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BP100 – Bubble Pressure Tensiometer

The BP100 Bubble Pressure Tensiometer analyzes the mobility of  based on the  (SFT). This allows you to find out how quickly surface-active substances such as detergents or wetting agents achieve the required reduction of the SFT. With the help of this information, you can optimize formulations for dynamic processes such as spraying, coating, printing, or cleaning.

  • Using surfactants during spraying
  • Detergent formulation and optimization for washing and cleaning processes
  • Wetting agent for coating and printing
  • Research and development of surfactants

INSTRUMENT DIMENSIONS

Footprint 300 mm × 390 mm (W × D)
Height 585 mm
Weight (without accessories) 13 kg

TEMPERATURE MEASUREMENT

Range of temperature measurement -10 to 130 °C
Resolution 0.01 °C
Precision 0.05 °C
Accuracy 0.5 °C
Internal sensor sample stage
External sensor optional: sample vessel

POWER SUPPLY

Voltage 100 to 240 V
Power consumption 40 W
Frequency 47 to 63 Hz
Compressed air optional: 100 to 400 kPa

SAMPLE DIMENSIONS

Min. recommended sample volume 15 mL
(sample vessel SV23)

ENVIRONMENT

Operating temperature 15 to 30 °C
Humidity without condensation

TEMPERATURE CONTROL

Type of temperature control liquid
Range of temperature control -10 to 130 °C
Flow-through thermostat optional

INTERFACES

PC USB 2.0
Auxiliary RS232
Thermostat quick lock fittings
External gas optional
(quick lock fittings)

HOUSING AND PERIPHERALS

Built-in bubble level yes
Glass windshield doors yes
Stainless steel measuring compartment yes
Control pad yes

PRESSURE MEASUREMENT

Maximum pressure 3000 Pa
Precision 0.05%
Accuracy 1.3%
Measurement rate 20 kHz

SAMPLE STAGE

Travel distance > 110 mm
Simple platform optional
Temperature control jacket optional: 70 mm or 100 mm

DRIVE

Resolution 16 nm
Travel speed 0.1 to 500 mm/min
Type of motor brushless DC servo motor

SOFTWARE

Software type LabDesk
Available software modules bubble pressure

BUBBLE PRESSURE

Results dynamic surface tension vs. surface age
dynamic surface tension at constant surface age
adsorption constant / Ward & Tordai
diffusion constant / Joos & Rillaerts
Range (surface tension) 10 to 100 mN/m
Resolution (surface tension) 0.01 mN/m
Precision (surface tension) 1%
Range (surface age) 5 to 200000 ms