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you the optimum system for your individual application
Please describe us your requirements, our team will contact you as soon as possible.

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GMH 3831 - Details

Home --> Temperature and Humidity --> Material Moisture Measurement --> Material Moisture Devices


GMH 3830 + GMH 3851 resistive material moisture measuring instrument for professional applications - Greisinger electronic -



precision material moisture measuring device

for wood, building materials, straw, hay, paper, textiles, etc.

certified for MPA,
permitted for glued timer construction acc. to DIN 1052-1

 

Description:

 

 

            

 

The GMH 3831 and the GMH 3851 offer decisive advantages in handling, user-friendliness,
functional range and accuracy.
The absolute moisture of 494 material types is displayed directly and can be converted automatically
to water content.
The cumbersome usage of calculation tables becomes a thing of the past.
Additionally you are getting a moisture rating (wet... dry) of the material measured.
 

 

 

examples for applications:

 

precise measuring of cut-wood, chip board, veneer, sawdust, wood chips, wood wool, flax, straw, hay, concrete, gas concrete,
bricks, wash floor, cast, limestone mortar, cement mortar, paper, carton, textiles etc.
 

 

users:

architects, experts, inspectors, building contractors, painters, carpenters, parquet joiner, floor tilers, wood works,
timber desiccation plants, building repair companies, textile industry, etc.

 

GMH 3831

(lose device without any accessories)


 

GMH 3851

(lose device without any accessories)


 

 




specifications:

meas. principle moisture:   resistive measurement of material moisture acc. to DIN EN 13183-2:2002
meas. principle temperatures: external: thermocouple NiCr-Ni (type K)
internal: NTC
characteristic lines:   494 material characteristic lines
meas. range moisture:   0.0 % to 100,0% u (material moisture)
0.0 % to 50 % w (water content)
depends on characteristic line selected
meas range temperature:   -40.0°C to +200.0°C (-40.0°F to +392.0°F)
moisture rating:   in 9 steps (wet....dry)
resolution:  

0.1% resp. 0.1°C (0.1°F)

 

device accuracy:
(at nominal temperature):
wood:

+0.2 % material moisture (deviation from corresponding characteristic line within range of 6 % to 30 %)

building material:  +0.2 % material moisture (deviation from corresponding characteristic line)
temperature (external): +0,5 % of value measured +0.3°C
temperature compensation:   automatic or manual
probe connection: moisture: BNC
temperature: thermovoltage-free NiCr-Ni connector
nominal temperature:   +25°C
permitted working temperature:   -25°C bis +50°C
display:   zwei 4-stellige LCD-Anzeigen (12,4 mm bzw. 7 mm hoch), sowie weitere Hinweispfeile
user buttons:   6 Folientaster
output: 3-pole jack connector ø 3,5 mm, selectable between serial interface or analog output
- serial interface:

vial electrically isolated interface converter USB 3100N resp.. GRS 3100 or GRS 3105 (p.r.t. accessories)
to be connected directly with the RS 232 resp. USB interface of your PC

- analog output: 0-1V, freely scaleable
power supply:   9V battery, type IEC 6F22 as well as additional power supply connector for external 10.5-12V (suitable power supply unit: GNG 10/3000)
low battery indication:   ´bAt´
power consumption:   approx 2,5mA
dimenstions:   142 mm x 71 mm x 26 mm
weight:   approx. 155 g
housing:   made of impact-resistant ABS, front side IP 65, integrated pop-up clip for table top or suspended use
functions: (auto-)hold: (automatic) freezing-in of current value measured by pressing a key
  sort: limiting of the material selection to up to 8 favourite lines
  auto power off: 1..120min, can be deactivated

 












additional functions of GMH 3851, compared with GMH 3831:
 

This instrument is essential for the documentation of the material conditions at quality assurance systems.
By means of an integrated data memory up to 10,000 values measured can be recorded and processed on demand.
Furthermore 4 characteristic lines individually defined (e.g. by  means of dry oven or CM method) can be memorized into the device by the user.
So calculation tables aren't necessary any more.
logger functions: manual: 99 data sets (re-call of data by pressing a key or interface)
cyklic:

10,000 data sets (recall of data by interface)

adjustable cycle time: 30 sec. up to 1 h
The logger is started by pressing a key or by interface.
By means of the comfortable software GSOFT3050 (p.r.t. accessories) the logge data recorded can be read out.
real-time clock: current time with date and year
user defined characteristic lines 4, freely programmable
interpolation points per line: approx. 20
software: By means of the software GMHKonfig (free from charge) the interpolation points can easily be set by PC.
(required accessories: interface converter USB 3100N, GRS 3100 or GRS 3105

 




complete sets:

SET 38BF  

 

wood and building moisture set

scope of delivery:
  • case GKK 3500
  • meas. cable GMK 38
  • impact electrode GSE 91
  • meas. nails GST 91
  • temperature probe GTF 38
  • meas. rods GMS 300/91
  • brush probes GBSK 91
  • conductivity pase GLP 91
  • for wood, concrete, screed, plaster

