GMH3110 - SCHRIEVER & SCHULZ & Co. GmbH
Contents
1. 4 ADR BASE ADDRESS OF INTERFACE ccccccsecccceeececeeceee cuuceeeeeesueeeeauueeeeueeeueusesauueesaueeeueueusaueeeeaeeenansas 4 3 MEASURING OF WATER LEVEL DISPLAY UNIT M ccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 4 4 GALIBRATION SERVIGES 5 28 22 ca sea cock cad en een sadueewa net anne nme a herren re 4 5 PRESSURECONNECTION TO THE SENSORS z2uuua20000a0n0nnanununnnnnnnnnnnnnannnnnnnnunnnnnnnnnnnnnnnnnnnnnunnnnnn 5 6 THE SERIALINTERF GE 2 2 2 ar aa aa a ee at suicedesadsenancagedcul eacedvatectecteauaceeds ecavds 5 7 ERRORAND SYSTEM MESSAGES uu22u00a00000n0000nnnanunnnnunnnnnunnnnnnnnnnnunnnnnnnnnnnunnnnnunnnnnnnnnnnunnnnnnnnnnnnnnn 6 8 SPEGIEICATION A ee en ge ense nie 7 9 SENSORS 01 2003 Ana ana a a EEE EEE EEE 8 107 SACGESSORIES E23 HT an dene seen T 8 1 General 1 1 Safety Requirements This device has been designed and tested in accordance with the safety regulations for electronic devices However its trouble free operation and reliability cannot be guaranteed unless the standard safety measures and special safety advises given in this manual will be adhered to when using the device 1 Trouble free operation and reliability of the device can only be guaranteed if the device is not subjected to any other climatic conditions than those stated under Specification 2 Device and sensors have to be handled with care don t throw hit etc Protec2. bAt is shown in the upper display the voltage is too low to operate the device the battery has been completely used up Please note We recommend to take out battery if device is not used for a longer period of time H31 0 11 6C 10 User s Manual GMH3110 page 3 e Mains Operation With Power Supply Warning When using a power supply please note that operating voltage has to be 10 5 to 12 V DC Do not apply overvoltage Cheap 12V power supplies often have excessive no load voltage We therefore recommend using regulated voltage power supplies Trouble free operation is guaranteed by our power supply GNG10 3000 Prior to connecting the power supply to the mains make sure that the operating voltage stated at the power supply is identical to the mains voltage Connecting Changing Sensors Do not use insuitable sensors Connecting other devices sensors as specificated may cause a damage to the instrument and device sensor Switch off device before changing the sensor Connect sensor before switching on the device otherwise the sensor may not be detected correctly When connecting the sensor the connector may not lock correctly In such case take the plug not at the casing but at the buckling protection at the end of the plug If plug is entered correctly it will slide in smoothly To disconnect sensor do not pull at the cable but at the plug to openlocking mechanism 1 3 Connections Connection for pressure sensors of the GMSD family p r t chap
3. dimensions 68 x 32 5 x 27 5 mm Description B Stainless steel sensor Suitable for aggressive media water etc Pressure connection Threading GY for open ended spanner size 27 mm Housing ABS dimensions ca 926 31 x 103 mm Description C Stainless steel sensor Suitable for aggressive media water etc Pressure connection Threading GY4 for open ended spanner size 27mm Steel housing dimensions ca O26 31 x 110 mm 10 Accessories GKK3000 Suitcase 275 x 229 x 83 mm with punched lining suitable for the GMH3xxx series GKK3100 Suitcase 275 x 229 x 83 mm with foam lining for universal applications GMH1300 Magnet holder GAK9V Rechargeable accu 9V GLG1300 Accu charger for recharging 2 accus at one time GNG10 3000 power supply 10V 10mA GRS3100 Interface converter electically isolated GRS3105 5 way interface converter electically isolated GAM3000 Control device for GMH3xxx devices with alarm function EBS9M 9 channel software to display the measuring values GMH3000 DLL universally applicable windows functions library GMH3000 DLL with documentation for your own software applications
4. make sure to apply higher pressure to port B Absolute pressure sensors types GMSD BA Connect plastic tube with an internal dia of 4 mm to pressure port A Port B is not used Stainless steel pressure sensors types GMSD MRE GMSD BRE GMSD BAE For measurements of over under or absolute pressure screw sensor to G1 4 pressure terminal or plug plastic tube to a suitable adapter 6 The Serial Interface By means of the serial interface and a suitable electrically isolated interface adapter GRS3100 or GRS3105 the device can be connected to a computer for data transfer With the GRS3105 up to 5 devices of the GMH3xxx series can be connected to one interface see also manual of GRS3100 or GRS3105 To avoid transmission errors there are several security checks implemented e g CRC The following standard software packages are available EBS9M 9 channel software to display the measuring values EASYCONTROL Universal multi channel software EASYBUS RS485 or GMH3000 operation possible for real time recording and presentation of measuring data of one GMH3xxx device in the ACCESS data base format In case you want to develop your own software we offer a GMH3000 developmentpackage including e auniversally applicable Windows functions library GMH3000 DLL with documentation e Programming examples Visual Basic 4 0 Testpoint Keithley Windows measuring software Note The measuring and display range va
