witeg Labortechnik GmbH

Burette Pellet burette class B intermediate stopcock white graduated amber glass

short line graduation
DIN EN ISO 385
error ranges are better than the DIN EN ISO 385 requirements
lateral and intermediate stopcock
made of borosilicate glass 3.3
2L reservoir bottle

Artikelliste

Order number	Model	Version	Color	Material	Numeric division	Vessel capacity	Capacity	Accessories	Graduation	Stopcock	Class	Tolerance ISO	Tolerance witeg	DIN
3 114 106	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,02 ml	2 l	10 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: solid ST-glass plugs	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 256	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,05 ml	2 l	25 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: solid ST-glass plugs	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 506	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,1 ml	2 l	50 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: solid ST-glass plugs	B	±0.1 ml	±0.08 ml	DIN EN ISO 385
3 114 906	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,2 ml	2 l	100 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: solid ST-glass plugs	B	±0.2 ml	±0.2 ml	DIN EN ISO 385
3 114 107	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,02 ml	2 l	10 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: PTFE needle valve	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 257	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,05 ml	2 l	25 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: PTFE needle valve	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 507	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,1 ml	2 l	50 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: PTFE needle valve	B	±0.1 ml	±0.08 ml	DIN EN ISO 385
3 114 907	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,2 ml	2 l	100 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-glass plugs, lateral stopcock: PTFE needle valve	B	±0.2 ml	±0.2 ml	DIN EN ISO 385
3 114 108	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,02 ml	2 l	10 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-PTFE plugs, lateral stopcock: PTFE needle valve	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 258	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,05 ml	2 l	25 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-PTFE plugs, lateral stopcock: PTFE needle valve	B	±0.05 ml	±0.03 ml	DIN EN ISO 385
3 114 508	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,1 ml	2 l	50 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-PTFE plugs, lateral stopcock: PTFE needle valve	B	±0.1 ml	±0.08 ml	DIN EN ISO 385
3 114 908	Automatic burette	Pellet	amber glass	Borosilicate glass 3.3	Strichteilung 0,2 ml	2 l	100 ml	reservoir bottle	white graduated	Intermediate stopcock: ST-PTFE plugs, lateral stopcock: PTFE needle valve	B	±0.2 ml	±0.2 ml	DIN EN ISO 385

Centrifuge tubes graduated, heavy wall ~1.8mm

graduated
heavy wall ~1,8mm
made of borosilicate glass 3.3

Artikelliste

Order number	Model	Version	Diameter (outer)	Form	Material	Capacity	Width(outer)	Diameter	Graduation	Length(outer)	Wall thickness
4 940 102	Centrifuge tubes	heavy wall	16 mm	round bottom	Borosilicate glass 3.3	15 ml		16 mm	10ml:0.1	100 mm	~~1.8 mm
4 940 103	Centrifuge tubes	heavy wall	24 mm	round bottom	Borosilicate glass 3.3	25 ml		24 mm	25ml:0,5	100 mm	~~1.8 mm
4 940 104	Centrifuge tubes	heavy wall	34 mm	round bottom	Borosilicate glass 3.3	50 ml		34 mm	45ml:0.1	100 mm	~~1.8 mm
4 940 105	Centrifuge tubes	heavy wall	44 mm	round bottom	Borosilicate glass 3.3	100 ml		44 mm	85ml:0.1	100 mm	~~1.8 mm
4 940 107	Centrifuge tubes	heavy wall	56 mm	round bottom	Borosilicate glass 3.3	250 ml		56 mm	200ml:5	147 mm	~~1.8 mm
4 945 101	Centrifuge tubes	heavy wall	16 mm	conical bottom	Borosilicate glass 3.3	15 ml		16 mm	10ml:0.1	98 mm	~~1.8 mm
4 945 102	Centrifuge tubes	heavy wall	24 mm	conical bottom	Borosilicate glass 3.3	25 ml		24 mm	20ml:0.1	98 mm	~~1.8 mm
4 945 103	Centrifuge tubes	heavy wall	34 mm	conical bottom	Borosilicate glass 3.3	50 ml		34 mm	45ml:0.1	98 mm	~~1.8 mm
4 945 104	Centrifuge tubes	„M“	44 mm	conical bottom	Borosilicate glass 3.3	100 ml	100 mm	44 mm	85ml:0.1	38 m	~~1.8 mm

