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User manual

500GD

34 / 52

MRU GmbH, D-74172 Neckarsulm

►

Press “OK”.

►

Choose the desired refrigerant.

►

Press “OK”.



The desired refrigerant is saved.



The menu Extras appears.

Setting alarm threshold

►

Select

„

Alarm

“.

►

Press

„OK“.

►

Set the desired alarm threshold.

►

Press

„OK“.



The alarm threshold is saved.



The menu Extras appears.

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Summary of Contents for 500GD

Page 1: ...HC40X RM400 HM400 IR400 RF400 CO400 CD400 500GD USER MANUAL 6822EN ...

Page 2: ...manual 2022 by MRU No part of this manual may be published in any form print photocopy electronic media or any other publication form without a written approval by the publisher All user trademarks and name mark descriptions even those which are not marked as such are properties of the respective owners Edition 2022 02 23 V1 01 EN ...

Page 3: ... on the basic unit 15 Setting options for QR code 15 Setting language 16 Setting brightness 16 Setting volume 17 Setting Off time 17 4 5 Switching off the analyser 18 5 Measuring 19 5 1 Inserting interchangeable sensor 19 Use interchangeable sensor without probe tube 19 Use interchangeable sensor with probe tube 20 Set alarm mode 20 5 2 Detection with interchangeable sensor HC40X 21 Starting detec...

Page 4: ... detection 33 Setting Zeropoint 33 Selecting refrigerant 33 Setting alarm threshold 34 5 7 Measuring with interchangeable sensor CO400 35 Starting measurement 35 Configuring measurement 35 Setting Zeropoint 36 Setting alarm threshold 36 Setting unit 37 5 8 Measuring with interchangeable sensor CD400 38 Starting measurement 38 Configuring measurement 38 Setting Zeropoint 39 Setting alarm threshold ...

Page 5: ...changeable Sensor HC401 Nr 11591 44 Interchangeable Sensor HC402 Nr 11733 45 Interchangeable Sensor RM400 Nr 11191 46 Interchangeable Sensor IR400 Nr 12121 46 Interchangeable Sensor HM400 Nr 11922 47 Interchangeable Sensor RF400 Nr 11900 48 Interchangeable sensor CO400 Nr 12130 49 Interchangeable sensor CD400 Nr 12623 49 8 3 Service menu 50 9 Declaration of conformity 51 ...

Page 6: ...egories of safety precautions are here explained once more DANGER Identifies an immediate impending hazard that if ignored will result in severe bodily injuries or death WARNING Identifies an immediate impending hazard that if ignored may result in severe bodily injuries material damage or death CAUTION Identifies a possibly dangerous situation that if ignored may result in minor injuries ATTENTIO...

Page 7: ... sensors the analyser can be used for a wide range of applications Usable with interchangeable sensor RM400 for leak detection on ex haust pipes Usable with interchangeable sensor HC400 HC401 and HC402 for leak detection on gas lines in non explosive environments Usable with interchangeable sensor RF400 for leak detection on refrigeration systems Usable with interchangeable sensor HM400 to measure...

Page 8: ...are not allowed 2 2 About us The analyser is produced by the MRU GmbH in Neckarsulm Germany Founded in 1984 a medium sized company that specializes in devel oping producing and marketing high quality emission monitoring analysers MRU GmbH produces a wide range of instruments from standard analysers up to tailor made industrial analysers Plant 1 Sales Service R D Plant 2 Production ...

Page 9: ...D MRU GmbH D 74172 Neckarsulm 9 52 MRU GmbH Fuchshalde 8 12 74172 Neckarsulm Obereisesheim GERMANY Tel 49 71 32 99 62 0 Front office Tel 49 71 32 99 62 61 Service Fax 49 71 32 99 62 20 Email info mru de Site www mru eu ...

Page 10: ...e analyser can be extended by further interchangeable sensors The following interchangeable sensors are available Gas sensor H40x for detecting leaks in gas pipes Humidity sensor RM400 for detecting leaks in flue pipes Condensing humidity sensor RM400 for spillage tests on flue gas Systems Infrared temperature sensor IR400 for contactless measurement of surface temperature Hygrometer sensor HM400 ...

Page 11: ... 2 The Analyser The analyser consists of a compact and robust glass fibre reinforced plastic housing No Description No Description 1 Unscrewable filter grid 2 Flexible arm 3 Interchangeable Sensor 4 Sensor connector 5 Display 6 Keypad 7 Mini USB interface ...

