Wood MoistureStructural Moisture

Drive-in Electrode
M 20

Ref.Nr. 31003300

Drive-in electrode for measuring wood moisture and structural moisture

DescriptionUsecases

Description

The M 20 is a drive-in electrode for measuring wood moisture and building moisture. It is based on the resistance principle of measurement and can be connected to all corresponding measuring devices.

The electrode is suitable for measuring the moisture of sawn timber (up to 50 mm in thickness), chipboard or OSB, and parquet for example.
By means of a suitable impact device (e.g. a hammer), the electrode can also be driven into hard woods such as beech.

It can also be used for measurements in soft set building materials (e.g. plasters, gypsum or aerated concrete) as well as insulating materials.

Measuring ranges

Wood Moisture
The electrode can be used with all hydromettes based on the resistance measurement method.
Resistance-based measuring
Resistance-based measuring
Measuring Ranges
min.4 to max.100 % (dry mass)
min.31 to max.41 % water content

The actual measuring range depends on the connected measuring instrument.

Show compatible measuring instruments
Structural Moisture
The electrode can be used with all hydromettes based on the resistance measurement method.
Resistance-based measuring
Resistance-based measuring
Measuring Ranges
min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

The actual measuring range depends on the connected measuring instrument.

Show compatible measuring instruments

Specifications

  • The electrode body is made of impact-proof plastic
  • Including 10 electrode pins of 16 and 23 mm in length

Compatible instrumentsCan be used with these measuring instruments

Wood MoistureStructural MoistureAir HumidityAir TemperatureSurface TemperatureMaterial TemperatureAir Speed
33 Electrodes selectable
CH 17
4 to 100 % (dry mass)
0 to 199 digits
0,3 to 8,5 wt.-%
0,3 to 6,5 CM-%
0,3 to 25 wt.-%
0,3 to 12 CM-%
0 to 100 % R.H.
±1,8 (10 to 90 % R.H.) Sensor Accuracy
-20 to 80 °C
±0,3 (-10 to 70 °C) Sensor Accuracy
-40 to 380 °C
±0,5 (0 to 60 °C) Sensor Accuracy
-50 to 250 °C
-30 to 170 °C
-2,5 to 2,5 m/s
Wood Moisture
6 Electrodes selectable
BL H 40
5 to 40 % (dry mass)
Wood Moisture
8 Electrodes selectable
BL H 41
5 to 40 % (dry mass)
4.5 to 45 % (dry mass)
Wood MoistureMaterial Temperature
7 Electrodes selectable
BL HT 70
5 to 70 % (dry mass)
31 to 41 % water content
-50 to 250 °C
Wood Moisture
6 Electrodes selectable
BL A plus
5 to 50 % (dry mass)
5 to 70 % (dry mass)
Structural MoistureWood MoistureSurface TemperatureMaterial Temperature
21 Electrodes selectable
BL E
0.1 to 42.2 wt.-%
0.2 to 9.9 CM-%
0 to 200 digits
5.5 to 58 % (dry mass)
-50 to 250 °C
-50 to 350 °C
Wood Moisture
6 Electrodes selectable
H 35
4 to 30 % (dry mass)
Wood Moisture
6 Electrodes selectable
HT 65
4 to 60 % (dry mass)
Wood MoistureStructural MoistureSurface Temperature
21 Electrodes selectable
HB 30
4 to 30 % (dry mass)
0 to 80 digits
0.5 to 25 wt.-%
0.3 to 12 CM-%
0 to 199 digits
0.3 to 8.5 wt.-%
0.3 to 6.5 CM-%
-20 to 199.9 °C
Wood MoistureStructural MoistureAir TemperatureSurface TemperatureMaterial Temperature
29 Electrodes selectable
HT 85 T
4 to 100 % (dry mass)
0 to 80 digits
0.5 to 25 wt.-%
0.3 to 12 CM-%
-20 to 200 °C
-50 to 250 °C
-50 to 350 °C
Structural MoistureAir HumidityAir TemperatureSurface TemperatureMaterial Temperature
37 Electrodes selectable
UNI 2
0 to 80 digits
0.5 to 25 wt.-%
0.3 to 12 CM-%
0 to 199 digits
0.3 to 8.5 wt.-%
0.3 to 6.5 CM-%
0 to 100 % R.H.
-20 to 200 °C
-20 to 70 °C
-50 to 600 °C
-20 to 199.9 °C
-50 to 600 °C
Wood MoistureStructural MoistureAir HumidityAir TemperatureSurface TemperatureMaterial Temperature
41 Electrodes selectable
RTU 600
4 to 100 % (dry mass)
0 to 80 digits
0.5 to 25 wt.-%
0.3 to 12 CM-%
0 to 199 digits
0.3 to 8.5 wt.-%
0.3 to 6.5 CM-%
0 to 100 % R.H.
-20 to 200 °C
-20 to 70 °C
-50 to 600 °C
-20 to 199.9 °C
-50 to 600 °C

Carrier SystemAlso serves as carrier system for various other electrode pairs

Wood Moisture
11 Measuring instruments compatible
M 20-HW 200
Needs a carrier system
min.4 to max.100 % (dry mass)
min.31 to max.41 % water content

Ranges depend on connected measuring instrument

Wood Moisture
11 Measuring instruments compatible
M 20-HW 300
Needs a carrier system
min.4 to max.100 % (dry mass)
min.31 to max.41 % water content

Ranges depend on connected measuring instrument

Wood Moisture
11 Measuring instruments compatible
M 20-DS 16
Needs a carrier system
min.4 to max.100 % (dry mass)
min.31 to max.41 % water content

Ranges depend on connected measuring instrument

Wood Moisture
2 Measuring instruments compatible
M 20-DS 16-i
Needs a carrier system
min.4 to max.100 % (dry mass)

Ranges depend on connected measuring instrument

Wood MoistureStructural Moisture
12 Measuring instruments compatible2 Usecases
M 20-OF 15
Needs a carrier system
min.4 to max.100 % (dry mass)
min.31 to max.41 % water content

Ranges depend on connected measuring instrument

min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

Ranges depend on connected measuring instrument

Structural Moisture
6 Measuring instruments compatible
M 6-150
Needs a carrier system
min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

Ranges depend on connected measuring instrument

Structural Moisture
6 Measuring instruments compatible
M 6-250
Needs a carrier system
min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

Ranges depend on connected measuring instrument

Structural Moisture
6 Measuring instruments compatible2 Usecases
M 20-Bi 200
Needs a carrier system
min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

Ranges depend on connected measuring instrument

Structural Moisture
6 Measuring instruments compatible2 Usecases
M 20-Bi 300
Needs a carrier system
min.0 to max.80 digits
min.0,3 to max.42.2 wt.-%
min.0,3 to max.12 CM-%

Ranges depend on connected measuring instrument

Replacement parts

Electrode Pins without insulation 16 mm
Electrode Pins without insulation 16 mm
31004610
Electrode Pins without insulation 23 mm
Electrode Pins without insulation 23 mm
31004620

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