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Stainless
Steel
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Features of Stainless Steel DO probes
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Dissolved Oxygen Electrodes |
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| The Phoenix
family of steam sterilizable dissolved oxygen electrodes is
specifically designed for fermentation applications where the
DO electrodes are subjected to repeat steam sterilization. A
unique feature of the Polarographic electrodes is the easily
replaced membrane cartridge. The membrane is of special
construction - a silicon and teflon composite reinforced with
stainless steel mesh. This design is extremely rugged and
ideal for use in extreme conditions such fermenters. The
electrode can be operated without maintenance for 5 to 10
sterilizations, fermentation cycles - or 6 to 8 weeks. The Biolaffitte type galvanic DO electrodes features FEP Teflon membranes The polarographic
dissolved oxygen electrodes are availble with or without
automatic temperature compensation. They are designed to match
the Ingold IL oxygen amplifier. Temperature compensation is
not normally required when calibration is made at the same
temperature that the Fermenter will be controlled. ( without
variation ) |
Specifications Stainless Steel Dissolved Oxygen Probes |
| Type | Polarographic | Polarographic | Polarographic | Galvanic | Galvanic |
| Model | 0251P25 | 0251P26 | 0251P27 | 025BG25 | 025NG25 |
| Cathode | Pt | Pt | Pt | Ag | Ag |
| Anode | Ag/AgCl | Ag/AgCl | Ag/AgCl | Pb | Pb |
| Response | 98% 60 Secs | 98% 60 Secs | 98% 60 Secs | 98% 60 Secs | 98% 60 Secs |
| Stability | < 2% | < 2% | < 2% | < 2% | < 2% |
| Temperature Compensation |
None | Yes | Yes | None | None |
| Temperature Range |
0 - 80°C | 0 - 80°C | 0 - 80°C | 0 - 80°C | 0 - 80°C |
| Sterilization Temperature |
130°C | 130°C | 130°C | 130°C | 130°C |
| Residual Signal |
< 1nA | < 1nA | < 1nA | 0.5 - 1mV | < 0.4 uA |
| Output | 50 nA | 50 nA | 50 nA | 35 +/-10 mV | 10- 15 UA |
Ordering Information DO Electrodes |
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| Make up complete part no. as follows Sensor Type + Temperature compensation + length + mounting | ||||||
| Sensor Type | Temperature compensation |
Length mm |
Mounting | |||
| 0251P | Polarographic Stainless Steel |
25 | Non | xxx | 01 | 3/8"
male NPT thread, 14 mm diam body. Fig A4 |
| 025BG | Galvanic LSL Biolaffite, Phoenix and Applikon compatible | 26 | For Ingold | 03 | 3/4"
NPT male thread 19 mm diam body. Fig A3 |
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| 025NG | Galvanic, New Brunswick | 27 | Phoenix, Cole Palmer, B&C, Consort- Topac | 05 | M18 x 1.5
male thread (LSL Biolaffite & Applicon Headplate 16 mm diam. Fig A2 |
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| 07 | 19 mm
socket flange 19 mm Diam. Fig A1 |
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| 08 | 25 mm
socket flange 19 mm body. Fig A5 |
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| 10 | 12 mm body
diam straight body. Fig A6 |
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| 11 | 12 mm body
diameter, PG 13.5 thread Fig A6 |
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Tel:
781 740 8778 Fax: 781 740 8779
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