The following products have been found matching your search "gewaehrleistet": 13

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Your advantage at a glance:

6 fix-volumina from 5?l to 100?l
compact size with an overall length of 130mm
maximum accuracy
feeling of a regular pipette
two-stage plunger to ensure correct pipetting volumes
smart tip cone design allows perfect fit for 200 ?l as well as 20 ?l tips
fully autoclavable
colour-code for better determination
with quality certificate per batch (individual certificate on request)

Artikelliste

Order number	Model	Version	Autoclavable	Channels	Systematic errors witeg	Random errors witeg	Volume
5 405 005	Witopet mini 5 µl	Fixed	at 121°C	1	±4 %	≤2.5 %	5 µl
5 405 010	Witopet mini 10 µl	Fixed	at 121°C	1	±3.2 %	≤1.4 %	10 µl
5 405 020	Witopet mini 20 µl	Fixed	at 121°C	1	±3 %	≤0.5 %	20 µl
5 405 025	Witopet mini 25 µl	Fixed	at 121°C	1	±1.5 %	≤1.1 %	25 µl
5 405 050	Witopet mini 50 µl	Fixed	at 121°C	1	±1.5 %	≤0.4 %	50 µl
5 405 090	Witopet mini 100 µl	Fixed	at 121°C	1	±1.5 %	≤0.3 %	100 µl

Microliter pipettes WITOPET expert Single-Channel

The new microlitre pipette WITOPET expert offers comfort thanks to an ergonomic handle and effortless pipetting thanks to a smooth-running pipetting button. Its longevity is guaranteed by simple maintenance and calibration. The pipette fulfils standards such as DIN EN ISO 8655 and offers sterile handling and calibration stability, even after repeated autoclaving.

Your advantages at a glance:

reverse pipetting for accurate and precise intake and delivery of liquids of different viscosities
soft grip prevents heat transfer to the internal components, ensuring precise pipetting
counter locking mechanism prevents volume changes during pipetting
blow-out system allows every last drop to be released
new tip cone with high mechanical strength and very good resistance to chemicals
interchangeable drops for pipette identification
perfected ergonomics for maximum comfort with new, ergonomic handle with soft part
particularly light in weight and yet robust
minimum effort required when pipetting to avoid excessive strain during pipetting
simple and quick maintenance and calibration
completely autoclavable for 15 minutes at 121°C (DIN EN ISO 285)
excellent calibration stability: no recalibration is required even after multiple autoclaving

*2-10 ml version without tip ejector

Artikelliste

Order number	Model	Version	Autoclavable	Color	Channels	Increment	Volume	Inaccuracy	Imprecision
5 402 002 E	Witopet expert 0.1-2.5 μl	Variable	at 121°C	grey	1	0.01 µl	0.1-2.5 μl	12.00%	6.00%
5 402 010 E	Witopet expert 0.5-10 μl	Variable	at 121°C	grey	1	0.10 µl	0.5-10 μl	2.50%	1.50%
5 402 020 E	Witopet expert 2-20μl	Variable	at 121°C	grey	1	0.10 µl	2-20μl	3.00%	2.00%
5 402 100 E	Witopet premium 10-100 μl	Variable	at 121°C	yellow	1	0.50 µl	10-100 μl	3.00%	1.50%
5 402 200 E	Witopet expert 20-200 μl	Variable	at 121°C	yellow	1	1.00 µl	20-200 μl	2.00%	0.80%
5 402 901 E	Witopet expert 100-1000 μl	Variable	at 121°C	blue	1	5.00 µl	100-1000 μl	2.00%	0.70%
5 402 950 E	Witopet expert 0.5-5 ml	Variable	at 121°C	green	1	0.05 ml	0.5-5 ml	2.00%	0.60%
5 402 910 E	Witopet expert 2-10 ml	Variable	at 121°C	green	1	0.10 ml	2-10 ml	3.00%	0.60%

Dry bath (Incubator) H-20 1 block up to 150°C

Ideal for:

enzyme reactions, inactivation of sera, incubation and other laboratory procedures
multifunctional dry block heater