SET 38 HF  
 

wood moisture set

scope of delivery:
  • case GKK 3500
  • meas. cable GMK 38
  • impact electrode GSE 91
  • meas. nails GST 91
  • temperature probe GTF 38
  • for wood
 

SET 38 MPA:  

MPA wood moisture set

permitted for glued timer construction acc. to DIN 1052-1

 

scope of delivery:
  • case GKK 3500
  • meas. cable GMK 38
  • reciprocating piston electrode GHE 91
  • meas. nails GST 91
  • temperature probe GTF 38
  • for wood, gluelam
 

 




material moisture sensors:

GMK 38  

 

GOK 91   

meas. cable (BNC to 2x banana plug) length of approx. 1m surface meas. caps (pair) for screwing onto GSG91 oder GSE91

GHE 91  

 

GMS 300/91  

reciprocating piston electrode

measuring rods with length of 300 mm (pair)

 

GSE 91  

 

GBSK 91  

impact electrode brush probe (pair), short construction type for depths up to approx. 100 mm

GEG 91  

 

GBSL 91  

handle suitable with impact electrode GSE 91 brush probe (pair), long construction type for depths up to approx. 300 mm

GSG 91  

 

GLP 91  

penetration electrode with front part of GSE91 and handle GEG91

conductivity paste 100ml, for measuring on surfaces or in depths of walls, screed etc. with brush probes

GST 91  

 

GSP 91   

set of steel nails (3 pcs. each; length of 12, 16 and 23 mm) in plastic case sensor for measurement of surfaces of paper, textiles, etc.
(cpl. with handle)
 

GST 91/40   

 

GSP 91 Ers  

10 steel nails, length of 40 mm, diameter D= 2.5 mm, in plastic case spare sensor element for GSP 91
   

GST 45i  

 

GEF 38  

2 teflon isolated steel nails, length of 45 mm, diameter D= 2.5 mm flat electrode (for screed, paper, etc.)

GST 60i  

 

GPAD 38  

2 teflon isolated steel nails, length of 60 mm, diameter D= 2.5 mm controlling adapter (with 2 reference values) for checking the functions of GMH 38XX and GMR 110

 

GST 15B  

 

GES 38  

2 steel nails with drilling hole, length of 15 mm, diameter D= 3.8 mm
(for being connected directly with measuring cable GMK 38)

volt-free NiCr-Ni insertion probe, 4x 150 mm
(recommended at measurements of wood moisture)

 

 

 

GTF 38  

temperature probe for GMH 38XX for differring temperatures of medium and device

GST 25B  

 

ST-RN  

2 steel nails with drilling hole, length of 25 mm, diameter D= 3.8 mm
(for being connected directly with measuring cable GMK 38)
protection bag with cut-out (suitable with GMH 3830 and GMH 3851)
   

GST 40B  

GKK 3500  

2 steel nails with drilling hole, length of 40 mm, diameter D= 3.8 mm
(for being connected directly with measuring cable GMK 38) 

 

case (394 x 294 x 106 mm) with cut-outs for 1 device and accessories
   

GSF 40  

   
insertion probe for GMH 38XX, length of 67 cm for measuring in
pressed hay or straw bales resp. grain up to a depth of 60 cm, 1m connection cable incl.
 

GSF 40TF  

   
insertion probe for GMH 38XX WITH temperature sensor,
length of 67 cm for measuring in pressed hay or straw bales resp. grain up to a depth of 60 cm, 1m connection cable incl.

GSF 50  

   
insertion probe for GMH 38XX, length of 110 cm for measuring in
wood chips, wood wool, straw, hay, grain, saw dust, etc.
up to a depth of 107 cm, connection cable of approx. 1m

GSF 50K  

   
short insertion probe for GMH 38XX, length of 43 cm for measuring in
wood chips, wood wool, straw, hay, grain, saw dust, etc.
up to a depth of 40 cm, connection cable of approx. 1m

GSF 50TF  

   
insertion probe for GMH 38XX WITH temperature sensor,
length of 110 cm for measuring in wood chips, wood wool, straw, hay, grain, saw dust, etc. up to a depth of 107 cm, connection cable of approx. 1m

GSF 50 TFK  

   
short insertion probe for GMH 38XX, length of 43 cm for measuring in
wood chips, wood wool, straw, hay, grain, saw dust, etc.
up to a depth of 40 cm, connection cable of approx. 1m



resistive precesion material moisture measurement device for wood, building and insulating material, straw, hay, paper, textiles etc.... The cumbersome usage of calculation tables mow is history. Additionally you get an evaluation of your material state (wet/dry) of nearly all materials instantly. (sensor not incl.)

Please order separately:



= data sheet as *.pdf

= instruction manual as *.pdf

deutsche Beschreibung

Price of the basic article, German V.A.T. incl : EUR 316.00


The net price of the basic article  GMH 3831 is:  EUR 265.55 


Price German V.A.T. incl. plus shipping and handling (p.r.t. footnote of this page)



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