MOISTURE PROBE USER MANUAL.
Contents
1. 5 0 CALIBRATION TRANSFERS 5 1 Remote access mode 5 2 Continuous mode 5 2 1 Single curve transfer 5 2 2 Curve set transfer 6 0 HARDWARE SECTION 6 1 Checking hardware calibrations 6 2 Resetting hardware 7 0 CHANGING DEFAULT SETTINGS 8 0 TECHNICAL SPECIFICATION 8 1 Display unit 8 2 Sensor 9 0 SINAR MOISTURE PROBE ACCESSORIES 1 0 INTRODUCTION PAGE 11 12 12 13 15 17 18 19 4 The Sinar Moisture Probe moisture Analyser houses the latest moisture measuring technology in a compact package It has been designed to provide fast moisture results using whole grain samples In addition to moisture content the Moisture Probe also measures temperature Each instrument is pre calibrated for up to seven commodities either chosen from a standard package of programmes or selected from the Sinar calibration library The calibration of any product can be optimised using a bias facility The Sinar Moisture Probe is one of a family of moisture analysers All models have the facility to transfer and receive calibrations either from each other via a Sinar Acoustic Coupler and telephone link or via the Internet Similarly new commodities can be transferred or existing calibrations can be updated with new information The Sinar Moisture Probe has been calibrated using clean samples Accuracy can be affected by the presence of stones dirt weeds seeds admixture chaff or other foreign matter Clean the2. CAL Press and hold button Press and hold AVER until unit bleeps Surround the sensor with a capacitance reference sample e g 28 1 Allow 1 minute for the sensor and sample temperature to equalise Enter Reference Value e g 28 1 Display shows Press 2 Press 7 C 2 Press A once C 2 Press 1 7 281 Display shows 28 1 CO IN Ib bu Press kg hl Enter Temperature Insert thermometer or temperature probe into grain and note reading e 21 0 C Press 2 Press 1 iy Press 0 C 21 O g Press button 21 0 Display shows Press and hold until analyser bleeps J gt This completes the hardware resetting Now check the temperature and capacitance readings 7 0 CHANGING DEFAULT SETTINGS The following options are available a Temperature C or F b Baud rate setting of 300 or 4800 c High or low frequency moisture measurement The procedure to change from one default setting to the other is as follows Display shows Switch on Lt HI E CAL Press and hold button Enter password and press e P CAL C Press button O PA Display shows CAL i Press rre button again SEt In this mode the following keys have specific functions TEMP When this key is held down the display changes from USA to Euro or vice versa In Euro units the readings are C for temperature In USA units the readings are F for temperature AVER When this
3. Bl IN on Press button Moisture content will be displayed after 5 seconds 3 2 TAKING CONTINUOUS MOISTURE CONTENT READINGS Display shows Switch on H Select channel 1 7 e g 2 Press and hold button L O G Display shows display a moisture reading The reading is updated every 4 seconds After approx 5 seconds the unit will A 9 To end continuous mode proceed as follows Press and hold button LO G 8 F 3 3 MEASURING SAMPLE TEMPERATURE TEMP Sample temperature can be measured by pressing the mwe button when the sample is covering the sensor If the sample temperature is very different from the ambient temperature leave the sample for 30 seconds before you press TEMP Alternatively keep on pressing the TEMP button until a stable temperature is displayed Display shows O Press button NO 3 4 USING THE AVERAGE MOISTURE CONTENT FACILITY A maximum of 254 samples can be averaged It the AVER button is held down the display will show the number of measurements that have been made e g Press and hold button When this key is released the average moisture content will be displayed e g 10 6 B A o 7 The average can be reset to zero by switching the analyser off and on or by changing channels NOTE If using the average function ensure the sensor is always covered with sample If a reading is taken with the sensor half covered the reading will added
4. FER Set both units to display On the sending unit press On the receiving unit press AVER Sending unit changes to Receiving unit changes to When the transfer is completed both instruments will display 6 0 HARDWARE SECTION Display shows COPA OUT Display shows C Y O dp 6 1 CHECKING HARDWARE CALIBRATIONS To check that the instrument is in good working order the sensors Temperature and Capacitance should be checked as follows Temperature Pour the sample around the sensor covering the fins totally Leave for 30 seconds so that the sample and sensor temperature reach equilibrium 13 Check the temperature of grain using an accurate thermometer Switch on the instrument and press TEMP The two readings should not differ by more than 1 5 C Capacitance This is checked using a capacitance reference sample code 0 sample Contact your instrument supplier for this sample Pour the sample around the sensor covering the fins Press the 0 button and then the H90 button The displayed result should be no greater than 0 3 from the value of the code 0 sample The code 0 value is written on the container the sample was supplied in If any of these measurements are out of tolerance the instrument should be recalibrated 6 2 RESETTING HARDWARE Ensure there is no sample around the sensor Switch on Lt z CAL Press and rol button s Enter password and press P Po Display shows