Features:

user‘s self-compensation function to offset between real temperature and indicated temperature (±10.0°C)
ergonomic, compact design and modular block
internal PPS bath ensures best insulation, block made of anodized aluminium
precise temperature control
digital timer function – delay time and operation control
convenient integrated timer for time-sensitive incubations
block removal tool with screw thread included
storage function for the set values of temperature and timer
various block types (optional)
backlight LCD display
CE certified and unique serial number for tracing

Safety mechanism:

locking mode
overheat and over-current protection
sensor error detection

Controller:

digital fuzzy controller with Jog-Dial and main touch button

Artikelliste

Order number	Model	Version	Width (inner)	Length (inner)	Height (inner)	Width (Outer)	Length (outer)	Height (outer)	Heating time	Power consumption	Temperature range	Temperature accuracy	Packing size	Sensor
DH.WHB02000	H-20 Einheit 230 V		90 mm	120 mm	60 mm	226 mm	178 mm	138 mm	approx. 5°C/min	300 W	Room temperature +5°C to 150°C	±0.1°C at 37°C, ±0.2°C to 90°C, ±0.4°C at 135°C	230 x 290 x 245 mm	Temperature sensor PT100
DH.WHB02100	H-20 Set 230 V	incl. standard block with 48 holes for 1.5/2 ml centrifuge tubes	90 mm	120 mm	60 mm	226 mm	178 mm	138 mm	approx. 5°C/min	300 W	Room temperature +5°C to 150°C	±0.1°C at 37°C, ±0.2°C to 90°C, ±0.4°C at 135°C	230 x 355 x 245 mm	Temperature sensor PT100

Baths WCR Circulation water bath 8/12/22/30 Liter, -25°C down to 150°C ±0,1°C

Ideal for:

connection with evaporator

Features:

stainless steel bath, polyurethane insulation of 40 mm thickness and body made of powder-coated steel
innovated refrigeration system ensures temperature performance, includes intelligent control for preventing compressor overload, CFC-free (R-404A)
innovated powerful circulation pump ensures temperature uniformity: internal and external circulation and 5 steps circulation speed
stainless steel flat lid & valve ball included, dome lid optional
RS232C interface: remote monitoring and controlling with PC
proper liquid level tag in bath
user‘s self-compensation function to control difference between real temperature and indicated temperature (±10.0°C)
backlight LCD display
CE certified and unique serial number for tracing

Safety mechanism:

overheat and over-current protection
sensor error detection and leakage breaker
low liquid level warning and automatic stop function
locking mode

Controller:

digital fuzzy controller with Jog-Dial-switch (turn + push) & capacitive touch button

Artikelliste

Order number	Model	Width (inner)	Length (inner)	Height (inner)	Width (Outer)	Length (outer)	Height (outer)	Ideal for	Connections	Pressure	Heating power	Capacity	Effective space	Pump performance	Temperature variation	Temperature control resolution	Temperature range	Temperature accuracy	Packing size	Refrigerator	Cooling capacity	Sensor	Flow rate
DH.WCR00408	WCR-8 230 V	175 mm	320 mm	150 mm	330 mm	474 mm	752 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	1000 W	8 l	175 x 153 x 150 mm	25 l/min., max. lift: 4 m	±0.2°C to -10°C	Display 0.1°C, control 0.1°C	-25°C - +150°C	±0.1°C	560 x 420 x 922 mm	250 W	300 W at +20°C, 200 W at 0°C, 110 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCR00412	WCR-12 230 V	230 mm	350 mm	150 mm	400 mm	523 mm	807 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	1500 W	12 l	230 x 181 x 150 mm	25 l/min., max. lift: 4 m	±0.2°C to -10°C	Display 0.1°C, control 0.1°C	-25°C - +150°C	±0.1°C	630 x 530 x 972 mm	250 W	380 W at +20°C, 250 W at 0°C, 130 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCR00422	WCR-22 230 V	290 mm	390 mm	200 mm	483 mm	563 mm	850 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	2000 W	22 l	290 x 220 x 200 mm	25 l/min., max. lift: 4 m	±0.2°C to -10°C	Display 0.1°C, control 0.1°C	-25°C - +150°C	±0.1°C	670 x 615 x 1022 mm	370 W	680 W at +20°C, 500 W at 0°C, 300 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCR00430	WCR-30 230 V	330 mm	460 mm	200 mm	494 mm	633 mm	906 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	2200 W	30 l	330 x 290 x 200 mm	25 l/min., max. lift: 4 m	±0.2°C to -10°C	Display 0.1°C, control 0.1°C	-25°C - +150°C	±0.1°C	740 x 625 x 1072 mm	560 W	850 W at +20°C, 620 W at 0°C, 400 W at -20°C	Temperature sensor PT100	25l/Min.