5. FF takes place for the time of the power off time 72 The power off time can be set to values between 1 and 120 min It can be completely deactivated by setting the paramter to P oFF oFF 2 4 Adr Base Address of Interface Up to 10 devices of the GMH3xxx handheld family can be connected to a serial interface at Ode once depending on interface converter e g GRS3105 5 devices To get access to each 5 device the base addresses of the devices have to be different For example choose 01 for the first 11 for the second device and so on 3 Measuring Of Water Level Display Unit m only for devices with m printed below the display When using a suitable waterproof pressure sensor the unit m for meters of water can be set in the menu Unit 10m of water are roughly 1 bar over pressure Measurings can be made e g like described below e With abs pressure sensor SL oFF Press Tara when sensor is at ambient air and then bring sensor to the depth to be measured The display shows now the depth in m e With rel pressure sensor bring tube connection for lower press in contact to ambient air by means of a tube no water contact and bring the sensor with its open press connection for higher pressure to water depth to be measured display and is compensated for pressure changes in ambient air 4 Calibration Services Calibration certificates DKD certificates other certificates If device sho
6. H31 0 11 6C 10 User s Manual HandheldDigital Pressure Meter GMH3110 Version 4 7 for GMSD Pressure Sensors cE Ihr kompetenter Ansprechpartner Your competent contact partner SCHRIEVER amp SCHULZ amp Co GmbH Ing und Verkaufsb ro seit 1958 Eichstr 25B D 30880 Laatzen Tel 49 0 511 864541 Fax 49 0 511 864156 www schriever schulz de schriever schriever schulz de H31 0 11 6C 10 Users Manual GMH3110 page 2 CONTENTS 1 GENERAL E E di GE en cogataseve ocsessececcacysacteces saeeteeedadseisctosssiavedscadedaesidseciseaveascasccuGasseicessseeevecdsasivese 2 AA SAFETY REQUIREMENTS zu nen haare ea teense E E EN 2 1 2 OPERATION AND MAINTAINANCE ADVICE eeancnuneanaunnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnnnnnnnnnnnnnnn 2 1 32 GONNECTIONS 2 ra na EA ER TON ak ES E a A FR et AGS EEE an te 3 g E RN DD LS Tey ee ee aE a a Rae SEAE E 3 1 5 BASIC OPRERATION sec cx covexccceudl ee an en a aan een endet nennen een een 3 2 CONFIGURATION 22 u een erh edel le rennen 4 2 1 UNIT COICE OF THE DISPLAY UNIT uuuuansnunennaunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4 2 2 SEALEVEL CORRECTION FOR ABSOLUTE PRESSURE SENSORS cccccceccseeececeeececeucesuuseeeueeeuueeeuaeeeenauess 4 2 3 P OFF AUTO POWER OFF TIME ccccccccccccesecccccececececeeuseessacneceeseeceeeatseeeeenseensauaeseeuaeeeeessesescoseuesneess 4 2
7. ed relatively to the set tare value When tara function is activated the arrow Tara appears in the display To deactivate tare function press Tara for gt 2 seconds Please Note Activating deactivating tara clears the max amp min memories Zero Point Adjustment for rel pressure sensors only If there is no pressure applied to the pressure ports the device will display 0 If there is a permanent deviation and device is operated under steady conditions a permanent zero point adjustment can be carried out To carry out the adjustment press key 3 for 5 seconds Please note Azero point adjustment can only be carried out if the difference between the value on display and the value calibrated on site is less than 2 E g for the measuring range of 1 00 25 00mbar gt zero point adjustment up to 0 50mbar possible To recall the manufacturer s calibration press button 3 for approx 7 seconds Note If a zero point adjustment was carried out this will be signalled by the short displaying of NuLL Corr when switching on the device H31 0 11 6C 10 Users Manual GMH3110 page 4 2 Configuration To change device settings press Menu key 4 for 2 seconds This will call the configuration menu Pressing key Menu jumps between the parameters The parameters can be changed with key 2 or key 5 Quit key 6 finishes the configuration and returns to standard measuring operation 2 1 Unit Coice Of TheDisplay Unit u C
