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Summary of Contents for GHM GREISINGER GMH 3331
- Page 1 Operating manual GMH 3331 Digital precision handheld measuring device...
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Page 2: Table Of Contents
Table of contents Table of contents About this documentation ......................... 4 Foreword............................... 4 Purpose of the document........................ 4 Legal notices............................ 4 Correctness of content.......................... 4 Layout of this document........................ 4 Further information .......................... 5 Safety .............................. 6 Explanation of safety symbols ...................... 6 Foreseeable misuse .......................... - Page 3 Table of contents Operation and maintenance ...................... 21 Operating and maintenance notices .................... 21 Battery .............................. 21 7.2.1 Battery indicator.......................... 21 7.2.2 Changing battery .......................... 21 Relative air humidity measurement adjustment.................. 22 7.3.1 General information for adjustment .................... 22 7.3.2 Automatic adjustment .........................
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Page 4: About This Documentation
1 | About this documentation GMH 3331 1 About this documentation 1.1 Foreword Read this document carefully and familiarise yourself with the operation of the product before you use it. Keep this document ready to hand and in the immediate vicinity of the product so that it is available to the personnel/user for reference at all times in case of doubt. -
Page 5: Further Information
GMH 3331 About this documentation | 1 Prerequisite All mandatory prerequisites are then listed for each step. Instruction Tasks to be carried out by the personnel / user are represented as numbered instruc- tions. Adhere to the sequence of the specified instructions. Representation Shows an illustrative instruction or a configuration of the product. -
Page 6: Safety
2 | Safety GMH 3331 2 Safety 2.1 Explanation of safety symbols DANGER This symbol warns of imminent danger which can result in death, severe bodily injury, or severe property damage in case of non-observance. CAUTION This symbol warns of potential dangers or harmful situations which can cause damage to the device or to the environment in case of non-observance. -
Page 7: Intended Use
GMH 3331 Safety | 2 CAUTION Erratic behaviour! On suspicion that the product can no longer be operated without danger, it must be decommissioned and prevented from recommissioning with appropriate labelling. The safety of the user can be impaired by the device if, for example, if it shows visible damage, it no longer works as specified or if it was stored for an extended period of time under unsuitable conditions. -
Page 8: Description
3 | Description GMH 3331 3 Description 3.1 Scope of delivery Please check to ensure the completeness of the product after opening the package. You should find the following components: – Handheld measuring device, ready for operation, including battery – Operating manual 3.2 Functional description The product is a universal precision hygrometer/thermometer with flow meter and ad- ditional thermocouple input in a single device. -
Page 9: The Product At A Glance
GMH 3331 The product at a glance | 4 4 The product at a glance 4.1 The GMH 3331 LCD Display GMH 3331 4.2 Display elements Upper display bar Humidity calibration If humidity calibration is in progress, an arrow ap- pears under CAL Unit The flow speed is displayed in m/s in the main dis-... -
Page 10: Operating Elements
4 | The product at a glance GMH 3331 An arrow indicates which value is displayed in the secondary display kJ/kg Enthalpy Kilojoules per kilogramme ΔTd Dewpoint distance T2 - Td Dewpoint temperature of Unit in °C or °F the air Surface temperature Unit in °C or °F Temperature of the TFS... -
Page 11: Connections
GMH 3331 The product at a glance | 4 4.4 Connections Output OUT Connection for galvanically isolated interface ad- apter e.g. GRS 3100, GRS 3105, USB 3100 Analogue output (only GMH 3351) The 3rd contact has to be left floating! Only stereo plugs are allowed! Sensor connection TFS 0100E, air humidity and temperature T1... - Page 12 4 | The product at a glance GMH 3331 Representation Outcome of an action The product can be positioned ideally so that the display can always be read clearly and easily depending on its use. 12 / 32 B-H77.0.01.DB2-1.0...
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Page 13: Operation
GMH 3331 Operation | 5 5 Operation 5.1 Commissioning 5.1.1 Explanation Description The product is switched on with the On/Off button. It may be necessary to configure the product after switching on. See Configuration [} p. 13]. Prerequisite – Press the On/Off button. Instruction Outcome of an action Information about the configuration of the product appears in the display. -
Page 14: Configuring Parameters Of The Configuration Menu
5 | Operation GMH 3331 NOTE If the product is switched off without saving the configuration, the last save value is re- produced on the next start-up of the product. 5.2.3 Configuring parameters of the configuration menu Description – The Configuration menu is open. See Opening the configuration menu. Prerequisite Instruction 1. - Page 15 GMH 3331 Operation | 5 Sensor calibration SET [ORR Sensor calibration T1 zero point shift only with TFS 0100E OFS.1 -10.0 °[ .. 10.0 °[ -18.0 °F .. 18.0 °F Deactivated T2 zero point shift OFS.2 -10.0 °[ ... 10.0 °[ -18.0 °F ..
