The following products have been found matching your search "filterpapier": 250

Filter discs, with glass rim, plate dia. 90 mm, por.4

WITOPED XP is a professional electric pipetting aid, suitable for all pipettes up to 100 ml. The special features like speed adjustable suction and dispensing buttons, the comfortable base which allows stable placing of the device inclusive attached pipette as well as the high-precision, long lasting motor make WITOPED XP an indispensable device in your laboratory.

Your advantage at a glance:

• high-quality instrument, most competitive price
• high-precision, durable motor
• individual adjustment of suction and dispensing speed
• three pipetting speeds selectable:
  (F) Fast = 10 ml/s
  (M) Medium = 5 ml/s
  (S) Slow = 1 ml/s
  (G) Gravity drain
• gravity drain mode for draining out without using any motor
• suitable for all pipettes up to 100 ml
• handy and light weighted for fatigue-proof pipetting
• tight fit of any pipette into the pipette socket
• nosepiece with replaceable filter and silicone adapter
• nosepiece autoclavable at 121°C
• removable stand for stable holding of instrument along with attached pipette
• including wall bracket
• including NiMH 8,4V 200mAh battery
• CE label

WITOPED eco is an economically priced electric pipette aid, suitable for all pipettes up to 100 ml. The new model has an advanced digital display and faster suction performance: 25 ml in less than 5 seconds.

 

Your advantage at a glance:

• suitable for all pipettes up to 100 ml and Pasteur pipettes
• most affordable price in its class
• digital display indicating battery status and selected speed
• fine adjustment of pipetting speed
• tight fit of any pipette into the pipette socket
• handy and light weighted for fatigue-free pipetting, only approximately 200 g
• simple but powerful motor for fast and reliable pipetting
• gravity drain mode (G) for draining out without using any motor
• nosepiece with replaceable filter and silicone adapter
• silicone adapter autoclavable at 121°C
• efficient battery for a long runtime, Li-Ion 3,7V 700 mAh
• battery life over 8 hours
• low battery alert, acoustic signal when the charge level is low
• rechargeable during use
• CE label

Ideal for:

• ultra low refrigeration

 

Features:

• personal-type compact ultra-low temperature freezer
• freeze down to -86°C
• CFC-free refrigerant
• external temperature sensor hole
• block condenser removes filter
• filter-free mechanism lowers heat from the compressor
• easy maintenance and improved performance
• high-quality insulation panel and inner doors (powder-coated stainless steel) ensure defrosting around outer surface
• stainless steel interior and powder-coated steel body
• CE, UL/CUL & RoHS certified and unique serial number for tracing

 

Safety mechanism:

• push alarm service to your smartphone
• sensor error detection
• door locking system, door open error
• door ajar and power failure alarm
• standard warning and alarm functions

 

Controller:

• Smart-Lab™ controller with 7? full touch screen TFT LCD:
• WiRe™ app service, remote control system
• variable program settings
• self-diagnostic function
• automatic data recording
• data transfer to PC by USB memory
• Internet connectivity with WiFi

 

Ideal for:

• ultra low refrigeration

 

Features:

• personal-type compact ultra-low temperature freezer
• freeze down to -86°C
• CFC-free refrigerant
• external temperature sensor hole
• block condenser removes filter
• filter-free mechanism lowers heat from the compressor
• easy maintenance and improved performance
• high-quality insulation panel and inner doors (powder-coated stainless steel) ensure defrosting around outer surface
• stainless steel interior and powder-coated steel body
• CE, UL/CUL & RoHS certified and unique serial number for tracing

 

Safety mechanism:

• built-in standard warning and alarm functions

 

Controller:

• digital feedback controller

 

Ideal for:

• filtration for microbiology test
• air sampling
• suspended solid test
• vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE, CSA and RoHs certified , IP 30 protection

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• filtration for microbiology test
• air sampling
• suspended solid test
• vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE and CSA certified

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• filtration for microbiology test
• air sampling
• suspended solid test
• vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE, CSA and RoHs certified, with IP 30 protection

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• filtration for microbiology test
• air sampling
• suspended solid test
• vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE, CSA and RoHs certified, with IP 30 protection

