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Wood dryers (drying kilns) catalogue (.PDF 4MB)
Wood dryers (drying kilns) catalogue (.PDF 4MB)

Catalogo Secadores de madera (.PDF 4MB)
ESP/ENG Catalogo secadores de madera / Wood dryers (drying kilns) catalogue (.PDF 4MB)

Katalog holztrockner Catalogue de sechoirs a bois (.PDF 4MB)
GER/FRA Katalog Holztrocknung / Catalogue de Schoirs bois (.PDF 5MB)

 Measurement & control equipment catalogue (.PDF 2.8MB)
Measurement & control equipment catalogue (.PDF 2.8MB)

Since 1990


portable moisture meter
Portable moisture meter RVD-904
Nondestructive moisture meter DVD-240
Dehumidifying and combined kilns
Conventional kilns
Automation of existing conventional kilns

  • Measurement:
    • Moisture content:
      measurement of all wood types moisture content in range 6% to 100% at the temperature in range -10C up to 80C
    • Air temperature:
      measurement of air temperature in range -10C up to 50C
    • Air temperature/humidity:
      measurement of temperature in range 5C up to 85C and
      humidity in range 5 %RH up to 100 %RH
      (if the probe SVT-03/U is delivered)

  • Device is delivered in a wooden case with following content:
    • RVD-903 device
    • Hammer action electrode
    • Connection cable
    • Probe for air temperature measurement
    • SVT-03/U probe for air temperature/humidity measurement (OPTION)

Portable moisture meter RVD-903 is designed for measurement of wood moisture content in the field. It is also universal device, which can be seen when the probe SVT-03/U is fitted. In that case, device can measure air temperature/humidity apart from wood moisture content measurement.
Main characteristics of this device is its portability since RVD-903 uses battery power supply, and can operate in the kiln or in the field.
Device is easily operated since it has only one button for activation. When the button is pressed, measured value is displayed on the LCD display.
User can choose among 4 different types of wood according to the actual timber type he wants to probe. Device has an ability of temperature compensating (because air temperature is measured as well).
Device also has built-in indication that warns user when the battery is low.

Since this device is delivered whit or without temperature probe, user must specify which configuration wants to by upon ordering.

 Technical Data
   Power supply  Battery 9 Vdc; 90mVA max
 Number of inputs  2
 Display  Single, 3 1/2-digit LCD, 13mm
 Accuracy  1 for temperature; 5 for humidity
 Operating conditions  T: - 10 50C; RH: 0 100%
 Storage  T: - 40 85C; RH: 5 90%
 Dimensions (WxHxD)(mm)  83 x 152 x 38
 Weight  230g

 Type  Electrodes for wood moisture measurement, 56mm, Ø2.5mm
 Connector  BNC
 Type  Temperature sensor
 Connector  DIN 5 - pin
 Type  Output taken from the probe SVT-03/U
 Connector  DIN 5 - pin

  User's manual (132KB)

2008 NIGOS-elektronik

18000 Nis Srbija Borislava Nikolica - Serjoze 12
Phone/fax. +381 18 211-212, 217-468 E-mail: