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Digital burette / bottle-top burette TITREX

The digital burette TITREX is ideal for a fast and sensitive titration “drop by drop”. One instrument simulates all volumes up to 99.99 ml. Moreover, titration is possible without any loss of reagent! From air-purging, necessary for a precise titration, to disassembly of the burette in the end of the titration – the reagent, that is not needed for the titration flows back into the bottle! TITREX‘s accuracy and precision are of highest quality. Our error ranges are better than those required by ISO 8655-3. The memory function allows saving of up to 1000 values, which can be transferred to a PC and read using the included software.

Your advantage at a glance:

high quality precision instrument, made in Germany
highest accuracy and precision, our error ranges are better than the DIN EN ISO 8655-3 requirements
resistant against most acids and alkalis
exclusive instrument with 0% loss of reagent - air-purging and draining within a closed circuit
360° rotatable valve block for your added safety
two-in- one instrument: dosing & titration
covers the complete volume range up to 50 ml when used as a dispenser and up to 99.99 ml when used as a burette
easy and precise volume setting
vertical valves: no sedimentation, no contamination
100 % drip-free by turning the cannula at 180°
no transcriptions errors due to automatic value storage and the possibility of
transferring values to a PC via RS232 interface (USB adapter optional available)
calibration: standard with water of 20°C
software enables saving the next calibration date
recalibration for liquids of different viscosities possible e.g. determination of acid content in milk
easy to dismantle and to clean, valve block autoclavable at 121°C
automatic power-cut-off after three minutes
including NiMH 1,2V 2100mAh battery
individual certificate, CE label and serial number
DE-M marked according to the German calibration law

Artikelliste

Order number	Model	Version	Autoclavable	Thread	Systematic errors ISO	Systematic errors witeg	Random errors ISO	Random errors witeg	Volume	Volume adjustment	Accessories
5 497 050	TITREX premium	premium	Valve block at 121°C	GL45	±0.1 ml	±0.03 ml	≤0.05 ml	≤0.01 ml	0 - 50 ml	Handwheels (left and right)	incl. TITREXSOFT and RS232 interface cord
5 497 050 E	TITREX eco	eco	Valve block at 121°C	GL45	±0.1 ml	±0.1 ml	≤0.05 ml	≤0.05 ml	0 - 50 ml	Handwheels (left and right)	TITREXSOFT and RS232 interface cord not included in the scope of supply
5 497 150	TITREX fine adjustment	finely adjustable	Valve block at 121°C	GL45	±0.1 ml	±0.03 ml	≤0.05 ml	≤0.01 ml	0 - 50 ml	Handwheels (left and right)	incl. TITREXSOFT and RS232 interface cord

Rocker 900 oil free vacuum pump 230 V max. vacuum 85 mbar 90 L/min at 50Hz - 00829 167900-22

Ideal for:

vacuum filtration
vacuum drying / oven / defoaming
suspended solid test
microbiological test
air sampling

Features:

lubricant and oil free piston
no air pollution
CE certified

Controller:

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

Rocker 901 oil free vacuum pump 230 V max. vacuum 85 mbar 100 L/min at 50Hz - 00829 167901-22

Ideal for:

vacuum filtration
vacuum drying / oven / defoaming
suspended solid test
microbiological test
air sampling

Features:

lubricant and oil free piston
no air pollution
CE certified

Controller:

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

Rocker 910 oil free vacuum pump 230 V max. vacuum 25 mbar 45 L/min at 50Hz - 00829 167910-22

Ideal for:

vacuum filtration
vacuum drying / oven / defoaming
suspended solid test
microbiological test
air sampling

Features:

lubricant and oil free piston
no air pollution
CE certified

Controller:

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

Rocker 911 oil free vacuum pump 230 V max. vacuum 25 mbar 55 L/min at 50Hz - 00829 167911-22

Ideal for:

vacuum filtration
vacuum drying / oven / defoaming
suspended solid test
microbiological test
air sampling

Features:

lubricant and oil free piston
no air pollution
CE certified

Controller:

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

Air valve with lifetime display for witeg Safety caps for HPLC - 8 257 216

for optimal protection against contamination
with 1/4" thread
with automatic lifetime indicator
6 months usable from start

Activated carbon exhaust filter witeg Safety caps for HPLC - 8 257 221

with automatic lifetime indicator
6 months usable from start
for safety caps GLS 60 (article no. 8 257 220)

Canisters, PE

with screw cap
stackable

Artikelliste

Order number	Model	Width (Outer)	Length (outer)	Height (outer)	Capacity	Diameter
7 189 001	PE-canister	145 mm	195 mm	250 mm	5 l	Neck Ø33 mm
7 189 002	PE-canister	190 mm	230 mm	310 mm	10 l	Neck Ø33 mm
7 189 003	PE-canister	250 mm	290 mm	380 mm	20 l	Neck Ø49 mm
7 189 003	PE-canister	280 mm	360 mm	415 mm	30 l	Neck Ø49 mm

Canister, PE-HD

with screw cap
stackable
matched to Euro pallet
DIN 60
with UN Dangerous Goods Approval (UN 3H1/Y1.9)

Artikelliste

Order number	Model	Width (Outer)	Length (outer)	Height (outer)	Capacity	Diameter
7 189 104	PE-HD-canister	250 mm	290 mm	460 mm	25 l	Neck Ø48 mm
7 189 103	PE-HD-canister	250 mm	290 mm	380 mm	20 l	Neck Ø48 mm
7 189 105	PE-HD-canister	280 mm	360 mm	415 mm	30 l	Neck Ø48 mm

Laboratory bottles, GLS 80

easy and convenient filling and removal due to the large outer diameter of the bottle neck
autoclavable and sterilizable due to its high thermal shock resistance
without screw cap
made of DURAN® glass

