Pen type, separate electrode SOIL PH METER
Contents
1. ATING PROCEDURE 4 1 Calibrating Consideration The pH meter already calibrated by mV signal that simulated from the ideal pH ELECTRODE mV output base on 25 C environment However due to a An ideal electrode will produce 0 mV at pH 7 00 but most electrodes are slightly off b The measuring environment temperature may not near 25 C 15 to 35 If intend to keep instrument combined electrode within high accuracy it is necessary to make the following calibration procedures 4 3 4 2 Requiring Equipment for Calibration 1 Combination soil pH electrode PE O6HD included 2 Buffer solutions pH 7 00 buffer solution PH 07A included pH 4 00 buffer solution PH O4A included 4 3 Calibration procedures pH 7 calibration i 1 Connect the pH electrode plug 3 10 Fig 1 to the BNC socket 3 5 Fig 1 and place electrode into pH 7 00 buffer solution PH 07A 2 Power on the instrument by pressing the Power button 3 2 Fig 1 3 Press the Hold button 3 3 Fig 1 once the display will show the HOLD symbol Press the W button 3 3 Fig 1 once the display will show following screen in sequence screen 1 CAL flashing screen 2 Y 7 00 flash CAL screen 3 y 7 00 flashing CAL screen 4 End screen 5 return to normal screen 7 00 pH 4 calibration i 1 Rinse the electrode in distilled water Place electrode into buffer pH 4 00 solution 2 All the cal2. Pen type separate electrode SOIL PH METER Model PH 220S Your purchase of this SOIL PH METER marks a step forward for you Aa into the field of f precision measurement Although this METER is a complex and delicate instrument its durable structure will allow many years of use if proper Operating techniques are developed Please read the following instructions carefully and always keep this manual within easy reach QUALITY MANAGEMENT 005 OPERATION MANUAL TABLE OF CONTENTS EEATURES ee eg Eg Ee GP Ge Ee eg eg m N SPECIFICA TON S ee EEEE EES UJ FRONT PANEL DESCRIPTIONS eerren Bat DISpla y ien meei E N 3 2 Power button A button ee see ee ek ek nena 3 3 Hold DUTTON ss ee oe n Ge ge 3 4 Display reverse button W button ees 3 5 pH electrode BNC Socket cccescseeseeeeeeeeeees 3 6 BNC protection COVEL cccccceeceeceeeseeeeeeeeeeeeeeaes 3 7 Battery compartment COVer ee sees ek ee aes 3 8 pH electrode handle ee ee ee ek RR Ee Re EE 3 9 pH electrode Sensing head ee se ee ee ee 3 10 pH electrode BNC plug ee ese ek ee ee ee 3 11 pH electrode protection bottle eek ee ed 4 pH CALIBRATING PROCEDURE ee sees sees ee ee ee ee 4 1 Calibrating ConsideratiON ee ee ee ee ek ee 4 2 Requiring Equipment for Calibration 4 3 Calibration procedures ee see se ek ek ee ee 5 MEASURING PROCEDURE ee ee ee ee
3. attery However in spec measurement may still be made for several hours after Low Battery Indicator appears before the instruments instrument become inaccurate 2 To replace the battery rotate and remove the Battery Cover 3 7 Fig 1 take out the old batteries install new batteries DC 1 5V battery UM 4 AAA x 4 PCs 3 When install the batteries should make attention the battery polarity 4 After install the batteries reinstall the battery cover again 7 OPTIONAL ACCESSORIES SPEAR TIP pH ELECTRODE Model PE O6HD Spear tip pH electrode is ideal for penetration pH measurements into meats cheese soil and other types of measurements requiring sample penetration pH 7 00 buffer solution Model PH 07A pH 4 00 buffer solution Model PH 04A CARRYING CASE Model CA 06 Hard carrying case 280 x195 x 65 mm CARRYING CASE Model CA 05A Vinyl soft case 260 x110 x 55 mm Hard carrying case Soft carrying case Model CA 06 Model CA 05A 280 x195 x 65 mm 260 x110 x 55 mm 10 0701 PH220S
4. ee ee ee ee ee ee ee ee 6 REPLACEMENT OF BATTER YE VEG ee Se Res Oe ay T OPTIONAL AGCESSORIES se ee de ee ES ed Ge Ge nari 1 FEATURES Complete set with pen pH meter soil pH electrode pH 4 0 pH 7 0 standard buffer solution Spear Tip pH electrode included ideal for penetration pH measurement into soil meats cheese and other type of measurements requiring sample penetration The electrode features a very durable glass measuring spear packaged in a rugged virtually unbreakable epoxy body Separate soil pH electrode easy for general purpose usage and remote measurement Auto calibration for pH 4 pH 7 or pH 10 Build in reverse display button Data hold Auto power off Compact size light weight Optional carrying case Water resistance on the front panel Application Agriculture Gardening Food industrial Education School Colleges Laboratory Industrial and Quality control 2 SPECI FI CATI ONS x X XxXxX 2 1 Meter Display LCD size 20 mm x 28 mm User can reverse the display direction by push button Measurement JO to 14 pH x 0 01 pH Range Resolution J0 01 pH 0 07 pH pH5 to pH 9 0 1 pH pH4 to pH4 9 pH9 1 to pH10 0 2 pH pH1 to pH3 9 pH10 1 to pH13 APSE D After calibration Input 10712 ohms Impedance Temperature Not necessary to make adjustment Compensation Sampling Approx 0 8 second Time old Function To freeze the display reading value Calibrat