Page 12: ...2 Neckarsulm 3 3 User interface All functions are selected from the analyser display Operation and navigation are carried out via a keypad In the individual menus and windows additional submenus are available Keypad Start screen Measurement ...

Page 13: ...rchangeable sensor the menu structure of the basic unit contains the following basic menu items Menu item Explanation Start Start a measurement Off Switching off Analyzer Settings Setting QR code Setting language Setting brightness Setting volume Setting Off time Service Status vales Battery USB Info Information about the analyser Sensor specific menu items are explained in the corresponding expla...

Page 14: ...ttery The battery can be charged as follows With optional mains plug via the USB socket With a USB cable on the PC via the USB socket The battery symbol displays the capacity of the battery The indicator changes its colour from green to orange to red 4 3 Switching on the analyser Press and hold the OK key for at least 3 seconds The MRU start screen appears A display for inserting an interchangeabl...

Page 15: ...nterchangeable sensor Sensor specific menu items are explained in the corresponding explanation of the respective interchangeable sensor Switch on the analyser The analyser indicates that an interchangeable sensor is missing Press OK Choose Settings A selection list appears Choose the desired setting Setting options for QR code The analyser uses the QR code to transmit a simple measurement pro toc...

Page 16: ...rtphone PC automatically makes an e mail draft Off The measurement is not protocolled Choose QR Code Press OK Choose the desired option Press OK The option is saved Setting language Choose Language Press OK Choose the desired option Press OK The desired language is saved Setting brightness ...

Page 17: ...olume level The desired volume is saved Setting Off time Choose Off time Press OK Select the desired time period The desired time period is saved If no input command is received within the desired time period the analyser switches off automatically 10 seconds before the desired time period expires a countdown appears in the display Press a button before the countdown expires The analyser remains s...

Page 18: ...witching off the analyser There are two possibilities to switch off the analyser Select Off Press OK The analyser switches off Alternatively you can switch off the analyser as follows Press and hold the OK key for at least 3 seconds The analyser switches off ...

Page 19: ...ble sensors Some interchangeable sensors do not require a screwed on probe tube The analyser automatically detects whether a probe tube needs to be screwed on The analyser will display a corresponding message Use interchangeable sensor without probe tube Insert the desired interchangeable sensor into the sensor con nector Make sure that the interchangeable sensor clicks into place audibly Switch o...

Page 20: ...ay for approx 5 Seconds A message Attach the probe tube appears Depending on the interchangeable sensor a warm up phase appears An animation for attaching the probe tube appears Screw the probe tube onto the base unit A fan symbol appears in the display Set alarm mode The analyser can indicate an exceeding of the set alarm thresholds by an acoustic signal as well as by vibration You can set how th...

Page 21: ... HC402 are gas sensors which are used for leak detection on gas lines in non explosive environ ments You can use the interchangeable sensor HC400 to detect CH4 methane HC401 to detect CH4 methane and C3H8 propane HC402 to detect CH4 methane C3H8 propane and H2 hydrogen Using the interchangeable sensor HC402 as an example the following shows how to start and configure a measurement Starting detecti...

Page 22: ...nalyser automatically switches to the measuring mode The measurement starts Guide slowly the interchangeable sensor along the areas to be tested If there is a leakage the value changes The process is displayed graphically Optical and acoustic alarm signals indicate gas leakage ...

Page 23: ...are described Setting Zeropoint Leave the analyser in good fresh air for five minutes if possible without changing the temperature Now you can take a zero point You can re peat a zeroing as often as you like Select Set Zero Press OK A window appears Zero point is set automatically Press OK The menu Extras appears Selecting gas Select Select Press OK Choose the desired gas Press OK The desired gas ...

Page 24: ...K Choose the desired gas Press OK A window appears Set the desired alarm threshold Press OK The alarm threshold is changed Select Back Press OK The menu Extras appears Setting unit Select Unit Press OK Choose the desired gas Press OK The unit is changed Select Back Press OK The menu Extras appears ...

Page 25: ...tive sensor surface Starting measurement DANGER Risk due to improper use Fatal accidents may occur if the measurement rules are disregarded Only use the measuring device to locate gas leaks in the installation area For measurement the sensor surface must be dry and at room tempera ture Plug the desired interchangeable sensor into the sensor connection See also chapter Use interchangeable sensor wi...

Page 26: ...of the measured gas concentration Configuring measurement For settings that can be made on the basic unit See also chapter 4 4 Make settings on the basic unit S 15 Setting Zeropoint Select Set Zero Press OK A window appears Zero point is set automatically Press OK The menu Extras appears 5 4 Measuring with interchangeable sensor HM400 The interchangeable sensor HM400 is used to measure ambient par...