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• vacuum drying
• vacuum oven
• high volume degas
• high volume vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE certified

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• vacuum drying
• vacuum oven
• high volume degas
• high volume vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE certified

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• filtration for microbiology test
• air sampling
• suspended solid test
• vacuum filtration

 

Features:

• lubricant and oil free piston
• no air pollution
• maintenance-free
• ProteTM filter prevents liquid from being sucked into the pump and filters particles as well as moisture
• CE and RoHs certified, with IP 30 protection

 

Controller:

• thermal protection device ensures shutting down the pump when overheated and resumes working when the temperature cooled down

 

Ideal for:

• ultra low refrigeration

 

Features:

• CFC free refrigerant (R-404A)
• UniFreez™ system
• automatic vacuum breaker – easy to re- open door
• external temperature sensor hole
• block condenser removes filter & causes of related failure
• filter-free mechanism lowers heat from the compressor
• easy maintenance and improved performance
• high-quality insulation panel and inner doors ensure defrosting around outer surface
• easy monitoring and control – eye level controller
• stainless steel interior, powder-coated steel body and inner door
• 3x stainless steel shelves to separate chamber into 4 sub-chambers included
• castors for easy movement
• UL/CUL, CE & RoHS certified and unique serial number for tracing

 

Safety mechanism:

• push alarm service to your smartphone
• sensor error detection
• door locking system, door open error
• door ajar and power failure alarm
• standard warning and alarm functions

 

Controller:

• Smart-Lab™ controller with 7" full touch screen TFT LCD:
• WiRe™ app service, remote control system
• variable program settings
• self-diagnostic function
• automatic data recording
• data transfer to PC by USB memory
• Internet connectivity with WiFi

 

Ultra low temperature freezers from witeg

 

• Ultra-deep cooling down to -95°C
• especially suitable for vaccines

DuoFreeze SmartLab with 2 compressors: If one system fails, the other still cools down to -80°C

The witeg ultra low temperature freezer SWUF-D DuoFreeze SmartLab is available in 4 sizes of 308/393/503/714 liters.
All devices are UL/CUL, CE and RoHs certified. The 503 liter version is also GMP certified.
The witeg ultra low temperature freezers are characterized by safety and environmental friendliness and are an ideal basis, especially for vaccines in times of Corona.
Witeg ultra low freezers offer an optimal solution for storing vaccines that are now available to fight COVID-19. A number of safety devices guarantee absolute temperature stability during vaccine storage, which is supported by an optimized control system with automatic data recording, self-diagnosis function, remote control system with app service.
The ultra low temperature freezers from witeg can be easily operated via the TFT LCD full-touch screen and offer extensive storage and programming functions, which are essential when storing vaccines that are subject to cold chains.

Ideal for:

• ultra low refrigeration
• especially for vaccines

 

Features:

• CFC free refrigerant (R-404A)
• DuoFreeze™ with 2 compressors: when one system fails, the other still cools down to -80°C
• automatic vacuum breaker – easy to re-open the door
• external temperature sensor hole
• block condenser removes filter & causes of related failure
• filter-free mechanism lowers heat from the compressor
• easy maintenance and improved performance
• high-quality insulation panel and inner doors ensure defrosting around outer surface
• easy monitoring and control – eye level controller
• stainless steel interior, powder-coated steel body and inner door
• 3x stainless steel shelves to separate chamber into 4 sub-chambers included
• castors for easy movement
• UL/CUL, CE & RoHS certified and unique serial number for tracing
• SWUF-D500 model is GMP certified

 

Safety mechanism:

• push alarm service to your smartphone
• sensor error detection
• door locking system, door open error
• door ajar and power failure alarm
• standard warning and alarm functions

 

Controller:

• Smart-Lab™ controller with 7" full touch screen TFT LCD:
• WiRe™ app service, remote control system
• variable program settings
• self-diagnostic function
• automatic data recording
• data transfer to PC by USB memory
• Internet connectivity with WiFi

 

Rocker 300 230 V with 100 ml stainless steel filtration set SF10, burner and membrane:

