Mini VLQ now available

New Mini VLQ needle probe for thermal conductivity meter TK04The new Mini VLQ is a 50 mm long needle probe with a diameter of 2 mm for small samples. It can be used where standard size probes are too large for the available sample dimensions. This includes compressible materials like soil samples which cannot be tested with the already available Mini HLQ for plane surfaces.

Use the Mini VLQ for samples with a minimum diameter of 40 mm and a minimum length of 60 mm. The Mini VLQ has a measuring range of 0.3 to 6 W/mK and an accuracy of ± 5%.


New Mini VLQ   ˅

Technical Specification TK04

Thermal conductivity meter

TK04 Measuring Unit

Name TK04 Thermal conductivity meter
Standard ASTM D5334-08
Measuring principle transient heat flow (needle probe method)
Measuring range 0.1 to 10 W/mK *
Accuracy ± 2 % *
Reproducibility ± 1.5 %
Heater current precision ± 0.01 %
Duration of 1 measurement 60 / 80 / 240 s *
Automatic repetitions up to 99 measurements per series (unattended)
Sample size no upper limit, minimum size probe dependent
Sample shape any
Opearting temperature 0 to 45°C
Sample temperature - 25 tos 50°C / - 25 to 70°C / -25 to 125°C *
Power supply 220/240 V AC (50 Hz); 100/120 V AC (60 Hz)
Fuse 800 mAT for 220/240 V AC / 1.6 AT for 100/120 V AC
Power consumption 40 W
Dimensions (W x H x D) 471 x 160 x 391 mm
Weight 11.2 kg
Ports serial port (COM-Port)
USB port with USB to serial converter (included)
Connection cable standard serial cable, 9 pin, Sub-D Socket-Socket, connected 1:1
USB serial converter
Supplied parts kits including a measuring unit, probe(s), software and accessories, for available combinations see measuring kits

* For more details see the technical specification of the probes.

Technical specifications are subject to change without prior notice.