SOEKS Nitrate Tester Instruction Manual
Contents
1. 40 60 25 C 90 5 40 80 252. 0 C 2 2 42 Warranty coupon stub 20 Coupon received date Warranty coupon SOEKS NITRAT TESTER SOEKS serial number Sold by the retailing orga
3. CONTENTS Warranty coupon 23 Purpose Base kit Principle of nitrat tester 26 lan 28 PRECAUTIONS 29 Appearance of Device 30 Controls 30 Power 1 Sereen Indicator 32 Main ola foina 35 Language 35 35 Vision aD Power 36 Power control of the device Beginning to Use the Device 38 Norms of maximum nitrate concentration limit 40 Nitrat tester Soeks Purpose Nitrat tester SOEKS is designed for express analysis of fresh fruit vegetables and meat for nitrates Nitrate content analysis is based on conductivity of alternating high frequency current the measured food items Base kit Nitrat tester SOEKS has the following items included in the base kit Nitrat tester Soeks Passport 2 batteries AAA size Rigid paperboard box Battery charger power cord rechargeable batteries and other accessories and supplies are purchased separately The manufacturer reserves the right to add new features to the device Please follow new code modifications on the official website www soeks ru The device s code can be modified only in manufacturer s service centers 25 Principle of nitrat tester operation Nitrat tester Soeks is intended for a primary express assessment of the nitrate ion content of fresh fr
4. 7 Stick the probe info the tested foodstuff hold the device perpendicularly to it in direction to the center of it Do not move or the press probe 38 The depth of sticking probe should be at least 10 mm The pointed cone of the probe should not go out of the foodstuff be in the seed zone or hollow spaces It should be sticked to the most juicy part of the foodstaff Notice that you should not use holes that were made by probe or other device iteratively 8 Press OK button The measurement process will begin 9 Wait for the results will be displayed During the measurement you will see the following message Wait please Measurement in process Please do not move the probe during the measurement 10 Chek the results 11 Pull the probe out of the foodstuff 12 Push the BACK button to go back to the menu Device measures nitrate concentration per 1 kilogram of the product Harmless day dose of nitrates is 200 300 mg per one grownup person Therefore if you eat 2 kiligrams of a watermelon with 350 mg kg nitrate concentration you risk to pick up a nitrate poisoning Remember that normal concentration for a watermelon is 60 mg kg Some food stuffs as beet radish dill cabbage lettuce have high norm of nitrates Normal concen tration for beet is 1400 mg kg If you eat such foodstuffs in large amounts please keep in mind maximum harmless doses that were pointed earlier Example You measured beet and nitrat te
5. is up to 10 hours with default settings and two batteries of capacity 1350mAh 28 Precautions Before using the product please read carefully the safety measures below and strictly observe them when using the product Violation of these rules may cause malfunction or cause total failure of the product The manufacturer s guarantee shall be void if the safety measures stated below are violated Protect the product from shock and other mechanical impacts that can damage it Do not use the product in conditions of high humidity under or in contact with water the product is not waterproof Do not leave the product in places with intensive sun light or high tempera tures for a long time this can cause electrolyte leakage from power elements failure of the product and injuries Do not leave the product for a long time near devices that generate strong magnetic fields such as magnets or electric motors and where strong electrical magnetic signals are generated such as transmitter towers Do not perform measurements close to cell phones and microwaves this may affect the instrument s readings Do not disassemble and do not try to repair the device on your own Do not connect the device to a PC or socket while it has regular batteries installed e Strictly observe polarity when you install power elements otherwise the device may overheat and fail 29 Appearance of Device Color TF
6. T display Button UP Button OK Button ENTER Button BACK mini USB Button DOWN Measuring probe Protective cap Controls Button OK turn the device on off confirmation in nitrat tester mode ENTER confirm selection BACK back to previous menu UP moving up in the menu DOWN moving up in the menu Button Button Button Button 30 At back side of device there is cover of the battery section AAA type batteries or accumulators NiMH can be used to power the device The bottom of the battery section shows the manufacturer s trademark SOEKS and board model The front side of the device has a mini USB port that can be used to recharge batteries from a computer via a USB mini USB cable or from the power mains If connected to a PC or electric mains the device can work without power elements How to install power elements Strictly observe polarity when you install power elements otherwise the device may fail The type of power elements installed must match the parameters preset in the Power menu item page 36 When the device is turned off you can leave the power elements installed the batteries and accumulators are not spent if the device is in standby mode If you expect not to use the device for a long time it is recommended to remove the power elements after the device is turned off 31 Sc
7. a and CIS countries one may expect with a high degree of probability that excessive electric conductivity is due to the presence of nitrate ions Nitrat tester Soeks is calibrated by nitrate ion content Their concentration in fruit and vegetables is determined using an independent test method potentiometric determination of nitrate ions per GOST 29270 95 Fruit and Vegetable Processing Products Nitrate Determination Methods The results obtained have been used to download a number of dependences of the measured electric conductivity on nitrate ion concentration determined for various fruit and vegetables with due regard to their base electric conduc tivities in nitrat tester Soeks Nitrat tester Soeks delivers the result of express test in the form of nitrate ion concentration and compares is with the maximum permissible concentration for the measured product 2065 Remember that result obtained is an estimate and it cannot replace a quantitative chemical analysis in a specialist chemical laboratory which is not free of charge and requires time However the presence of such laboratory and a qualified chemist analyst at home or in the pocket during each purchase of fruit vegetables or berries is impossible for the majority of people while the presence of nitrat tester Soeks allows one to refuse the purchase of suspicious foodstuff and to significantly secure oneself and relatives especially children Such analysis made using nitrat
