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力学法表面张力仪

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力学法表面张力仪

K20

多功能半自动张力仪,用于质量控制

General specifications

Instrument dimensions

Footprint

270 mm × 350 mm (W × D)

Height

430 mm

Weight (without accessories)

11 kg

Interfaces

PC

USB 2.0
RS232

Environment

Operating temperature

15 to 30 °C

Humidity

without condensation

Power supply

Voltage

100 to 240 V

Power consumption

40 W

Frequency

47 to 63 Hz

Housing and peripherals

Built-in bubble level

yes

Windshield doors

yes

Control panel

integrated

Display

320 × 240 px

Temperature control

Type of temperature control

liquid (-10 to 130 °C)

Flow-through thermostat

optional

Temperature measurement

Range

-20 to 150 °C

Resolution

0.1 °C

Precision

±0.2 °C

Accuracy

±0.5 °C

External sensor

optional: sample vessel

Measurement specifications

Software

Software type

LabDesk

Software modules

Data logger (optional)

Rod

Results

surface tension
interfacial tension

Range

1 to 999 mN/m

Resolution

0.2 mN/m

Wilhelmy plate

Results

surface tension
interfacial tension

Range

1 to 999 mN/m

Resolution

0.1 mN/m

Du Noüy ring

Results

surface tension
interfacial tension

Range

1 to 999 mN/m

Resolution

0.01 mN/m

Correction method

Harkins-Jordan
Zuidema-Waters
linear correction
no correction

Liquid density

Liquid density range

1 to 2200 kg/m³

Resolution

1 kg/m³

Product group specifications

Sample stage

Travel distance

90 mm

Simple platform

yes

Temperature control jacket

optional: 70 mm

Integrated sample stage

yes

Drive

Travel speed

2.4 to 14 mm/min

Type of motor

DC motor

Force measurement

Maximum load

50 g

Resolution

100 µg

Precision

±100 µg

Measurement rate

5 Hz

Adjustment

optional:
automated
external weight

Adjustment weight

20 g

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