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Summary of Contents for mru 400GD
- Page 1 400GD USER MANUAL HC40X RM400 IR400 RF400 CO400 CD400 6812EN...
- Page 2 User manual 400GD Manufacturer: Legal notices / Intellectual property rights comments Original user 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.
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Page 3: Table Of Contents
User manual 400GD Table of content Information for product and safety ..........6 1.1. Safety manual ....................6 1.2. Safety precautions ..................6 Introduction ..................7 2.1. Intended use ....................7 2.2. About us ......................8 Description ..................10 3.1. - Page 4 User manual 400GD Selecting measured values ................24 Setting unit ......................24 5.5. Measuring with interchangeable sensor IR400 ....... 25 Starting measurement ..................25 Configuring measurement ................26 Setting emissivity ....................26 Setting alarm threshold ..................27 Setting unit ......................27 5.6.
- Page 5 User manual 400GD Interchangeable Sensor HM400 (Nr.11922) ..........40 Interchangeable Sensor RF400 (Nr.11900) ..........41 Interchangeable sensor CO400 (Nr.12130) ..........42 Interchangeable sensor CD400 (Nr.12623) ..........42 7.3. Service menu ....................43 Declaration of conformity ............. 44 5 / 45...
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Page 6: Information For Product And Safety
User manual 400GD Information for product and safety 1.1. Safety manual All general information and safety precautions of MRU products are listed in the supplied separate safety manual. Therefore, this manual must be read and observed before the first use of the analyser. -
Page 7: Introduction
• Pay special attention to the security and warning precautions, in order to prevent injuries and product damages. • MRU can’t be held responsible for damages or injuries, by not follow- ing the instructions in this manual. • Always keep this user manual near you, when working with the analyser, to be able to read instructions as needed. -
Page 8: About Us
Modifications or changes to the measuring device 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. - Page 9 User manual 400GD 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...
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Page 10: Description
User manual 400GD Description 3.1. Purpose The main purpose of the analyser in combination with various inter- changeable sensors is the detection of gases and exhaust gases in gas and heating installations. For example, checking of: • freely laid gas pipelines •... -
Page 11: The Analyser
User manual 400GD 3.2. The Analyser The analyser consists of a compact and robust glass-fibre reinforced plastic housing. Flexible arm 2 Display Keypad 4 Mini-USB port Sensor connector 3.3. User interface All functions are selected from the analyser display. Operation and navigation are carried out via a keypad. -
Page 12: Menu Structure
User manual 400GD 3.4. Menu structure All functions are available in the menu EXTRAS. The menu structure is dynamic. The menu structure changes depending on the inserted interchangeable sensor. Without inserted interchangeable sensor the menu structure of the basic unit contains the following basic menu items:... -
Page 13: Operation
Switching on the analyser 4.3. Press and hold the OK key for at least 3 seconds. The MRU start screen appears. A display for inserting an interchangeable sensor appears. NOTE If you switch on the analyser for the first time, a screen for setting the language appears. -
Page 14: Make Settings On The Basic Unit
User manual 400GD The measurement menu is being displayed after warmup. The analyser is ready to measure. 4.4. Make settings on the basic unit The menu structure is dynamic. The menu structure changes depending on the inserted interchangeable sensor. In the following, only settings are shown that can be carried out on the basic unit without am inserted interchangeable sensor. -
Page 15: Setting Language
User manual 400GD 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. -
