Technical data
Moisture meter in a quick comparison

 BM15 BM20 BM30 T500 T600 T650
Technical data BM15 BM20 BM30 T500 T600 T650
Article no. 3.510.205.020 3.510.205.021 3.510.205.030 3.510.207.500 ZB9110012 ZB9110014
Display
sensor 1		 Measured value Wood moisture / Material moisture Wood moisture / Material moisture Material moisture / Surface moisture Wood moisture / Material moisture Material moisture / Sub-surface moisture Material moisture / Surface moisture
Units % % Digit %, Digit Digit Digit
Display
sensor 2		 Measured value       Compensation value for wood temperature *    
Units       °C, °F    
Material
moisture		 Measuring principle Resistance
method		 Resistance
method		 Dielectric Resistance
method		 Microwave Dielectric
Measuring range 0.2 - 2.0 % 0.2 - 2.4 % 0 to 100 digit 15 to 100 digit 0 to 200 digit 0 to 200 digit
Resolution / Accuracy approx. ± 0.05 % approx. ± 0.05 % 1 digit / – 0.1 digit / 0.1 digit    
Depth of penetration N.S. N.S. 5 to 40 mm approx. 10 mm ** (connection) Max. 300 mm (non-destructive) Max. 40 mm (non-destructive)
Wood moisture Measuring principle Resistance
method		 Resistance
method		   Resistance
method		    
Measuring range 6 - 44 % 1 - 45 %   5 % to 50 %    
Resolution / Accuracy approx. ± 1 % approx. ± 1 %   0.1 % / 1 % ***    
Temperature
compensation		       0 °C to 50 °C    
Electrodes
length / ø		 approx. 8 mm
/ 2.2 mm		 approx. 8 mm
/ 2.2 mm		   20 mm / 1.5 mm    
Max. depth of penetration N.S. N.S.   approx. 10 mm 4)    
Functions Alarm signal         Audible Audible
Menu functions Battery status and function check Battery status and function check, selection slide to change modes Minimum, maximum value display, hold function, backlit display, auto Hold, Sens, Mat., Temp., Unit 2 Max., Min., Hold, Alarm Max., Min., Hold, Alarm
General tech. data Dimensions approx. 130 x 40 x 25 mm 139 x 47 x 25 mm 180 x 45 x 35 mm 168 x 48 x 25 mm 180 x 65 x 65 mm 190 x 48 x 25 mm
Weight approx. 100 g 100 g 180 g 320 g 220 g 250 g
Operation
conditions****		 0 to 40 °C,
< 85 % R.H.		 0 to 40 °C,
< 85 % R.H.		 0 to 40 °C,
< 85 % R.H.		 0 to 50 °C,
< 90 % R.H.		 -10 to 60 °C,
< 95 % R.H.		 0 to 50 °C,
< 95 % R.H.
Storage
conditions****		 0 to 40 °C,
< 85 % R.H.		 0 to 40 °C,
< 85 % R.H.		 0 to 40 °C,
< 85 % R.H.		 -10 to 60 °C,
< 95 % R.H.		 -30 to 60 °C,
< 95 % R.H.		 -30 to 60 °C,
< 95 % R.H.
* only in the wood moisture measuring mode; ** with standard electrodes *** in the range of 6 % to 30 % wood moisture; **** not condensing