8. hoose the desired display unit the refering unit is displayed by means of a functional arrow in Hini amp the display The selection is permanently stored in the sensor therefore after reconnecting the sensor the unit will instantly reapear The choice depends on the used sensor The unit m H2O is just supported by devices with m printed below the display La 2 2 Sea Level Correction ForAbsolute Pressure Sensors The device displays the absolute pressure measured at the sensor This is not necessarily the same like the values given by weather stations The weather stations values are pressure at sea level Usually the sensor is placed above sea level and therefore if the value at sea level zero is to be measured the pressure loss resulting from the actual level above zero has to be considered To correct activate the Sea Level Function SL Select on in the menu SL with key 2 or key 5 En Jump to the next parameter Alti py pressing Menu key 4 ALL Then enter the altitude above sea level of the sensor s location in meters and leave the yas configuration by pressing Quit key 6 ar Ab Legg If the sea level correction is active this will be shown by the functional arrow SL in the display the device now displays the absolute pressure at sea level zero 2 3 P oFF AutoPower Off Time The device will be automatically switched off if no key is pressed no interface communication Pa
9. lues read back from the interface are always in the selected measurement unit mbar bar Supported functions 0 Read measurement value 2 2 _ 180 _ Readkindofmeasuringofsensor 6 Read min memory 199 Read kind of measuring of display 32 Read configuration flag Read display range unit BitCorrectToSealevel 32 only abs press 904 Read display range decimal point Sensors H31 0 11 6C 10 Users Manual GMH3110 page 6 7 Error And System Messages Low battery power device will only continue Replace battery operation for a short period of time Battery empty Replace battery Mains operation without battery wrong voltage Check power supply replace it when necessa No sensor connected Switch off device and connect sensor Connected sensor or device defective If second sensor available check if device is ok Return defective device sensor to or Err 9 manufacturer for repair Measured value far out of allowable range Check pressure not within sensor range No display or Battery empty Replace battery haracier characters or polarit necessa device does Disconnect battery and power supplies not react on wait shortly then reconnect shed Err 1 Measured value above allowable range Check pressure not within sensor range gt measuring value to high Sensor defective Return to manufacturer for repair Err 2 Measured value below allowable range Check pressure not within sensor range gt measuring value t
10. o low Sensor defective Return to manufacturer for repair Value is too low to be displayed tara is set Check display below 2000 tara Err 7 a ae H31 0 11 6C 10 User s Manual GMH3110 page 7 8 Specification Measuring ranges Display range Resolution Pressure units Accuracy typ Measuring rate Nominal temperature Sensor Connection Power Off Function Display Pushbuttons Interface Power supply Power consumption Low battery warning Housing Dimensions Working temperature Allowable rel humidity Storage temperature EMC Additional fault max 1999 9999 digit depending on connnected sensor depending on connnected sensor mbar bar kPa MPa mmHg PSI mH O only for devices with m printed below display selectable depending on connnected sensor 0 1 FS atnominal temperature FAStand P dET 0 5 FS 4 meas sec 25 C All sensors ofthe GMSD series without recalibration can be connected Mini DIN Socket with locking mechanism The sensor will automatically be detected the measurement range settings are set refering to to sensor data Device will be automatically switched off if no key is pressed no interface communication takes place for the time ofthe power off delay The power off delay can be set to values between 1 and 120 min it can be completely deactivated 2 four digit LCDs 12 4mm high and 7 mm high for measuring values and for min ma
11. t plugs and sockets from soiling 3 If the device is transported from a cold to a warm environment condensation may cause in a failure of the function In such acase make sure the device temperature has adjusted to the ambient temperature before trying a new start up 4 If device is to be connected to other devices e g via serial interface the circuitry has to be designed most carefully Internal connection in third party devices e g connection GND and earth may result in not permissible voltages impairing or destroying the device or another device connected Warning If device is operated with a defective mains power supply e g short circuit from mains voltage to output voltage this may result in hazardous voltages at the device e g at sensor socket or interface 5 If there is a risk whatsoever involved in running it the device has to be switched off immediately and to be marked accordingly to avoid re starting Operator safety may be arisk if there is visible damage to the device the device is not working as specified the device has been stored under unsuitable conditions for a longer period of time In case of doubt please return device to manufacturer for repair or maintenance 1 2 Operation And Maintainance Advice e Battery Operation lf A and bAt are shown in the secondary display the battery has been used up and needs to be replaced The device will however operate correctly for a certain amount of time If
