H60.0.11.6C-16 Operating Manual GMH 3830 Page 3 of 18 _____________________________________________________ _____________________________________________________________________________ 1 General advice Read through this document attentively and make yourself familiar to the operation of the device before you use it. Keep this document in a ready-to-hand way in order to be able to look up in the case of doubt.
H60.0.11.6C-16 Operating Manual GMH 3830 Page 4 of 18 _____________________________________________________ _____________________________________________________________________________ 3 Product description 3.1 Scope of delivery GMH 3850 9V battery type IEC 6F22 Operating Manual 3.2 Operating and Maintenance 1. Battery Operation The battery has been used up and needs to be replaced, if “bAt“ is shown in lower display. The device will, however, continue operating correctly for a certain time.
H60.0.11.6C-16 Operating Manual GMH 3830 Page 5 of 18 _____________________________________________________ _____________________________________________________________________________ 3.4 Connections Output: Operation as interface: Connect to optically isolated interface adapter (accessory: GRS 3100, GRS3105 or USB3100) Operation as analogue output: Connection via suitable cable. Attention: The output mode has to be configured (p.r.t 2.7)
H60.0.11.6C-16 Operating Manual GMH 3830 Page 6 of 18 _____________________________________________________ _____________________________________________________________________________ 4 Device Configuration For configuration of the device press "Menu"-key (key 4) for 2 seconds, the first menu will be shown. Choose between the individual values that can be set by pressing the "Menu"-key (key 4) again.
H60.0.11.6C-16 Operating Manual GMH 3830 Page 7 of 18 _____________________________________________________ _____________________________________________________________________________ 5 Some basics of precision material moisture measuring 5.1 Moisture Content u and Wet-Basis Moisture Content w Depending on the Application one of the two units is necessary. Carpenters, joiners and the like commonly use the moisture content u (sometimes referred to as MC).
H60.0.11.6C-16 Operating Manual GMH 3830 Page 8 of 18 _____________________________________________________ _____________________________________________________________________________ 5.5 Measuring In Wood: Measuring With Two Measuring-Needles Normally wood is measured with measuring-needles. Used electrodes: impact-electrode GSE91 or GSG91, reciprocating piston electrode GHE91. For measuring wood, punch in the measuring-needles across to the wood-grain, having a good contact between the needles and the wood (measuring along wood-grain deviates minimal) Select correct wood-sort (refer to Appendix A).
H60.0.11.6C-16 Operating Manual GMH 3830 Page 9 of 18 _____________________________________________________ _____________________________________________________________________________ 5.7 Measuring of materials, having no characteristic curves stored Choose the representative universal material group „h.A“, „h.b“, „h.c“ and „h.d“(for example corresponding to A,B,C and D of the GHH91) if a conversion table exists.
H60.0.11.6C-16 Operating Manual GMH 3830 Page 10 of 18 _____________________________________________________ _____________________________________________________________________________ 7 Output The output can be used as serial interface (for GRS3100 or GRS3105 interface adapters) or as analogue output (0-1V). If none of both is needed, we suggest to switch the output off, battery life then is extended.
H60.0.11.6C-16 Operating Manual GMH 3830 Page 11 of 18 _____________________________________________________ _____________________________________________________________________________ 9 Fault and System Messages Display Meaning Remedy Blinking curve display: Displayed value is out of Limited measuring precision! specified range (Wood: 8..40%u) The display value is only usable as indication,...
H60.0.11.6C-16 Operating Manual GMH 3830 Page 12 of 18 _____________________________________________________ _____________________________________________________________________________ 12 Specification Measuring Channel1 Channel2 Principle Resistive material-moisture-measuring Temperature-measuring thermocouple type K matching DIN EN 13183-2: 2002 or internal temperature-measuring Char. curves 466 different kinds of wood matching DIN EN 60584-1: 1996, ITS90...
H60.0.11.6C-16 Operating Manual GMH 3830 Page 13 of 18 _____________________________________________________ _____________________________________________________________________________ 14 Appendix A: Sorts of wood Select kind of wood you want to measure, enter number on the device, e.g. birch = h. 60 Identification Number Comment Range Wood-group A (equal to GHH91 selector “A”) Group A h.
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H60.0.11.6C-16 Operating Manual GMH 3830 Page 14 of 18 _____________________________________________________ _____________________________________________________________________________ Blackwood Acacia melanoxylon h.64 6..97% Cypress, Northern Callitris intratropica h.115 6..100% Bloodwood, Red Corymbia gunmifera h.66 7..100% Cypress, Rottnest Island Callitris preisii h.116 7..100% Bollywood h.67 Cypress, White h.117 Litsea reticulata 5..100%...
H60.0.11.6C-16 Operating Manual GMH 3830 Page 18 of 18 _____________________________________________________ _____________________________________________________________________________ 15 Appendix B: Additional materials Select material you want to measure, enter number on the device, e.g. concrete b25 = b. 6 15.1 Measuring of building materials Material Number Range Concrete Concrete 200kg/m³...
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