Page 16: Setting Volume
User manual 400GD ► Select the desired brightness level. The desired brightness level is saved. Setting volume ► Choose “Volume”. ► Press “OK”. ► Select the desired volume level. The desired volume is saved. Setting Off time ► Choose “Off time”. -
Page 17: Switching Off The Analyser
User manual 400GD 4.5. Switching 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. -
Page 18: Measuring
User manual 400GD Measuring DANGER Danger when used improperly Deadly accidents can be the result if the rules are not obeyed. The analyser may only be used for its intended purpose. DANGER Explosion danger in EX zones There is a possibility of explosion in an EX-zone. -
Page 19: Starting Measurement
User manual 400GD 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. After switching on, the LED on the interchangeable sensor flashes. -
Page 20: Configuring Measurement
User manual 400GD Configuring measurement For settings that can be made on the basic unit ☞ see 4.4 Make settings on the basic unit, Page 14. In the following, only sensor-specific settings are described. Setting Zeropoint ► Select „Set Zero“. -
Page 21: Setting Alarm Threshold
User manual 400GD Setting alarm threshold ► Select „Alarm“. ► Press „OK“. ► Choose the desired gas. ► Press „OK“. ► Set the desired alarm threshold. ► Press “OK” The alarm threshold is saved. Setting unit ► Select „Unit“. -
Page 22: Measuring With Interchangeable Sensor Rm400
User manual 400GD 5.3. Measuring with interchangeable sensor RM400 The interchangeable sensor RM400 is used for leak detection on flue gas pipes. The interchangeable sensor RM400 functions on the basis of a conductive sensor surface. Starting measurement DANGER Risk due to improper use Fatal accidents may occur if the measurement rules are disregarded. -
Page 23: Configuring Measurement
User manual 400GD ► Guide slowly the interchangeable sensor along the areas to be tested. If there is a leakage, the measured value changes. The measurement process is displayed graphically. Optical and acoustic alarm signals indicate gas leakage. -
Page 24: Configuring Measurement
User manual 400GD Configuring measurement For settings that can be made on the basic unit ☞ see 4.4.Make settings on the basic unit, S.14 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. -
Page 25: Measuring With Interchangeable Sensor Ir400
User manual 400GD The following setting are possible: Criterion Adjustable units Humidity % (relative), g/m (absolut) Dew point ° C, ° F Air pressure abs. hPa, inHG, mmHG, mmH Temperature ° C, ° F 5.5. Measuring with interchangeable sensor IR400 The interchangeable sensor IR400 is used for non-contact temperature measurement. -
Page 26: Configuring Measurement
User manual 400GD The flashing frequency of the red LED in the sensor foot increases with a measurement above the set alarm threshold. Configuring measurement For settings that can be made on the basic unit ☞ see 4.4.Make settings on the basic unit, S.14 In the following, only sensor-specific settings are described. -
Page 27: Setting Alarm Threshold
User manual 400GD ► Select „Emissivity“. ► Press „OK“. ► Select the desired emissivity. ► Press „Ok“. The desired emissivity is saved. Setting alarm threshold ► Select „Alarm“. ► Press „OK“. ► Set the desired alarm threshold. ► Press „OK“. -
Page 28: Measuring With Interchangeable Sensor Rf400
User manual 400GD ► Select “Unit”. ► Press “OK”. The unit is changing. 5.6. Measuring with interchangeable sensor RF400 The interchangeable sensor RF400 is used for leak detection on air conditioners. NOTE Use of test leaks • The sensor must touch the exit of the test leak. -
Page 29: Configuring Measurement
User manual 400GD Optical and acoustic alarm signals indicate gas leakage. The flashing frequency of the red LED in the sensor foot increases with the increase of the measured gas concentration. Configuring measurement For settings that can be made on the basic unit ☞... -
Page 30: Setting Alarm Threshold
Refrigerants that are not marked are referenced and calibrated To select all refrigerants, you need the following firmware: • For interchangeable sensor RF400 from V1.00.15 • For basic unit 400GD from V1.00.33 Setting alarm threshold Select „Alarm“. ► Press „OK“. -