5. etration material such as cheese meats or solution then the instrument will display the pH value Electrode attached is the rough and durable penetration electrode However user should operate the electrode very carefully The electrode is the consumer accessory after the electrode is used if the damage of the Electrode Sensing Head Spear Tip Head it is without warranty After make the measurement please rinse the electrode in distilled water After calibration the Electrode sensing head 3 9 Fig 1 should insert into the Protection bottle 3 11 Fig 1 PE O6HD PH 07A PH O4A is the consumer accessory Data hold i During the measurement press the Hold button 3 3 Fig 1 once will hold the measured value amp the LCD will display a HOLD symbol Press the Hold Button once again will release the data hold function Display reverse i During the measurement press the Display reverse button 3 4 Fig 1 once will reverse the display direction for the user convenience Press the Display reverse button once again will return to the normal display Auto power off The meter is built the Auto power shut off function to save battery life If any function buttons are not pushed within 10 minutes the power will be off automatically 6 REPLACEMENT OF BATTERY 1 When the LCD display show X f It is necessary to replace the b
6. ibration procedures are same as the above pH calibration except a Change the buffer solution to pH 4 00 PH 04A b The calibration screen value will change to 7 00 instead of 4 00 Remark Except calibrate pH 7 pH 4 meter also can calibrate pH 10 The calibration procedures should start from the pH 7 at first then pH 4 or pH 10 During the calibration the circuit will sensing solution value automatically If the buffer solution value already beyond 7 1 pH 44 1 pH 10 1 pH the LCD will Show Err When the LCD show the screen 2 it allow the user to adjust another calibration value precisely for example 7 01 6 99 by pressing the A button 3 2 Fig 1 VY button 3 4 Fig 1 Rinse the electrode in distilled water before change the buffer solution Repeat above pH pH calibration procedures two times at least After calibration the Electrode sensing head 3 9 Fig 1 should insert into the Protection bottle 3 11 Fig 1 PE O6HD PH 07A PH O4A is the consumer accessory 5 MEASURI NG PROCEDURE After the meter along the pH electrode is calibrated section 4 3 the unit is ready for measuring 1 Connect the pH electrode plug 3 10 Fig 1 to the BNC socket 3 5 Fig 1 and place electrode into the measured solution 2 Power on the meter by pressing the Power button 3 2 Fig 1 3 Place the electrode into the measured soil or other type pen
7. ion Auto calibration method OH 7 pH 4 or pH 10 OH electrode BNC connector connector Temperature eae N than 80 RH Humidity Power Supply DC 1 5V battery UM 4 AAA x 4 PCs Power Approx 4 8 mA Consumption Dimension Electrode Body size 12 mm dia x 160 mm Electrode cable length approx 1000 mm Weight 220 g 0 48 LB included electrode Instruction Manual Soil pH electrode PE O6HD OH 4 0 buffer solution PH O4A pH 7 0 buffer solution PH 07A Optional Soft carrying case with sash Accessories 210 x 110 Xx 55 mm Model CA 05A Hard carrying case 280 x 195 x 65 mm Model CA 06 2 1 Soil pH Electrode included Range Temperature Structure Reference Ag AgCl Double J unction of pH Electrode Zero Potential 7 1 pH for pH Value ee ie protection bottle soaker Protection bottle on the electrode head Weight J68 g including cable amp socket Dimensions Body length 160 mm Body Dia 12 mm Cable length 1000 mm 3 FRONT PANEL DESCRI PTI ON ON 3 7 HELL 3 10 3 1 3 2 Jor 3 3 i E E 3 8 3 9 Fig 1 36 HUN sm 3 1 Display 3 2 Power button A button 3 3 Hold button 3 4 Display reverse button W button 3 5 pH electrode BNC socket 3 6 BNC protection cover 3 7 Battery compartment Cover 3 8 pH electrode handle 3 9 pH electrode sensing head 3 10 pH electrode BNC plug 3 11 pH electrode protection bottle 4 pH CALI BR
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