Rocker 300:
oil-free vacuum pump, lubricant
and oil free piston, maintenance-free,
ProteTM filter, thermal protection device, CE certified,
AC 230 V, max. vacuum -680 mmHg , flow rate 21 l/min,
motor ratio 1450 rpm, 1/8 HP, port thread 5/16 inch (8 mm),
moisture trap, overflow protection, 26.8 x 13.5 x 20.4 cm,
4.1 kg, *new model*

Stainless steel filtration set SF10 complete:
stainless steel filter 100 ml , 47 mm with SF-spin-lock,
stainless steel support base with spin lock,
stainless steel support screen, stopper and
PC waste bottle 1200 ml with cover, cap and
overflow protection
MCE membrane 47 mm, 0.45 µm,
200/pack
torch burner

Rocker 300 230V with 300ml PES filtration set LF31 (PES filter funnel and receiver flask): Rocker 300 oil-free vacuum pump, lubricant and oil free piston, maintenance-free, ProteTM filter, thermal protection device, CE certified, AC230V, max. vacuum -680mmHg (80mbar), flow rate 18 l/min, motor ratio 1450rpm, 1/8 HP, port thread 5/16 inch (8mm), moisture trap, overflow protection, 26.8x13.5x20.4 cm, 4.1kg, *new model* PES filtration set LF31 complete: PES funnel 300ml 47mm, PC support base, PP support screen, PP lid kit, PTFE syringe filter 25mm 0.2µm, stopper, glass suction flask 1000ml and fixing succer serial-no.

Rocker 300C PTFE-coated chemical resistant vacuum pump, lubricant and oil free piston, maintenance-free, ProteTM filter, thermal protection device, CE certified, 120V, max. vacuum -630mmHg , flow rate 23 l/min, motor ratio 1750rpm, 1/8 HP, port thread 5/16 inch (8mm), moisture trap, 28.5x13.5x20.4, 4.1kg

Disposable vacuum filters, PS, 500 ml, filter Ø 75 mm, pore size 0,20 µm, sterile, for sterile filtration, Case = 12 pcs.

MEMBRANE FILTERS, REGENERATED CELLULOSE, PORE SIZE 0.45 µm, FILTER DIAM. 47 MM, CASE = 100 PCS.

Membrane filters, pore size 0.45 µm filter Ø 50 mm case = 100 pcs

MEMBRANE FILTERS, PORE SIZE 0.2 µm FILTER DIAM. 47 MM CASE = 100 PCS

MEMBRANE FILTERS, PORE SIZE 0.2 µm FILTER DIAM. 50 MM CASE = 100 PCS

VF5 & VF8 Ø25mm
Ideal for:

• small volume vacuum filtration for biological or particulate contamination analysis

 

VF6 & VF7 Ø47mm
Ideal for:

• solvent purification and general filtration for microbiology, suspended solid analysis etc.

 

VF3 & VF16 Ø47mm / Ø90mm
Ideal for:

• purification of organic, corrosive liquid such as solvent, mobile phase for HPLC, GC and AA analysis

 

SF52 Ø47mm
Ideal for:

• filtration requiring the sterilization such as microbiology test or use for purification of corrosive liquid, solvent, etc.

 

LF30 & LF31 Ø47mm
Features:

• spin-lock connection facilitates fast and stable installation without clamp
• excellent smash and high temperature resistance
• autoclavable
• built-in overflow protection to keep the filtrate from overflowing when waste bottle is full
• funnel graduated in 50ml, receiver in 100ml increments for easy measurement

 

LF 3 / 5 & LF 3a / 5a Ø47mm
Features:

• spin-lock connection facilitates fast and stable installation without clamp
• PES structure offers excellent smash and high temperature resistance (up to 180°C)
• autoclavable
• reusable
• funnel graduated in 50ml increments for easy measurement

 

MF 3 / 5 & MF 3a / 5a Ø47mm
Features:

• magnetic connection facilitates fast and stable installation without clamp
• strong magnetic seal allows one-handed operation, prevents possible twisting and tearing of the membrane
• membrane guide on the base helps positioning membrane easily
• PES structure offers excellent smash and high temperature resistance (up to 180°C)
• funnel graduated in 50ml increments for easy measurement
• autoclavable
• reusable