Page 31: Configuring Measurement
User manual 400GD 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). -
Page 32: Setting Alarm Threshold
User manual 400GD Setting alarm threshold ► Select „Alarm“. ► Press „OK“. ► Set the desired alarm threshold. ► Press „OK“. The alarm threshold is saved. NOTE Pay attention to the unit for which you set an alarm threshold for the interchangeable sensor CO400. -
Page 33: Measuring With Interchangeable Sensor Cd400
User manual 400GD 5.8. Measuring with interchangeable sensor CD400 The interchangeable sensor CD400 is used for monitoring the CO -con- centration in the ambient air. Starting measurement After switching on, the LED on the interchangeable sensor flashes. In the Display "CD400" appears. -
Page 34: Setting Zeropoint
User manual 400GD Setting Zeropoint When taking a zero point, the measured CO -value is set to 400ppm. When the analyser is switched on, no new zero point is taken. You can set a new zero, if it no longer 400ppm (350...500ppm) is displayed in fresh air due to ageing or environmental conditions. -
Page 35: Transporting Measurement Protocol
User manual 400GD 5.9. Transporting measurement protocol You can create a measurement protocol of the current measurement using the QR code export. To be transmitted: • sensor name • sensor serial number • min. / max. Values • duration of measurement The following section describes how to export a measurement protocol using the IR400 interchangeable sensor as example. -
Page 36: Maintenance And Care
Maintenance and care 6.1. Maintenance For accurate reading we suggest an annual service and calibration of the an- alyser at a local authorized service location (www.mru.eu). 6.2. Care This is a low maintenance analyser: Charge the battery if the analyser will not be used for a longer period, then recharge the batteries every 6 months. -
Page 37: Appendix
User manual 400GD Appendix 7.1. Technical data 400 GD Specification Values Operating temperature +5°C ... +50 °C Rel. Humidity, non-condensing 0…95% Storage Temperature -20°C ... +60°C Li-Ion internal battery pack, operat- Li-Ion ing hours (depending on sensor typ. 20h type used) -
Page 38: Interchangeable Sensors
User manual 400GD 7.2. Interchangeable Sensors Interchangeable Sensor HC400 (Nr.11138) Specification Values Calibration Gas Measuring Range CH 0… 44000 ppm Resolution 1 ppm Response Time (until Alarm) ≤5 s (400GD) Operating principle Gas-sensitive semiconductor Cross sensitivities Alcohol, CxHy, solvent Recommended test... -
Page 39: Interchangeable Sensor Hc402 (Nr.11733)
User manual 400GD Expected lifetime under normal use 1…5 [years] Size 62mm x 13,5mm Interchangeable Sensor HC402 (Nr.11733) Specification Values Calibration Gas Measuring Range CH 0 ... 44000 ppm Measuring Range C 0 ... 17000 ppm Measuring Range H 0 ... 40000 ppm... -
Page 40: Interchangeable Sensor Ir400 (Nr.12121)
User manual 400GD 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 +-2°C (-70...0°C) +-0.5°C (0...60°C) Accuracy +-2°C (60...180°C) +-4°C (180...380°C) Operating principle Thermopile Operating temperature +5°C ... +50 °C Storage Temperature -20°C ... -
Page 41: Interchangeable Sensor Rf400 (Nr.11900)
400GD Firmware V1.00.33 R422, R427, R448a, R449a, R450a, R452a, R452b, R454, R513a, R600(a), R1150, R1234yf, R1270 Response threshold (R134a) ≤ 5g/a (400GD) Response Time (until Alarm with R134a) ≤ 4s (400GD) Recovery Time 18s (400GD) Gas-sensitive Operating principle semiconductor Alcohol, CxHy, solvent... -
Page 42: Interchangeable Sensor Co400 (Nr.12130)
User manual 400GD Interchangeable sensor CO400 (Nr.12130) Specification Values Calibration Gas Measuring range 0 – 1000 ppm Resolution 1 ppm Accuracy abs. / reading ±10 ppm / 5% <30s Response Time (T90) Operating principle electrochemical sensor Operating temperature +0°C ... +50°C Rel. -
Page 43: Service Menu
User manual 400GD 7.3. Service menu The service menu is for authorized personnel only and is password protected. 43 / 45 MRU GmbH, D-74172 Neckarsulm... -
Page 44: Declaration Of Conformity
User manual 400GD Declaration of conformity 44 / 45 MRU GmbH, D-74172 Neckarsulm...
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