Model SDHmini
Dewpoint Meter
Instruction Manual
3006 - SDHmini User Manual - Iss 1.1
Page 1: ...Model SDHmini Dewpoint Meter Instruction Manual 3006 SDHmini User Manual Iss 1 1...
Page 2: ......
Page 3: ...ction 9 3 6 Using the SDHmini to Take a Moisture Reading 10 3 7 Desiccant Dry Down Technology 11 3 8 Sample Connections 11 3 9 Pressure and Flow Control 12 3 10 Particulate Contamination 12 3 11 Liqui...
Page 4: ...trument 22 Connecting the SDHmini and SDHmini User Tool 24 Using the SDHmini User Tool 25 10 1 Menu items 25 10 1 1 File SDHmini Report 25 10 1 2 Language 25 10 1 3 Help 26 10 2 Instrument Live Readin...
Page 5: ...e sensor signal conditioning circuitry memory management graphics display membrane keyboard real time clock on board battery and charger circuit The graphical user interface features three main viewin...
Page 6: ...tion data sheets firmware backups etc 2 Important Information 2 1 Symbols Table 6 2 2 Lithium ion Cell Battery The SDHmini is powered by a single lithium ion cell The cell is not field replaceable by...
Page 7: ...een exposed to arcing however it is possible that various acidic species will have been formed that will corrode the sensor When testing SF6 that may have been arced therefore an acidity test should b...
Page 8: ...end the SDHmini response time to an unacceptable level In general a flow rate of between 2 and 5 litres min at normal temperature and pressure will give the right balance The SDHmini is designed to op...
Page 9: ...sample is measured at atmospheric pressure requiring that valve 4 is fitted to the system Flow Control Valve Sample Connection SDHmini Flow Indicator The recommended sample flow is 2 to 5 L min Sampl...
Page 10: ...acing a finger over the sample exhaust 9 so that the pressure of the sample lifts the telescopic head As soon as the head is fully extended remove the finger to prevent pressure build up Pull gently o...
Page 11: ...used as the inlet connection 6 PTFE and stainless steel are recommended materials for sample pipes Some specialist flexible tubing may be suitable as sample pipe but common flexible tubing such as PVC...
Page 12: ...or becomes partly coated with particles it will not affect the calibration of the sensor but will restrict the movement of water molecules across the surface so increasing the time it takes for the se...
Page 13: ...you to the home screen Here is a view starting as a digital number followed by simulated strip chart and moving coil instruments The digital display mode has the benefit of showing the moisture measur...
Page 14: ...it the current screen without making any further changes Here the secondary display is being changed to ppm v engineering units B Please note when you change the display to either the moving coil mete...
Page 15: ...nt range above 0 C e g the Blue range 80 to 20 C please refer to section 5 2 Calibration Setpoint CalSet Select AutoCal from the Configuration Menu Please ensure that the inlet and outlet valves are o...
Page 16: ...20 C dewpoint for example the Blue range 80 to 20 C dewpoint where this upper range limit will exceed typical ambient conditions The unit may be checked against a known moisture level for example from...
Page 17: ...instrument fails calibration a message will be displayed on the screen until acknowledged by the user e g AutoCal Failed Sensor Open Circuit or AutoCal Failed Sensor Short Circuit This will mean repl...
Page 18: ...pressure or one of four pressure engineering units and applied pressure When this function is selected the main and secondary display screens will display the pressure at which the dewpoint reading i...
Page 19: ...select the Time function from the Configuration menu To change the time use and Here for example the time is changing from 10 48 to 11 48 Press to enter new time or to abort changes 7 3 Changing Inter...
Page 20: ...ese settings are carried through to any data files and printer outputs where appropriate 7 4 Hotkeys To access the hotkeys from the main screen press key 5 on the keypad The four soft keys are replace...
Page 21: ...software will only work on Windows version XP SP3 Vista 7 8 and 10 and requires Microsoft NET 3 5 Once installed this software is warranted not to need any access to the internet or any other sort of...
Page 22: ...te A shortcut icon will appear on the desktop Close the dialogue box Safely remove the USB flash drive from your PC 8 2 Extracting the SDHmini User Tool Software from the Instrument To install Connect...
Page 23: ...ct Installation Folder to save your software download in your chosen folder on the PC Once the installation is complete a dialogue box will appear saying Installation Complete A shortcut icon will app...
Page 24: ...ase note Once connected to the SDHmini User Tool software all keys on the instrument keyboard are unusable all changes are made through the User Tool Double click the desktop icon to get started Switc...
Page 25: ...are any errors the unit should be returned to the distributor or you may perform a factory reset Please contact your distributor for advice before proceeding with a factory reset 10 1 2 Language The f...
Page 26: ...g Date and time Live reading in main units Live reading in secondary units Battery status 10 3 Instrument Static Information Displays information regarding Instrument serial number Sensor Sensor range...
Page 27: ...OK Click OK to complete Date Time Set The date and time can be set via the PC Factory Reset Reset Warning Performing a factory reset will erase all saved settings and data If continuing with the Fact...
Page 28: ...he instrument Date format Numerical delimiter from to Gas Gas type Gas molecular weight File Loads files to the instrument that contain already set parameters and is particularly useful for the multip...
Page 29: ...ds The Program Loader will time out after 30 seconds if not used Plug in the USB cable Please Note On first time use Windows will load a driver for this Program Loader facility Note the Firmware Updat...
Page 30: ...rforming a factory reset will erase all saved settings and data and default the following to factory settings date format language main display units secondary display gas weight gas type AutoCal valu...
Page 31: ...this will spill desiccant Only use soft jaws Do not use tools or vice with hard jaws There is no need to remove the retaining ring from the desiccant chamber top section except perhaps to change an O...
Page 32: ...be returned to your supplier authorised distributor for examination 11 4 Guarantee All products are guaranteed for two years from the date of purchase some exclusions are as follows Removing protectiv...
Page 33: ...n on Screen remains blank and back light off Battery low level Connect a battery charger unit for a minimum of 12 hours charging AutoCal failure Sensor sensitivity too low Repeat AutoCal If AutoCal fa...
Page 34: ...colour graphics LCD 320 x 240 resolution Three main viewing digital graphical and a traditional moving coil Secondary display in the top right for display of readings in alternative units of measurem...
Page 35: ...13 0 SDHmini General Assembly Diagram 35 FRONT VIEW REAR VIEW SIDE VIEW TOP VIEW 259 mm with head extended 211 mm with head extended 147 mm 13 mm 97 mm...
Page 36: ...Meters UK Ltd Len Shaw Building Bolton Lane Bradford BD2 1AF England t 44 0 1274 733582 f 44 0 1274 370151 e mail shawmeters com www shawmeters com 3006 SDHmini User Manual Iss 1 1 SHAW MOISTURE METER...