Page 27: ...measurement starts Configuring measurement For settings that can be made on the basic unit See also chapter 4 4 Make settings on the basic unit S 15 In the following only sensor specific settings are described Selecting measured values With the interchangeable sensor HM400 it is possible to display all measured values on the display However you also have the option of displaying a single measured ...

Page 28: ...saved The menu Extras appears Setting unit Select Unit Press OK Choose the desired measured value Press OK The unit is changing Select Back The desired unit is saved The menu Extras appears The following setting are possible Criterion Adjustable units Humidity relative g m3 absolut Dew point C F Air pressure abs hPa inHG mmHG mmH2O Temperature C F ...

Page 29: ...ble sensor without probe tube Page 19 In the Display IR400 appears The measurement starts Guide slowly the interchangeable sensor along the areas to be tested The measuring distance depends on the size of the surface to be measured The measurement becomes more accurate when you go close to the surface The minimum distance is approx 1 2 cm The measurement process is displayed graphically Visual and...

Page 30: ...als with low reflective surfaces such as wood stone and concrete and are well suited for IR measurement However metals especially those with polished or shiny surfaces can have an emissivity of 0 1 and are poorly suited for IR measurement Set the corresponding emissivity before the measurement Otherwise there may be large deviations in the measurement Emissivity of important materials Material emi...

Page 31: ...ct the desired emissivity Press Ok The desired emissivity is saved The menu Extras appears Setting alarm threshold Select Alarm Press OK Set the desired alarm threshold Press OK The alarm threshold is saved The menu Extras appears Setting unit Select Unit Press OK The unit is changing ...

Page 32: ...he analyser automatically switches to the measuring mode The detection starts NOTE With the RF400 interchangeable sensor you have the option of switching between two display modes Detection mode bar display optimised for fast re sponse for rough location of a leak Search mode PPM display to determine the exact position and to evaluate the leakage NOTE Use of test leaks The suction must touch the e...

Page 33: ...eakage Configuring detection For settings that can be made on the basic unit See also chapter 4 4 Make settings on the basic unit Page 15 In the following only sensor specific settings are described Setting Zeropoint Leave the analyser in good fresh air for five minutes if possible without changing the temperature Now you can take a zero point You can re peat a zeroing as often as you like Select ...

Page 34: ...ulm Press OK Choose the desired refrigerant Press OK The desired refrigerant is saved The menu Extras appears Setting alarm threshold Select Alarm Press OK Set the desired alarm threshold Press OK The alarm threshold is saved The menu Extras appears ...

Page 35: ...ars After the warm up the analyser automatically switches to the measuring mode The measurement starts Slowly guide the sensor to the location to be tested The measurement process is displayed graphically Visual and audible alarms indicate the escape of CO carbon monoxide The flashing frequency of the red LED in the sensor foot increases with the increase of the measured gas concentration Configur...

Page 36: ...like Select Set Zero Press OK A window appears Zero point is set automatically Press OK The menu Extras appears Setting alarm threshold Select Alarm Press OK Set the desired alarm threshold Press OK The alarm threshold is saved The menu Extras appears NOTE Pay attention to the unit for which you set an alarm threshold for the interchangeable sensor CO400 You can select CO ppm or CO mg m If necessa...

Page 37: ...User manual 500GD MRU GmbH D 74172 Neckarsulm 37 52 Setting unit Select Unit Press OK The unit is saved ...

Page 38: ...nterchangeable sensor into the sensor connection See also chapter Use interchangeable sensor without probe tube Page 19 In the Display CD400 appears After the warm up the analyser automatically switches to the measuring mode The measurement starts Configuring measurement For settings that can be made on the basic unit See also chapter 4 4 Make settings on the basic unit S 15 In the following only ...

Page 39: ...50 500ppm is displayed in fresh air due to ageing or environmental conditions Leave the analyser in good fresh air for five minutes if possible without changing the temperature Now you can take a zero point You can re peat a zeroing as often as you like Select Set Zero Press OK A window appears Zero point is set automatically Setting alarm threshold Select Alarm Press OK Set the desired alarm thre...

Page 40: ...e Press OK The measurement window is closed Logging is interrupted Select QR Code A window with the QR code appears Scan the QR code Use a smartphone Any smartphone camera applications can scan QR codes e g Apple Huawei This Android app works well to Barcode Scanner Developer ZXing Team The measuring protocol is exported according to the set options See also chapter Setting options for QR code pag...