5. SINAR TECHNOLOGY MOISTURE PROBE USER MANUAL Read all instructions prior to operating your Sinar Moisture Probe Whenever using this unit remember to follow the appropriate operating procedures For your reference record Serial Number T a a a ee Purchase Date ey eI reese Date Registration Card Mailed Moisture Probe Rev 2 11 05 For Version 1 2 software Sinar Technology Unit 1 amp 2 Old Station Business Park Compton Newbury Berkshire RG20 6NE ENGLAND Tel 44 0 1635 579940 Fax 44 0 1635 579941 Email office sinar co uk Website www sinar co uk w Sinar Moisture Probe Model 6600 The performance of this Moisture Analyser is dependent on the correct use and instrument care by the customer It is important to check the calibration both commodity and hardware periodically and if necessary make adjustments following the procedure in this manual The commodity calibration can be checked by comparing the Moisture Analyser results against reference samples e g oven tested samples please ensure that tested samples are based on the correct oven test specification CONTENTS 1 0 INTRODUCTION 2 0 BASIC PRINCIPLE OF OPERATION 3 0 OPERATING INSTRUCTIONS 3 1 Taking a single moisture reading 3 2 Taking continuous moisture readings Log mode 3 3 Measuring sample temperature 3 4 Using the Average moisture content facility 4 0 CALIBRATION ADJUSTMENTS 4 141 Moisture content
6. key is held down the baud rate changes from 300 to 4800 or vice versa 8 0 TECHNICAL SPECIFICATION 8 1 Display unit Dimensions mm Display Unit Weight Max Number of Sensors Display Unit Construction Operating Environment Storage Temperature Humidity Display Processor Memory Calibrations supplied Upgradable via the RS232 port Max calibration capacity Data Output Format Moisture Accuracy Readout Interval Temperature Accuracy Displayed Temperature Display Resolution Temperature Correction 17 H195 x W154 x D33 0 6 KG 1 Fabricated aluminium alloy powder coated 0 to 55 C 20 C to 55 C Humidity to 95 non condensing Up to 95 non condensing 3 5 character 20mm LCD Intel 80C31 microprocessor EPROM and RAM 7 7 RS232 C ASCII code 300 Baud 0 5 dependant on application and moisture level 4 seconds 1 C C or F 1 Decimal place Temperature sensor mounted on fin Correction factor is software programmable Correction range 0 40 C 8 2 Sensor Sensor Dimensions mm Sensor Weight Operating Environment Storage Temperature Humidity 80 x 380 0 8KG 0 to 65 C 20 C to 80 C Humidity to 95 non condensing Up to 95 non condensing
7. sensor with a soft brush to prevent material build up on the fins NEVER USE WATER Take care not to damage the temperature sensor 2 0 BASIC PRINCIPLE OF OPERATION The design concept of the Sinar Moisture Probe is based on the simultaneous sensing of capacitance and temperature of the sample being tested providing a corrected moisture reading in a few seconds It works accurately on products with a moisture content ranging from approximately 1 to 35 depending on the application The instrument incorporates 2 sensors As Capacitance The moisture in a sample absorbs the electrical energy between the sensor fins The electrical signal known as Capacitance increases with the moisture content of the sample 2 Temperature Correction The capacitance of a sample increases with temperature A temperature sensing thermistor is mounted in the sample cell and the microprocessor carries out an automatic correction Sinar refer to a capacitance reading corrected for temperature as a code 0 reading 3 0 OPERATING INSTRUCTIONS 5 Hold the display unit in one hand Hold the spear via the black mushroom cap in the other hand Select the required crop as detailed below Insert the spear into the crop to be measured ensuring that the black sensor fins are completely covered Proceed as detailed below 3 1 TAKING A SINGLE MOISTURE CONTENT READING Display shows Switch on a Select channel 1 7 e g 2 EN M7
8. ther a channel has been adjusted proceed as follows Display shows Switch on a IH oa CAL Press and hold button Select channel e g 1 J g gt a Display shows Ib bu Press kg h button 0 0 means that no adjustment has been made 5 0 CALIBRATION TRANSFERS 5 1 REMOTE ACCESS MODE The Moisture Probe can be put into remote access mode or PLUG mode This is a remote mode to enable calibration data to be imported or exported from the Moisture Probe to a PC with the Sinar MNET Pt No 1900 6309 software installed Data can also be transmitted via telephone line using the Sinar Acoustic Coupler Pt No 6230 001 Press and hold the button Display shows while switching on All operations are now carried out via the PC 5 2 CONTINUOUS MODE The following instructions relate to communicating with a Sinar AP moisture instrument only Details of communications with other models are included in their respective user manuals 5 2 1 SINGLE CURVE TRANSFER In order to transfer one calibration to an AP analyser proceed as follows Display Shows On receiving unit Press channel number e g 7 in which new calibration is to be installed Press button On the sending unit On the receiving unit After 6 seconds both units will display u 7 E i a ZN iF Y y gt The transfer is now complete Switch off both units and remove cable 5 2 2 CURVE SET TRANS
9. to the average Stack and effect the accuracy of the final result 4 0 CALIBRATION ADJUSTMENTS 41 MOISTURE CONTENT Sometimes it is useful to be able to adjust the moisture reading for instance when a different oven test is used or when the particle size of a product is significantly different or when 2 instruments are checked against each other However before adjusting the moisture reading check that the hardware settings are correct Section 6 1 Having done this surround the sensor with sample and select the appropriate calibration channel The moisture reading may be adjusted for each individual channel using the up Al and down V arrow keys The adjustment applies to all points of the selected channel Determine the average adjustment needed by comparing at least 3 different samples Display shows Switch on E Press and hold as button Enter password and press e Note The Analyser gives an audible alarm if the wrong password is entered EE gt x Ty Press button 1 O 9 After 5 seconds the moisture result is displayed If the average adjustment needed is 0 3 press up arrow Al key three times so that the display reads Ib bu Press and hold kg hl button this displays the channel number that has been adjusted Release the key and the display will show the adjustment that has been made Note When the instrument leaves the factory the password is 123 In order to check to see whe
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