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Page 16: Bases For Measurement
6 | Bases for measurement GMH 3331 6 Bases for measurement 6.1 Special functions Zero point shift A zero point shift can be made for each of the two temperature channels T1 (only TFS0100) and T2. Formula Displayed temperature = measured temperature - zero point shift Standard setting is off. -
Page 17: Environmental Temperature T1
GMH 3331 Bases for measurement | 6 6.2.2 Environmental temperature T1 Temperature measured in the probe tip. 0.1°C or 0.1°F resolution. Additional display values are calculated according to the Mollier diagram of the product: 6.2.3 Dewpoint temperature Td Cold air can absorb less water vapour than warm air. Consequently, as the temperat- ure decreases, the relative air humidity increases. -
Page 18: Averaging Processes For Flow Measurement
6 | Bases for measurement GMH 3331 – STS 020 measures the flow of air When used incorrectly, the measurement result is unusable! Observe maximum measuring ranges! – STS 005: 0.05 .. 5.00 m/s (water) – STS 020: 0.5 .. 20.00 m (air) Higher speeds can destroy the measuring head or at least permanently impair the measuring accuracy. -
Page 19: Interface
GMH 3331 Bases for measurement | 6 6.4.1 Interface The product can be connected directly to a USB interface of a PC with a galvanically isolated interface converter. Transmission takes place in a binary coded format and is protected against transmission errors with elaborate safety mechanisms (CRC). Software: –... - Page 20 6 | Bases for measurement GMH 3331 Channel 1 Relative air humidity Channel 2 Temperature T1 Channel 3 Temperature T2 Channel 4 Dewpoint temperature Td Channel 5 Dewpoint distance Δ Td Channel 6 Enthalpy h STS 005 / 020 Channel 1 Flow speed Channel 2 Not supported.
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Page 21: Operation And Maintenance
GMH 3331 Operation and maintenance | 7 7 Operation and maintenance 7.1 Operating and maintenance notices NOTE Plugs and sockets must be protected from soiling. NOTE If the product is stored at a temperature above 50 °C, or is not used for an extended period of time, the batteries must be removed. -
Page 22: Relative Air Humidity Measurement Adjustment
7 | Operation and maintenance GMH 3331 7.3 Relative air humidity measurement adjustment Due to the natural ageing of the polymer humidity sensor of the TFS 0100E, readjust- ment the probe at least once annually is recommended in order to guarantee optimal measurement accuracy. -
Page 23: Automatic Adjustment
GMH 3331 Operation and maintenance | 7 – Temperature T1 does not change by more than 0.5 °C within 20s. 7.3.2 Automatic adjustment Description If the preset humidity standards are used, automatic adjustment must be selected. General information for adjustment [} p. 22] Prerequisite –... -
Page 24: Certificates
7 | Operation and maintenance GMH 3331 NOTE Adjustment can be interrupted at any time with the set button. In this case, the existing adjustment remains in effect. If you press and hold the cal button for 10 seconds, the device will be reset to the factor adjustment. - Page 25 GMH 3331 Operation and maintenance | 7 NOTE The DAkkS calibration is based on DIN EN ISO/17025, the accreditation basis recog- nised worldwide. These certificates offer high-quality calibration and consistently high quality. DAkkS calibration certificates can only be issued by accredited calibration laboratories which have demonstrated their expertise in accordance with DIN EN ISO/ IEC 17025.
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Page 26: Error And System Messages
8 | Error and system messages GMH 3331 8 Error and system messages Display Meaning Possible causes Remedy No probe or sensor Sensor or probe Connect sensor or probe SENS ERRO connected missing Connect different sensor or Sensor or probe de- Defective sensor or probe fect... -
Page 27: Disposal
Please dispose of empty batteries at the collection points intended for this purpose. NOTE Fill in the return form available from the information base online at www.ghm-group.de and sent it in with the product. B-H77.0.01.DB2-1.0 27 / 32... -
Page 28: Technical Data
10 | Technical data GMH 3331 10 Technical data Measuring ranges Humidity 0.0 .. 100.0 % relative air humidity with probe TFS Room temperature (T1) -40.0 .. +120.0 °C 0100E Surface temperature (T2) -80.0 .. +250.0 °C Calculated vari- Dewpoint temperature -40.0 .. - Page 29 GMH 3331 Technical data | 10 EN 61326-1:2013 Emission limits: Class B Immunity according to Table 1 Additional error: < 1 % FS EN 50581:2012 B-H77.0.01.DB2-1.0 29 / 32...
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Page 30: Spare Parts And Accessories
USB 3100 N Interface converter, galvanically isolated 601336 GSOFT 3050 Software for adjustment, reading data and printing the stored logger data of products of the GHM 3000 series with logger function 601132 GOF 400VE Quick-response surface probes for walls, floors etc. -
Page 31: Service
93128 Regenstauf | GERMANY Tel: +49 94029383-39 Fax: +49 94029383-33 service@greisinger.de NOTE Fill in the return form available from the information base online at www.ghm-group.de and sent it in with the product. 12.3 Sales offices North Sales Office Post code: 00000 –... -
Page 32: Sales Subsidiaries
12.4 Sales subsidiaries Austria Brazil & Latin America Czech Republic / Slovakia GHM Messtechnik GmbH GHM Messtechnik do Brasil Ltda GHM Greisinger s.r.o. Office Austria Av. José de Souza Campos, 1073, cj 06 Ovci hajek 2 / 2153 Breitenseer Str. 76/1/36...
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