Artikelliste

Order number	Model	Thread
5 527 602 GLS	Amber glass	GLS 80
5 527 602 GLS	Clear glass	GLS 80
5 528 600 GLS	Amber glass	GLS 80
5 527 600 GLS	Clear glass	GLS 80
5 528 601 GLS	Amber glass	GLS 80
5 527 601 GLS	Clear glass	GLS 80

PTFE tubing

chemical resistance: universell
temperature resistant from -200°C to +260°C

Artikelliste

Order number	Model	Diameter (inner)	Diameter (outer)	Pressure	Wall thickness
7 420 760	Bending radius 6 mm	0.5 mm	(1/16“) - 1.6 mm	Burst pressure 960 bar	0.70 mm
7 420 761	Bending radius 4 mm	0.5 mm	(1/16“) - 1.6 mm	Burst pressure 606 bar	0.65 mm
7 420 762	Bending radius 5 mm	0.5 mm	(1/16“) - 1.6 mm	Burst pressure 308 bar	0.55 mm
7 420 763	Bending radius 7 mm	(1/32“) - 0.8 mm	(1/16“) - 1.6 mm	Burst pressure 140 bar	0.40 mm
7 420 764	Bending radius 8 mm	1.0 mm	(1/16“) - 1.6 mm	Burst pressure 84 bar	0.30 mm
7 420 765	Bending radius 13 mm	(1/16“) - 1.6 mm	(1/8“) - 3.2 mm	Burst pressure 140 bar	0.80 mm
7 420 766	Bending radius 25 mm	2.4 mm	(1/8“) - 3.2 mm	Burst pressure 46 bar	0.40 mm

FEP tubing

transparent
chemical resistance: universell
temperature resistant from -200°C to +205°C

Artikelliste

Order number	Model	Diameter (inner)	Diameter (outer)	Pressure	Wall thickness
7 420 770	Bending radius 7 mm	(1/32“) - 0.8 mm	(1/16“) - 1.6 mm	Burst pressure 112 bar	0.40 mm
7 420 771	Bending radius 13 mm	(1/16“) - 1.6 mm	(1/8“) - 3.2 mm	Burst pressure 112 bar	0.70 mm

PFA tubing

transparent
chemical resistance: universell
temperature resistant from -200°C to +260°C

Artikelliste

Order number	Model	Diameter (inner)	Diameter (outer)	Pressure	Wall thickness
7 420 780	Bending radius 7 mm	(1/32“) - 0.8 mm	(1/16“) - 1.6 mm	Burst pressure 140 bar	0.40 mm
7 420 781	Bending radius 13 mm	(1/16“) - 1.6 mm	(1/8“) - 3.2 mm	Burst pressure 140 bar	0.80 mm

Magnetic stirring bars made of glass

Magnetic stirring bars

cylindrical
protective cover made of borosilicate glass
with permanent magnet

Artikelliste

Order number	Model	Length (outer)	Diameter (outer)
7 211 018 G	protective cover made of borosilicate glass	15 mm	8 mm
7 211 019 G	protective cover made of borosilicate glass	20 mm	8 mm
7 211 020 G	protective cover made of borosilicate glass	25 mm	8 mm
7 211 021 G	protective cover made of borosilicate glass	30 mm	8 mm
7 211 009 G	protective cover made of borosilicate glass	40 mm	8 mm
7 211 010 G	protective cover made of borosilicate glass	45 mm	8 mm
7 211 011 G	protective cover made of borosilicate glass	50 mm	8 mm
7 211 022 G	protective cover made of borosilicate glass	55 mm	8 mm

Magnetic stirring bar retriever -

Magnetic stirring bar retriever

protective cover made of borosilicate glass
diameter in the magnet area 15 mm
total length 350 mm

Racks for microliter pipettes Witopet EP - 5 406 105

Pipette rack for "Witopet EP" with 5 places

Dropping funnel 100ml 2 x ST 14/23 - 1 895 013

Dropping funnel, with pressure equalization, cylindrical, graduated, with Drip-Nozzle, ST-stopcock, , with screw thread retaining nut, 100:2ml, 2 x ST 14/23, bore: 2,5mm, Pack = 2 pcs

LABORATORY BOTTLES 20000ml - 5 061 020

Laboratory bottles, boro-glass, 20 000 ml, w. safety coating Witoform, without screw cap and pouring ring

Flexible discharge tubing PTFE - 5 375 002 R

Flexible discharge tubing, PTFE, 180 cm, coiled, complete, with tubing support, for dispenser 2,5-10 ml O.Ø 3 mm, I.Ø 2 mm

MINISPENSOR-discharge tube (canula) - 5 375 003 M

MINISPENSOR-discharge tube, (canula), bent with fine tip, made of FEP, with cap nut 25 - 100 µl

Flexible discharge tubing for LABMAX, 25-100 ml - 5 375 012 R

Flexible discharge tubing for LABMAX, 25-100 ml, O.D. 6 mm, I.D. 4 mm, length: 180 cm

Discharge tubes for MINISPENSOR bent - 5 375 015

Discharge tubes for MINISPENSOR, bent, 1000 - 2000 µl

MINISPENSOR filling tube made of FEP - 5 375 016

MINISPENSOR filling tube, made of FEP, volume range from 1000 - 2000 µl

Measuring Cylinder PMP 10ml tall form - 7 002 001

Measuring cylinder, content 10 ml: 0.2 ml, PMP, conformity certified, main point ring division, height 139 mm, Ø 13.5 mm, with raised scale

Measuring Cylinder PMP 2000ml tall form - 7 002 008

Measuring cylinder, content 2000 ml: 20 ml, PMP, conformity certified, main point ring division, height 531 mm, Ø 84 mm, with raised scale

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