for test tubes, culture tubes and reaction vessels white

made of PP
autoclavable up to121°C
detachable
more colors available

Artikelliste

Order number	Model	Version	Autoclavable	Diameter (inner)	Color	Material	Width(outer)	Height(outer)	Length(outer)
7 073 102	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	100 Holes, Hole Ø micro tubes 1.5/2.0 ml	white	PP	108 mm	45 mm	262 mm
7 073 103	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	90 Holes, Hole Ø13 mm	white	PP	104 mm	60 mm	247 mm
7 073 104	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	60 Holes, Hole Ø16 mm	white	PP	104 mm	70 mm	247 mm
7 073 105	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø20 mm	white	PP	104 mm	70 mm	247 mm
7 073 106	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø25 mm	white	PP	124 mm	85 mm	297 mm
7 073 107	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	24 Holes, Hole Ø30 mm	white	PP	111 mm	85 mm	301 mm

for test tubes, culture tubes and reaction vessels blue

made of PP
autoclavable up to121°C
detachable
more colors available

Artikelliste

Order number	Model	Version	Autoclavable	Diameter (inner)	Color	Material	Width(outer)	Height(outer)	Length(outer)
7 073 102 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	100 Holes, Hole Ø micro tubes 1.5/2.0 ml	blue	PP	108 mm	45 mm	262 mm
7 073 103 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	90 Holes, Hole Ø13 mm	blue	PP	104 mm	60 mm	247 mm
7 073 104 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	60 Holes, Hole Ø16 mm	blue	PP	104 mm	70 mm	247 mm
7 073 105 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø20 mm	blue	PP	104 mm	70 mm	247 mm
7 073 106 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø25 mm	blue	PP	124 mm	85 mm	297 mm
7 073 107 BL	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	24 Holes, Hole Ø30 mm	blue	PP	111 mm	85 mm	301 mm

for test tubes, culture tubes and reaction vessels yellow

made of PP
autoclavable up to121°C
detachable
more colors available

Artikelliste

Order number	Model	Version	Autoclavable	Diameter (inner)	Color	Material	Width(outer)	Height(outer)	Length(outer)
7 073 102 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	100 Holes, Hole Ø micro tubes 1.5/2.0 ml	yellow	PP	108 mm	45 mm	262 mm
7 073 103 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	90 Holes, Hole Ø13 mm	yellow	PP	104 mm	60 mm	247 mm
7 073 104 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	60 Holes, Hole Ø16 mm	yellow	PP	104 mm	70 mm	247 mm
7 073 105 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø20 mm	yellow	PP	104 mm	70 mm	247 mm
7 073 106 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø25 mm	yellow	PP	124 mm	85 mm	297 mm
7 073 107 G	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	24 Holes, Hole Ø30 mm	yellow	PP	111 mm	85 mm	301 mm

for test tubes, culture tubes and reaction vessels red

made of PP
autoclavable up to121°C
detachable
more colors available

Artikelliste

Order number	Model	Version	Autoclavable	Diameter (inner)	Color	Material	Width(outer)	Height(outer)	Length(outer)
7 073 102 R	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	100 Holes, Hole Ø micro tubes 1.5/2.0 ml	red	PP	108 mm	45 mm	262 mm
7 073 103 R	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	90 Holes, Hole Ø13 mm	red	PP	104 mm	60 mm	247 mm
7 073 104 R	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	60 Holes, Hole Ø16 mm	red	PP	104 mm	70 mm	247 mm
7 073 105 R	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø20 mm	red	PP	104 mm	70 mm	247 mm
7 073 106 R	Rack	for test tubes, Culture tubes und Reaction vessels	up to 121°C	40 Holes, Hole Ø25 mm	red	PP	124 mm	85 mm	297 mm
7 073 107 R	Rack	for test tubes	up to 121°C	12 Holes, Hole Ø21 mm	red	PP	111 mm	80 mm	190 mm

