InTrac 796 – the original retractable housing for ... - Mettler Toledo

Retractable housings InTrac 796
InTrac 796 – the original retractable housing for
sterilization of electrodes in biotech processes.
InTrac 796 is designed to meet the
specific application requirements of
biotechnology processes.
The InTrac 796 is a state-of-theart
retractable housing specifically
designed for on-line measuring
applications in the biotechnology
industry.
It enables safe insertion and withdrawal
of sensors during an ongoing
process without compromising
sterility.
– Twin chamber lock enables easy
electrode maintenance or replacement
and steam-sterilization
in-situ, without process interruption
or compromise on sterility
– Enhanced safety in combination
with safety weld-in socket
– Side-mounting in bioreactors and
vessels through 25 mm standard
(Ingold) or safety weld-in sockets
– Suited for high-precision, liquidelectrolyte
ph and redox electrodes
– Versions for manual or pneumatic
operation
– Pressure resistant up to 6 bar
(85 psi), allowing application in
large-scale industrial fermenters
and process vessels

∅ 68
∅ 75
∅ 50
R1 1/4"
∅ 25
43
H = 75
1. «OUT» position approx. 575
2. «IN» position approx. 527
3. approx. 565
a = 250 1
2 3
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ISO
9001
certified
ISO
14001
certified
Management System
certified according to
ISO 9001 / ISO 14001
Retractable housings InTrac 796
Retractable housing for use in biotech.
The electrode can be sterilized inside the housing when in retracted position, using the
controlled environment of the twin-chamber lock. This double lock effectively protects the
process from any intrusion of contamination after insertion of the electrode. The housing
also enables the electrode to be withdrawn from the process for maintenance purposes
under sterile conditions while the process is still running. After servicing or exchange, the
electrode can be steam-sterilized within the housing before reinsertion into the process
medium, without any fear of contamination.
The InTrac 796 is easily installed through the side of the reactor or vessel, using a 25 mm
weld-in socket (Ingold type or METTLER TOLEDO safety socket). It is available either as a
manually operated version or with pneumatic drive.
Specifications
Pressure in reactor:
Temperature ranges
InTrac 796-M/75, InTrac 796-P/75
dependant on electrode specification, but not more then 6 bar (85 psi)
Retractable member: 0...130°C (32...266°F), steam-sterilizable
Headpart: 0...80°C (32...176°F)
Weld-in socket: ID = 25 mm, L = 40 mm, 15° chamfer
Insertion length:
Materials
H = 75 mm
Process wetted: Stainless steel, DIN 1.4435 with 3.1b material certificate
Headpart: POM (polyoxymethylene) and PP (polypropylene)
Seals process wetted: Viton ® FDA
Flushing connections: G 1 ⁄8 " thread
Ordering Information
Designation Order no.
InTrac 796-M/75 (manual) 00 796 3002
InTrac 796-P/75 (pneumatic) 00 796 3010
(Fitting sets for steam lines see «spare parts and accessories»)
Standard-Electrodes
Designation Order no.
pH electrode: InPro 2000/250/Pt100/9848 52 001 436
pH electrode: InPro 2000/250/Pt1000/9848 52 001 437
pH electrode: 465-50-SC-P-S7/250/9848 10 465 4503
Redox electrode: Pt 4865-50-SC-S7/250/9848 10 565 3140
For the retractable installation of low maintenance gel-filled electrodes and 12 mm 02 or turbidity sensors,
we recommend the InTrac 797 housing.
Spare parts and accessories
Description Order no.
Service kit, small 00 796 2003
Service kit, large 00 796 2002
Weld-in socket, inclined 15°, L = 40 mm, stainless steel DIN 1.4435 00 764 1014
Safety weld-in socket, inclined 15°, L = 40 mm, stainless steel DIN 1.4435 52 400 462
Fitting set for InTrac 796/797 Serto, Material: 1.4571 00 797 2006
Fitting set for InTrac 796/797 Gyrolok, Material: 1.4401 00 797 2008
Fitting set for InTrac 796/797 Swagelok, Material: 1.4401 00 797 2007
Conversion kit, manual to pneumatic operation 00 777 2004
Gasket 20 305 1004
Temperature sensor Pt100-764/5m 10 100 3104
The retractable housing InTrac 796 together with the appropriate electrode and a transmitter
from METTLER TOLEDO offer a complete system for the most accurate and reproducible
measurement of pH and redox values in biotechnology.
Mettler-Toledo GmbH, Process Analytics,
Industrie Nord, CH-8902 Urdorf,
Phone +41-1-736 22 11, Fax +41-1-736 26 36
Subject to technical changes.
© Mettler-Toledo GmbH 02/01 (Version 1.0)
Printed in Switzerland. 52 400 084
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