Baths WCL Circulation water bath 8/12/22/30 Liter, -35°C down to 150°C ±0,1°C

Ideal for:

connection with evaporator

Features:

stainless steel bath, polyurethane insulation of 40 mm thickness and body made of powder-coated steel
innovated refrigeration system ensures temperature performance, includes intelligent control for preventing compressor overload, CFC-free (R-404A)
innovated powerful circulation pump ensures temperature uniformity: internal and external circulation and 5 steps circulation speed
stainless steel flat lid & valve ball included, dome lid optional
RS232C interface: remote monitoring and controlling with PC
proper liquid level tag in bath
user‘s self-compensation function to control difference between real temperature and indicated temperature (±10.0°C)
backlight LCD display
CE certified and unique serial number for tracing

Safety mechanism:

overheat and over-current protection
sensor error detection and leakage breaker
low liquid level warning and automatic stop function
locking mode

Controller:

digital fuzzy controller with Jog-Dial-switch (turn + push) & capacitive touch button

Artikelliste

Order number	Model	Width (inner)	Length (inner)	Height (inner)	Width (Outer)	Length (outer)	Height (outer)	Ideal for	Connections	Pressure	Heating power	Capacity	Effective space	Pump performance	Temperature variation	Temperature control resolution	Temperature range	Temperature accuracy	Packing size	Refrigerator	Cooling capacity	Sensor	Flow rate
DH.WCL00408	WCL-8 230 V	175 mm	320 mm	150 mm	400 mm	523 mm	807 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	1000 W	8 l	175 x 153 x 150 mm	25 l/min., max. lift: 4 m	±0.2°C to -20°C	Display 0.1°C, control 0.1°C	-35°C - +150°C	±0.1°C	630 x 530 x 972 mm	370 W	500 W at +20°C, 340 W at 0°C, 200 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCL00412	WCL-12 230 V	230 mm	350 mm	150 mm	400 mm	523 mm	807 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	1500 W	12 l	230 x 181 x 150 mm	25 l/min., max. lift: 4 m	±0.2°C to -20°C	Display 0.1°C, control 0.1°C	-35°C - +150°C	±0.1°C	630 x 530 x 972 mm	370 W	530 W at +20°C, 370 W at 0°C, 210 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCL00422	WCL-22 230 V	290 mm	390 mm	200 mm	483 mm	563 mm	850 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	2000 W	22 l	290 x 220 x 200 mm	25 l/min., max. lift: 4 m	±0.2°C to -20°C	Display 0.1°C, control 0.1°C	-35°C - +150°C	±0.1°C	670 x 615 x 1022 mm	650 W	860 W at +20°C, 620 W at 0°C, 400 W at -20°C	Temperature sensor PT100	25l/Min.
DH.WCL00430	WCL-30 230 V	330 mm	460 mm	200 mm	494 mm	633 mm	906 mm	Connection with evaporator	External circulation nozzle: inner: Ø10.5mm, outer Ø12.5mm, for inner circulating: connect directly the in-/outlet nozzles	7.5 psi	2200 W	30 l	330 x 290 x 200 mm	25 l/min., max. lift: 4 m	±0.2°C to -20°C	Display 0.1°C, control 0.1°C	-35°C - +150°C	±0.1°C	740 x 625 x 1072 mm	750 W	1030 W at +20°C, 760 W at 0°C, 500 W at -20°C	Temperature sensor PT100	25l/Min.

