Máy đo độ nhớt cầm tay VM-250

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Máy đo độ nhớt cầm tay VM-250

Hand- viscometer (ATEX- approved) for practitioners on-site in areas of petrochemistry, food industry and in the transportation industry / total mobile viscosity determination / no-preparation of samples necessary / data storage and Bluetooth

The portable hand- viscometer equipped with an insertion-probe is customized for viscosity determination in containers (to 6 m depth). Therefore the hand viscometer is applicable directly without any sample preparation. Immediately after submerging the measuring sensor, viscosity and temperature are being determined. 1980 sets of measuring data (including date and time) can be stored in the hand-viscometer and due to an integrated Bluetooth interface eligibly transferred to a PC or laptop. The measuring device even withstands rough surrounding conditions (-40…+85 °C). For measurement at night the background lightening is very helpful. The viscometer is mainly used in the petroleum processing industry. But it is also applicable in the food industry in fields of transportation. A viscosity measurement directly on-site in the container or tank makes the hand- viscometer effective and thus spares time and money. The measuring device is ATEX approved. For further information about the viscometer LEMIS 250-1, please read the following technical data.

– Direct viscosity measurement
– Automatic temperature compensation
– No Sample preparation necessary
– ATEX approved
– With container depth to 6m applicable

– Applicable under roughest conditions
– Large internal data storage with Bluetooth          
– Steady operation
– Low maintenance

Technical Specification

Measuring range of dynamic viscosity

….2000 mPa * sec (cP)

Measuring temperature

-40 …+85 °C (-40 … +185 °F)

Max. submergence

6m ( 20 ft)

Battery lifetime

approx. 12 hrs. (without interim recharge)


ATEX II (2G) EEx ib [ia] IIB T4/ ATEX II 1 G EEx ia IIB T4

Power Supply

NiMH 3.6 V/ 1200 mAh

– Viscometer

– Probe

180 x 80 x 40 mm (7.1 x 3.2 x 1.6 in), 
0.6 kg (1.3 Ib)
220 x ø 42 mm ( 8.7 x ø 1.7 in), 1 kg (2.2 Ib)

Temperature compensation


Background lightening



LC display (2 x 16)

Internal Storage

1980 measuring data with time- and date- stamp

Data transfer 


Delivery content

1 x Hand – viscometer 250-1, 1 x external measuring wand, 1 x software, 1 x transportation case, instruction manual