8. an overheat the power elements cause their failure and electrolyte leakage damage the case and break the device Sleep Set the time in minutes after which the device shall automatically shut down e AlwaysOn yes cancels the value of the Sleep parameter The device will work until turned off with the OK button no the device automatically shuts down according to the set Sleep parameter 136 Power control of device 1 To turn the device on press and hold the OK button until the display turns on the screen backlight is on then release the OK button When the device is on an animated screen with the company s logo appears To skip this screen press the ENTER button After the splash screen the display will indicate the model of the device for 3 seconds 2 To turn the device off press and hold the OK button until the display shows an animated screen with falling autumn leaves Then release the MENU button Pressing and holding the OK button will turn the device off in any mode 3 While connected to a USB the device will be on even without power elements installed If the device automatically turned on while connected to USB disconnecting the device from the USB slot will shut down the device When the device is off you can leave the power elements installed batteries and accumulators are not spent if the device is in standby mode If you expect not to use the device for a long ti
9. me it is recommended to remove power elements after the device is turned off EYA Beginning to Use Device 1 Install the power source page 31 36 2 Turn the device on page 37 3 Before you begin measurements we recommend that you tune up the device page 35 4 Select the Measure menu item Measuring nitrate concentration of fruit and vegetables 1 The measured foodstuff should be clean without any mud on the surface You should clean the measured foodstuff without any cleaning agent with clear water only it should not be rotten or damaged Foodstuff should be fresh You can use cut pieces of the foodstuff that were made not later than 15 min 2 Choose the foodstuff from the menu list Norms of maximum nitrate concentration limit are mentioned in table on page 40 3 After foodstuff selection you will see the following text in the menu Make sure that probe is not stuck in testing product and press OK 4 Clean the probe with alcohol and then with paper napkin The probe should be dry 5 Press OK button You will see that preparation process has begun self calibration The following text message will appear Wait please Preparation to analysis in process Do not touch the probe until you ll see new text instructions 6 Please wait until you ll see the following text message Stick probe into product Press OK Besides harmless recommended norm of nitrates for selected foodstuff will be shown
10. ndicators in Measure mode A screen with the following elements appears in the measure mode RESULT 8 15 mg kg 9 10 8 Measuring result 9 Unit of measure mg kg 10 Result message showing nitrate concentration based on maximum daily rates of nitrate consumption with food if the measured result of nitrate concentration does not exceed the medium norm of nitrate consumtion you will see the following message marked green Normal nitrate concentration if the measured result of nitrate concentration exceeds the medium norm of nitrate consumption not more than 20 you will see the following message marked yellow Insignificant excess of standart if the measured result of nitrate concentration exceeds the medium norm of nitrate consumption not more than 50 you will see the following message marked red Significant excess of standart if the measured result of nitrate concentration exceeds the medium norm of nitrate consumption more than 50 you will see the following message marked red Dangerous concentration of nitrates 11 Coloured indicator 34 Main menu e Language In this item you can select the interface language This device has only two options English and Russian Attention After the BACK button is pressed the screen will display the root menu in the selected language If you made an error and selected the unfamiliar language press the following sequence of butto
11. nization Date of sale 201 Works performed By Owner full name signature 127566 48 1 301 Russia 127566 Moscow Altufyevskoye Shosse 48 k 1 office 301 Tex Tel 495 223 27 27
12. ns to return to the language selection menu DOWN ENTER ENTER Then select the language you need Settings In this section you can preset the parameters for the device and the interface e Vision In this item you can adjust screen settings brightness display time and color pattern e Brightness Select low medium or high brightness level of the screen To save power and help the batteries last longer it is recommended to use the low or medium brightness level of the screen MinutesOn Set the time of display backlight in standby mode You can select from 1 to 15 minutes in the options list e AlwaysOn yes cancels the MinutesOn parameter Backlight is always on while the device is in use screen s backlight works as preset in the MinutesOn function Theme Select from 4 possible combinations of background and font color green gray blue and white 235s In this item you can adjust parameters of power elements used in device e Accumulators Select yes if the device has rechargeable accumulators installed and no if regular batteries are used Incorrectly selected parameter of the installed power supply type may cause incorrect indication of power charge If yes parameter is selected the accumulators will recharge while connected to a PC or charger via a mini USB slot Attention Never connect the device to a charger or a PC if it has batteries installed This c