Vacuum pump Chemker 300 -670 mmHg (120 mbar) 18 l/min chemical resistant (PTFE) - 00829 169300-22

Ideal for:

vacuum filtration
gel electrophoresis
solid phase extraction (SPE)
solvent purification

Features:

high chemical resistant due to PTFE materials
no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
CE certified

Controller:

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

Vacuum pump Chemker 400 -670 mmHg (120 mbar) 33 l/min chemical resistant (PTFE) - 00829 169400-22

Ideal for:

vacuum filtration
gel electrophoresis
solid phase extraction (SPE)
solvent purification

Features:

high chemical resistant due to PTFE materials
no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
CE certified

Controller:

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

Vacuum pump Chemker 410 -750 mmHg (13 mbar) 18 l/min chemical resistant (PTFE) - 00829 169410-22

Ideal for:

vacuum filtration
gel electrophoresis
solid phase extraction (SPE)
solvent purification
rotary evaporator

Features:

high chemical resistant due to PTFE materials
no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
CE certified

Controller:

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

Vacuum pump Chemker 411 -750 mmHg (13 mbar) 18 l/min with vapor trap chemical resistant (PTFE) - 00829 169411-22

Ideal for:

vacuum filtration
gel electrophoresis
solid phase extraction (SPE)
solvent purification
rotary evaporator

Features:

high chemical resistant due to PTFE materials
no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
CE certified

Controller:

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

Compressor Rocker 320 80/100 psi 12 l/min - 00829 167320-22

Ideal for:

aeration
pressure filtration

Features:

no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
air outlet filter device for filtering particles, moisture and supply clean air
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

Compressor Rocker 420 80/100 psi 25 l/min - 00829 167420-22

Ideal for:

aeration
pressure filtration

Features:

no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
air outlet filter device for filtering particles, moisture and supply clean air
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

Air supply system Rocker 440 40-60 psi 25 l/min - 00829 167440-22

Ideal for:

fermenter
bioreactor
gas chromatography

Features:

no air pollution
maintenance-free
quiet operation and low vibration
direct driven motor
air outlet filter device for filtering particles, moisture and supply clean air
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

Dry bath HB-48 one block, up to 150°C

Ideal for:

enzyme reactions, inactivation of sera, incubation and other laboratory procedures
multifunctional dry block heater

Features:

user‘s self-compensation function to offset between real temperature and indicated temperature (±10.0°C)
ergonomic design and modular block
interchangeable block (90 x 120 x 60 mm) for various tubes
molded heater (300W) for temperature accuracy
internal PPS bath ensures best insulation, block made of anodized aluminium
precise temperature control
digital timer function – delay time and operation control
block extraction tongs “BLE101” & block cover are included
storage function for the set values of temperature and timer
various kinds of blocks are offered (optional)
backlight LCD display
CE certified and unique serial number for tracing

Safety mechanism:

locking mode
overheat and over-current protection
sensor error detection

Controller:

digital fuzzy controller with Jog-Dial and main touch button

Artikelliste

Order number	Model	Version	Width (inner)	Length (inner)	Height (inner)	Width (Outer)	Length (outer)	Height (outer)	Heating time	Power consumption	Temperature range	Temperature accuracy	Packing size	Sensor
DH.WHB00348	HB-48 Unit 230V	-	90 mm	120 mm	60 mm	210 mm	309 mm	144 mm	approx. 5°C/min	300 W	ambient to +5°C to 150°C	±0.1 at 37°C, ±0.2°C at 90°C, ±0.4°C at 135°C	400 x 270 x 200 mm	Temperature sensor PT100
DH.WHB00349	HB-48 Set 230V	48 holes for 1.5/2 ml centrifuge tubes	90 mm	120 mm	60 mm	210 mm	309 mm	144 mm	approx. 5°C/min	300 W	ambient to +5°C to 150°C	±0.1 at 37°C, ±0.2°C at 90°C, ±0.4°C at 135°C	400 x 270 x 200 mm	Temperature sensor PT100