pH display in measurement state.  The value increases when the mV/pH/Up function is set.  Move while viewing functions.  Store measurement results.  The value decreases when setting the Save/Up function.

  • Page 16: Instrument Settings

    EZ-101 pH Meter Instruction hold the key for more than 3 seconds to switch off. Table 5-3 Characters displayed on the power operation interface Character display Explanation Switch On, Software Version Switch Off 【TIPS】  Before switching on each time, please check the electrode sockets on the back of the meter, and make sure that they are connected with measuring electrodes or short-circuit plugs, otherwise it may...
  • Page 17 EZ-101 pH Meter Instruction Fig. 5-3 Setting function display Table 5-4 Set function list in the measurement status Explanation Note Reading Mode Settings Flashing display Temperature Settings Flashing show °C View the data Flashing display Flashing display “APD”(Auto Power Down) Automatic shutdown settings Reset settings Flashing display “rSt”...
  • Page 18 EZ-101 pH Meter Instruction Figure 5-4 Two reading modes display 【TIPS】 In the measurement state, long press the "Meas/Del" key to switch the reading mode. 5.3.2.2 Temperature Settings The meter supports the connection of temperature electrodes, which can be automatically compensated. If the user does not connect the temperature electrode, the user needs to use a thermometer to measure the temperature of the solution.
  • Page 19 EZ-101 pH Meter Instruction 5.3.2.3 View the data The meter supports storage of measurement results, up to 50 sets are allowed to be stored. In the measurement state, press the "Cal/Setting" key to select the function of viewing stored results, the meter first displays the total number of stored results, and then displays the latest stored data, as shown in the figure, you can press the up and down key to view each stored result.

  • Page 20: Calibration

    EZ-101 pH Meter Instruction 5.3.2.4 Automatic shutdown settings The meter provides auto shutdown function. When the meter is not using and set the auto shutdown, the meter switches off automatically. There are six options: off, 300 Sec, 600 Sec, 1200 Sec, 1800 Sec, and 3600 Sec. 5.3.2.5 Reset settings When the meter is not working.
  • Page 21 EZ-101 pH Meter Instruction solutions must be prepared in advance. If only one point calibration is required, only one standard buffer solution is required. One-point calibration is suitable for the situation where the measurement accuracy is not high. At this time, the percentage slope of the electrode is taken as 100%.
  • Page 22 EZ-101 pH Meter Instruction calibration. The calibration steps are as follows (for reference): In the measurement state, press the "Cal/Enter" key to enter the electrode calibration state (the default is automatic identification mode, the word "Auto" is displayed). Wash the pH electrode repeatedly with distilled water, put it in a certain standard buffer solution (such as 7.00pH standard buffer solution), the instrument displays pH value and temperature value (such as7.00pH, 25.0°C).
  • Page 23 EZ-101 pH Meter Instruction to the measurement state. If the user only needs to calibrate 1~2 points, you can manually press the "Cancel" key to terminate the calibration. If the user uses a non-standard pH buffer solution to calibrate the electrode, the user must know the relationship between the pH value of the non-standard solution and the temperature in advance, that is, the nominal pH at a certain temperature, and then control the temperature of the constant...

  • Page 24: Measurement

    EZ-101 pH Meter Instruction 【TIPS】 Standard buffer solutions are usually obtained in two ways, users can prepare or purchase standard solutions by themselves  Customized: Please refer to appendix to prepare pH standard buffer  Purchase standard buffers: Users can also directly purchase certified standard buffers produced by professional manufacturers, very convenient.
  • Page 25 EZ-101 pH Meter Instruction solution can be normally measured The meter supports two reading modes: continuous measurement mode and balanced measurement mode. If it is a balanced reading mode, after the data is stable, the meter will automatically lock the measurement results (the lock sign will be displayed, and the measurement results will not change);...
  • Page 26 EZ-101 pH Meter Instruction 【TIPS】  To ensure accurate measurement, the sample volume in the container should be sufficient to ensure that the junction of the measuring and the reference electrode is completely immersed in the sample.  For accurate measurement, it is recommended that users calibrate measure...

  • Page 27: Maintenance And Troubleshooting

    EZ-101 pH Meter Instruction 6 Maintenance and Troubleshooting 6.1 Maintenance The correct use and maintenance of the meter can ensure the normal and reliable operation of the meter, especially the pH meter, which has a high input impedance and is easily damaged by static electricity and other electromagnetic interference;...

  • Page 28: Electrode Usage And Maintenance

    EZ-101 pH Meter Instruction  To avoid meter damage during long distance transportation, please try to use original packing. 6.2 Electrode usage and maintenance Before using the electrode, you should read the electrode manual carefully to know the type, structure and application scope of the electrode. For composite pH electrodes with plastic shells, the following points should generally be noted: ...
  • Page 29 EZ-101 pH Meter Instruction electrode according to the actual use to avoid damage to the electrode.  Repair pH Electrodes: After long-term use of the electrode, if the slope decreases slightly, the bottom end of the electrode can be immersed in 4% HF (hydrofluoric acid) for (3-5) s, wash with distilled water, and then soak in 0.1 mol/L hydrochloric acid solution to rejuvenate.

  • Page 30: Troubleshooting

    EZ-101 pH Meter Instruction 6.3 Troubleshooting Table 6-2 Common Troubleshooting Phenomenon Solutions Check whether the power adapter has voltage output or Not switched on not. Inaccurate preparation of standard pH buffer solutions Unable to calibrate or damaged electrodes. Check whether there are interfering devices around the The reading jumps detection instrument, please stay away from the back and forth...

  • Page 31: Technical Support

    EZ-101 pH Meter Instruction 7 Technical Support Accessories Please refer to the accessories table for purchasing recommendations. Table 7-1 Meter accessories Name Description E-301-QC pH three Conventional sample measurement composite electrode REX-5 Multifunctional Hold the electrodes during measurement Electrode Holder Power Adapter Input: AC 100～240V, Output: DC 9 V Table 7-2 Optional electrodes (for other models, see the official website for...
  • Page 32 EZ-101 pH Meter Instruction Model Name Electrode plug Description 962121 Suitable for low conductivity pH composite electrode (Low S7-BNC(Q9) samples with conductivity conductivity ) above 100us/cm 962241 Suitable for solid and pH Combination Electrode (Blade BNC(Q9) semi-solid piercing samples spear) 962242 Suitable for surface or droplet S7-BNC(Q9)
  • Page 33 EZ-101 pH Meter Instruction 8 Appendix Appendix 1 pH-Temperature Relationship Table of pH Standard Solutions Temperature(°C) 1.68 4.01 7.00 10.01 1.67 4.00 7.09 10.25 1.67 4.00 7.06 10.18 1.67 4.00 7.04 10.12 1.68 4.00 7.02 10.06 1.68 4.01 7.00 10.01 1.68 4.01 6.99...

Table of Contents