13. reen Indicators 1 List indicators appear if the list exceeds the screen the list exceeds the bottom limit of the screen the list exceeds the top limit of the screen the list exceeds both the top and Ay bottom limits of the screen 2 USB indicator 1 2 3 4 Measure USB cable connected batteries are charging charging completed 3 Battery charge status indicator normal power level running down gt low power level Attention In this case measurement result can be not exact replace or recharge the batteries Attention In this case measurement result can be not exact 32 4 Active status indicator The continuously moving element in the upper right corner of the screen indicates the device s active status When buttons are pressed icons in this area show which button has been pressed Ea the BACK button was pressed UP button was pressed the ENTER button was pressed ES the DOWN button was E pressed o the OK button was pressed Menu indication and navigation Seis Lesa mm Measure Li Language English 5 BACK ENTER BACK ENTER 5 The current selected line is highlighted with color 6 Inside a selected menu item the upper line on the list indicates the parent menu item 7 As the device is being set up the current parameter value is flagged with a tick mark 33 I
14. ster measured 1000 mg kg nitrates per kilo This concentration is normal for this foodstuff and you can eat not more than 200 grams of such beet Notice that there are special norms for children because child s organism undergoes by nitrate poisoning much more than grownups Harmful doses for little children are 10 50 mg kg 330 Product Designation in menu Apple Apricot Banana Beet Cabbage early Cabbage late Carrot early Carrot late Cucumber soil Cucumber gr Eggplant Grapes Greengrocery Pear Lettuce Marrow Melon Nectarine Onion Bulb Onin Green Peach Peper Sweet Persimmon Potatoes Radish Black Radish Garden Strawberry Tomato soil Tomato gr Watermelon Baby Norm Fresh Meat Apple Apricot Banana Beet Cabbage E Cabbage L Carrot E Carrot L Cucumber S Cucumber G Eggplant Grapes Greengrocery Pear Lettuce Marrow Melon Nectarine Onion Bulb Onion Green Peach Peper Sweet Persimmon Potatoes Radish Black Radish Garden Strawberry Tomato S Tomato G Watermelon Baby Norm Fresh Meat Marking and sealing The name of the device is written on the case The serial number and date of manufacturing are written in the battery section under the accumulator The manufacturer does not seal the device Package The package ensures safety of the device during transportation and storage provided normal climatic conditions Transportation and storage The packed device can by shipped by any
15. tester Soeks is performed in a few seconds and the only thing the device needs for a long term operation is that you do not to forget to change the batteries or to recharge accumulators as a usual cellular telephone Certainly the question may always arise what if excessive electric conductivity of a foodstuff is due not to nitrate ions Such situation is possible but will the buyer feel easier if he or she has bought a foodstuff with an increased phosphate or other ion content instead of nitrates or simply a foodstuff that started to spoil Remember that base electric conduc tivity was determined for each individual type of fresh fruit and vegetables while the composition and concentration of organic acids vary during rotting 27 Specification Range of indicated nitrate from 20 to 5 000 content mg kg Power elements AAA size batteries rechargeable or non rechargeable NiMH Power voltage range V 2 3 3 5 Time of continuous work of the device hours at least Overall dimensions 144x47x17 height x width x thickness max mm Weight without power elements max grams Battery charging current max mA Current consumption from charger 500 or USB not more than Output charger voltage from 4 5 to 5 5 Display Color TFT 128x160 Operating temperature range C from 20 to 60 Comment Increasing the number of measurements shall improve the reliability of readings The time of continuous work of the device
16. type of transport over any distance During shipment the device must be protected against humidity Shipping conditions of the packed device must meet the follow ing requirements environment temperatures from 40 to 60 C relative humidity max 90 at 25 C Until operation the device must be stored in the factory package in a warehouse with air temperatures from 5 to 40 and maximum relative air humidity 80 at temperature 25 C The device may not be stored without the package If the device remained at below zero tempera tures for a long time it must be left indoors for 2 hours before use Maintenance Maintenance includes removal of dust from the outer surface of the device timely changing or charging the power elements if the device is not used for a long time more than 2 weeks power elements must be uninstalled clean the display with soft cloth only Prevent foreign objects from getting inside the device through the accumula tor section or perforation on the back side of the device 41
17. uit and vegetables The principle of nitrat tester Soeks operation is based on measur ing the electric conductivity of fruit and vegetable medium Each fruit and vegetable contains potassium magnesium iron copper and chlorine ions required for their vital functions as well as many organic acids and other substances in certain concentrations required for their normal development The content of each concrete substance in the form of ions or molecules is determined by biochemistry of the concrete plant there exists a base level of ion content and composition of water and soil on which it grows Fertilizer is very often used to secure an effective plant growth for example fertilizer in the form of salts nitrate phosphate and other fertilizer Nitrates or phosphates are dissolved in water and reach the plant which willingly absorbs them in the form of salt ions The salt ions nitrates phosphates etc spread across the plant and are accumulated in various parts of the plant including fruit which increases electrolyte content and accordingly electric conductivity of the fruit vegetable medium Thus we can use nitrat tester Soeks to measure the electric conductivity of fruit and vegetables to compare this value with electric conductivity due to the base level of ion content and to say that that the product under test contains an increased amount of ions with a certain probability Since nitrate fertilizer is widely spread in Russi
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