12. ter 9 a Interface Connection for el isolated interface adapter p r t chapter 6 The mains adapter socket is located at the left side of the device 1 4 Display Units an arrow points to pas display shows measuring value the chosen measuring unit mio fe 7 7 A indicates weak battery or other warnings Tara appears if tara 74 hi Acs secondary display min max or hold value function is activated gg gR Lo ogg no function SL appears if sea level vv y correction is activated u AL no function 1 5 BasicOperation When switching on the device and a zero point adjustment was carried out it shows shortly nuLL Corr On Off Switch Tara Calling of tara function zero point adjustment min max Showing the min resp max memory in sec display Store Quit Calling of hold function Set Menu Calling of configuration Max Memory Pressing max key 2 shows the maximum of the measured values Pressing it again hides it To clear the max memory press key max for gt 2 seconds Min Memory Pressing min key 5 shows the minimum of the measured values Pressing it again hides it To clear the min memory press key min for gt 2 seconds Hold Function By pressing Store Quit key 6 the last measuring value will be held in the secondary display Pressing it again hides it Tare Function By pressing Tara key 3 the display will be set to 0 All measurings from then on will be display
13. uld be certificied for its accuracy it is the best solution to return it with the refering sensors to the manufacturer Only the manufacturer is capable to do efficient recalibration if necessary to get results of highest accuracy H31 0 11 6C 10 User s Manual GMH3110 page 5 5 Pressure Connection To The Sensors The device is designed to be connected to the sensors of the GMSD series without a new calibration being necessary Therefore a great variety of replaceable sensors of e g 1 999 2 500 mbar relative up to 0 400 0 bar absolute pressure can be connected to the device p r t chapter 9 Relative Pressure Sensors Types GMSD MR GMSD BR e For measurements of over or under pressure Connect plastic tube with internal dia of 4 mm to pressure port B Port A will not be used Pressure sensors GMSD 2 5 MR GMSD 25 MR and GMSD 350 MR allow for measurements of under pressure up to the entire over pressure measuring range by re plugging the tube to pressure port A Please note that all values are displayed as positive values No minus sign will be shown Example for GMSD 25 MR For tube connection B the measuring range covers 19 99 to 25 00 mbar If you replug to port A under pressure measurements down to 25 00 mbar could be carried out with the display showing the value 25 00 no minus sign e For measurements of pressure differences Connect both plastic tubes with an internal dia of 4 mm to pressure port B and A
14. x memories hold function etc as well as additional functional arrows 6 membrane keys Serial interface 3 5mm jack can be connected to RS232 interface of a PC via electrically isolated interface adapter GRS3100 or GRS3105 See accessories 9V battery type IEC 6F22 included in scope of supply as well as additional d c connector diameter of internal pin 1 9 mm for external 10 5 12V direct voltage supply suitable power supply GNG10 3000 Slow measuring rate lt 1 5 mA A display and bAt impact resistant ABS membrane keyboard transparent panel Front side IP65 142 x 71 x 26 mm Lx W x D 0 50 C 0 95 r H not condensing 20 70 C The device corresponds to the essential protection ratings established in the Regulations of the Council for the Approximation of Legislation for the member countries regarding electromagnetic compatibility 89 336 EWG lt 1 H31 0 11 6C 10 Users Manual GMH3110 page 8 9 Sensors 01 2003 e Meauing Range Resotion Overoad Deserpten so 360 MRE 0 0 600 mbarre ormar 1a barre je feMs035RE 0 s600mbarrel 1moar __ Toarabs je vSD 1 BAe o 1o0mbarabs mbar 2barabs e omso 35 ne o 300mbarats mbar _ Tbarabs e fans 7 ae 0 7oO0mbarabs mbar 185 baras je Description A Sensor is suitable for air non corrosive and non ionising gases and liquids Pressure connection 2 nylon pressure ports for connection to 6 x 1 mm tubes Housing ABS with mounting eyelet
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