porcelain Lid

made of Porcelain
glazed
Crucible and lid must be ordered separately

Artikelliste

Order number	Model	Form	Material	Diameter
8 520 103	Crucible lid	tall form	Porcelain, glazed	26 mm
8 518 103	Crucible lid	low form	Porcelain, glazed	35 mm
8 518 104	Crucible lid	low form	Porcelain, glazed	40 mm
8 518 105	Crucible lid	low form	Porcelain, glazed	45 mm
8 518 106	Crucible lid	low form	Porcelain, glazed	50 mm
8 518 107	Crucible lid	low form	Porcelain, glazed	60 mm
8 518 109	Crucible lid	medium form	Porcelain, glazed	83 mm
8 519 102	Crucible lid	medium form	Porcelain, glazed	30 mm
8 519 103	Crucible lid	medium form	Porcelain, glazed	35 mm
8 519 104	Crucible lid	medium form	Porcelain, glazed	40 mm
8 519 105	Crucible lid	medium form	Porcelain, glazed	45 mm
8 519 106	Crucible lid	medium form	Porcelain, glazed	50 mm
8 519 107	Crucible lid	medium form	Porcelain, glazed	52 mm
8 519 108	Crucible lid	medium form	Porcelain, glazed	60 mm
8 519 109	Crucible lid	medium form	Porcelain, glazed	74 mm
8 519 110	Crucible lid	medium form	Porcelain, glazed	70 mm
8 519 111	Crucible lid	medium form	Porcelain, glazed	80 mm
8 519 112	Crucible lid	medium form	Porcelain, glazed	89 mm
8 520 104	Crucible lid	tall form	Porcelain, glazed	30 mm
8 520 105	Crucible lid	tall form	Porcelain, glazed	35 mm
8 520 106	Crucible lid	tall form	Porcelain, glazed	40 mm
8 520 107	Crucible lid	tall form	Porcelain, glazed	45 mm
8 520 108	Crucible lid	tall form	Porcelain, glazed	50 mm
8 520 109	Crucible lid	tall form	quartz-glass	60 mm

CLIPS FOR JOINTS ST 14/23 - 12 107

CLIPS FOR JOINTS, ST 14/23

Precision low temperat. lab. Thermometer - 1 274 107

Prec. low temp. lab. thermometer, yellow enamelled, DIFFICO-grad, organic liquids -100+30°C, Dia.6-7mm, L.400 mm

Drying tube ST 14/23 - 13 107

Drying tube ST 14/23

Condenser Graham - 14 107

Condenser, Graham, 160 mm, 2 ST 14/23

Pressure screw cap GL 45 - 1 469 107

Pressure screw cap, GL 45, for shafts Ø 16 mm, for 1 469 021 / 1 469 022

Extractor using lighter solvents - 15 107

Extractor, using lighter solvents, ST 29/32 - ST 14/23

Dropping funnel 500ml ST 29/32 - 1 893 107

Dropping funnel, cylindrical, graduated,
with Drip-Nozzle, ST-PTFE-stopcock, without pressure equalization, with screw thread retaining nut, 500:10ml, 2 x ST 29/32, bore 4mm, Pack = 2 pcs.

Dropping funnel 500ml 2 x ST 29/32 - 1 895 107

Dropping funnel, with pressure equalization, cylindrical, graduated, with Drip-Nozzle, ST-PTFE-stopcock, with screw thread retaining nut, 500:10ml, 2 x ST 29/32, bore: 4mm, Pack = 2 pcs.

DRYING TUBE ST 19/26 - 21 107

DRYING TUBE, ST 19/26

Extractor acc. to Soxhlet ST 29/32 - ST 45/40 - 23 107

Extractor acc. to Soxhlet, ST 29/32 - ST 45/40 (f. extraction thimbles 94 x 33 mm)

WASH BOTTLE 100 ML POLYETHYLEN - 24 107

WASH BOTTLE 100 ML, POLYETHYLEN

Hybridization bottle 38 x 150 mm - 2 446 107

Hybridization bottle 38 x 150 mm, with GL 45 cap and silicone sealing borosilicate glass

HYBRIDIZATION BOTTLE 40 X 75 MM - 2 450 107

HYBRIDIZATION BOTTLE 40 X 75 MM, WITH GL 45 CAP AND SILICONE SEALING, BOROSILICATE GLASS

Culture flasks "Biogen" Erlenmeyer shape - 5 507 107

Culture flasks "Biogen", Erlenmeyer shape, triple battled flask, neck straight for metal caps, 1000 ml, flask Ø 131 mm, height 232 mm, neck Ø 38 mm

ADJUSTABLE HANGING BAR SPINNER FLASKS 6000 ML - 5 529 107

ADJUSTABLE HANGING BAR SPINNER FLASKS 6000 ML, WITH SILICONERUBBER STOPPER "BIOGEN" GL 45, STOPPER NO. 14

Burette with PTFE needle valve brown graduated Class B - straight stopcocks Capacity: 10ml - 3 000 107 B

Burette with PTFE needle valve brown graduated, Class B - straight stopcocks, Capacity: 10ml, Division: 0,02ml, Tolerance: ±0,03ml, short line graduation, DIN EN ISO 385, made of borosilicate glass 3.3, Made in Germany

Measuring cylinder PMP 10ml low shape - 7 007 107