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GMH 3830 - Details

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


GMH 3830 resistive material moisture and temperature measuring device - Greisinger electronic -



 

 Precision-Material moisture measurement device

for wood, building and insulating material, straw, hay, paper, textiles etc....      

 

GMH 3830

resistive material-moisture and temperature measuring device (accessories not included)

 

 

Advantages:

  • 465 wood characteristic curves
  • 28 building material cahracteristic curves
  • moisture estimation
  • external temperature probes connectable
  • seriell interface or analog output 0-1v, freely adjustable
  • future-proof via updates

Now also certificated for MPA, approved for glued timber construction
acc. to DIN 1052-1

 

 

Description:
The GMH 3830 was designed completely new and now offers important advantages in handling, user-fiendliness, functional range and accuracy for your meterological work. The absolute moisture content by weight of 493 materials is displayed directly. The cumbersome usage of calculation tables now is history. Additionally you get an evaluation of your material state (wet/dry) of nearly all materials instantly. Of course the formerly used wood groups  A, B, C and D of the predecessor models are furthermore supported. 

 

 

Application:

Precision measurements in 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, insulating material etc....

User:

architect, expert, inspector, building contractor, painter, interior decorator, carpenter, parquet joiner, floor tiler, wood works, timber desiccation plant, building repair company, textile industry etc....

 

 




Specification:

Measuring principle - moisture: Resistive material moisture measuring according to DIN EN 13183-2:2002
Measuring principle  - temperature external: thermocouple, NiCr-Ni (TypK)
Measuring principle  - temperatur internal: NTC
Characteristic curves: 493
 
Measuring range - humidity: 0.0 ..... 100.0% by weight (depending on characteristic curve)
 
Measuring range - temperature: -40.0.....+200.0°C (-40.0.....+392.0°F)
Estimation:

in 9 steps (dry...wet)
 

Resolution:

0.1% resp. 0.1°C (0.1°F)

 

Accuracy device: (at nominal temperature):

wood:   +0,2% by weight (deviation from characteristic curve at range  6..30%)

building mat.:    +0,2%

temperature (external):   +0,5% of meas. value +0,3°C
 

Temperature compensation: automatically or manual
Sensor connection: moisture: BNC
temperature: flat pin plug (free of thermo-voltage) NiCr-Ni jack
Nominal temperature: 25°C
 
perm. working temperature: -25°C to +50°C
 
Storage temperature: --25°C to +70°C
 
rel. humidity:  0 to 95% r.h. (non condensing)
 
Display:

two 4-digit LCDs (12.4mm resp. 7mm high), as well as additional arrows

Pushbuttons: 6 membrane keys
Output: - 3-pin jack connector, 3.5mm diameter, choice between seriell interface or analog output
- seriell
interface: direct connection to RS232 or USB interface of a PC via electrically isolated interface adapter GRS 3100 or GRS 3105 resp. USB3100
- analog output: 0-1V, freely adjustable

 
Power supply: 9V battery, type IEC 6F22 as well as additional d.c. connector for external 10.5-12V direct voltage supply (suitable power supply: GNG 10/3000)
 
Low battery warning: ´bAt´
 
power consumtion: approx. 2.5mA
 
Dimensions/Weight: 142 x 71 x 26mm, 155g
 
Housing: Impact-resistant ABS plastic housing, membrane keyboard, transparent panel. Front side IP 65, integrated pop-up clip
 
Functions:  
- Hold: Freezing of the current measuring value by pressing a key
- Auto-Hold: Automatic freezing of constant value
- Sort: limitation of the choice of materials to up to 8 favourites
 
  Auto Power Off: 1..120min, can also be deactivated
 

Accessories:

SET 38 HF

Wood moisture set

contents: case GKK 3500, measuring cable GMK 38, impact electrode GSE 91, steel nails GST 91, temperature probe GTF 38

 

SET 38 BF

Wood and building material moisture set

contents: case GKK 3500, measuring cable GMK 38, impact electrode GSE 91, steel nails GST 91, temperature probe GFT 38, measuring pins GMS 300/91, brush-type probe GBSK 91, conducting paste GLP 91

SET 38 MPA MPA-wood moisture set:

Scope of delivery: case GKK 3500, meas. cable GMK 38, reciprocating piston electrode GHE 91, steel nails GST 91, temperature probe GTF 38

For use in the glued timber construction acc. to DIN 1052-1

GRS 3100 RS232-interface converter
USB 3100 USB-interface converter
GB 9V spare battery
GNG 10/3000 Net power supply
GKK 3500

case (394x294x106mm)

 


Special accessories / spare parts:

GMK 38

Measuring cable (BNC to 2x banana plug) approx. 1m long

 

GOK 91

surfaces-measuring caps (pair) to be screwed on GSG91 or GSE91

GHE 91

reciprocating piston electrode

 

GMS 300/91

Measuring pins 300mm long (pair)

GSE 91

 impact electrode

 

GBKS91

short brush-type probe (pair) for depth down to approx. 100mm

GEG 91

handle for retrofit of impact electrode

 

GBSL 91

long brush-type probe (pair) for depth down to approx. 300mm

GSG 91

retrofitted impact electrode with front side of GSE 91 and handle GEG91

 

GLP 91

conducting paste 100ml, for durface measurements and depth indication in walls, wash floors etx. with brush probes

GST 91

steel nails (3 pieces; 12, 16 and 25mm long) in plastic case

 

GSR 91

roller type sensor for surface measurements on paper or textile webs etc....

GSP 91

Sensor for surface measurements on paper, textiles etc.

GSP 91 ES

Spare sensor element for GSP 91

 

GSF 38

injection pobe 1m long with handle and 1m connection cable 8for large bales of wood wool, wood chips etc...)

GEF 38

Flat electrode (for floor pavement, paper etc.... )

   

GSF 38K

injection probe, length of approx. 25 cm
and connection cable with length
of approx. 1.5m)

 

GTF 38

insulated external NiCr-Ni-temperature probe (necessary for temperature differences between wood and device)

   

GSF 38TF

injection probe, length of approx.1m
with integrated NiCr-Ni temperature probe

 

 

Accessories for GMH 3810:

GMK 3810

Measuring cable (2x banana plug to 2x banana jack) approx. 1m long, incl. adapter for GMH 3810. Allows connection of accessories mentioned above (except for GSF and GTF 38)

 

GPAD 38

testing adapter

 

 

GES 38

insulated NiCr-Ni injection probe
(e.g. for wood chips) D=4x150mm

 

 

GST 3810

Spare measuring pins (10 pieces) in plastic tin

 

ST-RN

protection pocket with openings for sensor connections

 

     

GKK 3500

case (394x294x106mm) with punched lining for device and accessories

 



 



 




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 257.00


The net price of the basic article  GMH 3830 is:  EUR 215.97 




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