Page 41: ...t Info Press OK The menu Info appears Device information of the basic device is displayed Press OK The menu Extras appears 6 2 Display sensor information In the menu Sensor you can among others view the firmware version of the interchangeable sensor that is plugged in Select Sensor Press OK The menu Sensor appears Information of the interchangeable sensor is displayed Press OK The menu Extras appe...

Page 42: ...tion www mru eu 7 2 Care This is a low maintenance analyser If not used for a long time charge the battery approx every six months 7 3 Sensor specific care instructions RM400 NOTE The interchangeable sensor RM400 functions on the ba sis of a conductive sensor surface Do not clean with alcohol or distilled water If necessary clean the sensor surface with saline water Let the sensor surface dry afte...

Page 43: ...g on sensor type used Li Ion typ 5h 20h Power supply 100 240 V 5V DC 500 mA Weight ca 220g Dimensions without gooseneck 50 x25 x163 mm Housing material PA6GF30 IP degree of protection IP30 Display 45 mm 1 8 TFT Interface for battery charging and SW update function Mini USB Alarm optical acoustic vibration Supported languages V1 00 40 English German Italian French Czech Romanian Spanish Hungarian D...

Page 44: ...est gas 1000ppm CH4 50 r H Heat up time 30 s Operating temperature 5 C 50 C Storage Temperature 20 C 60 C Expected lifetime under normal use years 1 5 Size 62mm x 13 5mm Interchangeable Sensor HC401 Nr 11591 The interchangeable sensor HC401 does not respond to sealing paste like neo fermit or plastic fermit Specification Values Calibration Gas CH4 C3H8 Measuring Range CH4 0 44000 ppm Measuring Ran...

Page 45: ...t Specification Values Calibration Gas CH4 C3H8 H2 Measuring Range CH4 0 44000 ppm Measuring Range C3H8 0 17000 ppm Measuring Range H2 0 40000 ppm Resolution 1 ppm Response Time until Alarm 3s Operating principle Gas sensitive semiconductor Cross sensitivities Alcohol CxHy solvent Recommended test interval weekly Test gas 1000ppm CH4 50 r H Heat up time 30s Operating temperature 5 C 50 C Storage T...

Page 46: ...e temperature 20 C 60 Expected lifetime under normal use years 5 Size 89 x 13 5mm Interchangeable Sensor IR400 Nr 12121 Specification Values Measuring range temperature 70 380 C Resolution 0 1 C FOV Fieled of View 35 IR Optics 1 6 1 Accuracy 2 C 70 0 C 0 5 C 0 60 C 2 C 60 180 C 4 C 180 380 C Operating principle Thermopile Operating temperature 5 C 50 C Storage Temperature 20 C 60 Expected lifetime...

Page 47: ... Operating principle Capacitive Temperature Range 0 60 C Resolution 0 1 C Accuracy 1 C Typ 3 C Max Operating principle Silicon bandgap Ambient pressure Range 300 1100hPa Resolution 0 1hPa Accuracy 1hPa Typ 3hPa Max Dewpoint calculated from temperature and hu midity 0 5 C Operating temperature 5 C 50 C Storage Temperature 20 C 60 C Expected lifetime under normal use years 5 Size 62mm x 13 5mm ...

Page 48: ... R422 R427 R448a R449a R450a R452a R452b R454 R513a R600 a R1150 R1234yf R1270 Response threshold R134a 1g a Response Time until Alarm with R134a 1 1 5s Recovery Time 80s Operating principle Gas sensitive semiconductor Cross sensitivities Alcohol CxHy solvent FCKW HFCKW FKW HFKW HFO Conform to EN14624 2020 Heat up time 55 s Operating temperature 5 C 50 C Operating conditions humidity 20 RH 80 RH S...

Page 49: ...ng 15 95 RH Air pressure 900 1100 hPa Storage Temperature 20 C 50 Expected lifetime under normal use years 4 Recommended calibration frequency Yearly Size 71 x 20 5 x16 5mm Interchangeable sensor CD400 Nr 12623 Specification Values CO2 Range 400 10000 ppm Resolution 1ppm Temperature stability 2 5 ppm C Accuracy 50 ppm 3 Measured value Response Time T90 90s Operating principle NDIR Heat up time 90s...

Page 50: ...User manual 500GD 50 52 MRU GmbH D 74172 Neckarsulm 8 3 Service menu The service menu is for authorized personnel only and is password protected ...

Page 51: ...User manual 500GD MRU GmbH D 74172 Neckarsulm 51 52 9 Declaration of conformity ...

Page 52: ......

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