Jenway | Fluorimeters
Technology
Jenway | 6200 series
Jenway offers three fluorimeter models to cover a wide range of applications and fluorescence measurements.
The 6280 fluorimeter model is ideal for the most sensitive determinations with emission wavelengths up to 650nm.
When higher emission wavelengths are required the 6285 fluorimeter with its red-enhanced detector is the unit
of choice. For less sensitive applications and a broader wavelength range up to 1100nm the low cost 6270
fluorimeter unit is more suitable.
With press-to-read operation and Total Energy Transfer (TET) technology the output of the high-energy xenon
lamp is maximized and its expected life extended so that it should never need replacing within the normal
lifetime of the unit. The high quality optics are complemented by the Intelligent Filter Modules (IFM)
that are identified by the unit, generating error messages should the wrong filters be fitted or
their positions be incorrect.
Each fluorimeter model offers intuitive operation with a user interface based on logical menus that
can be navigated from the simple keypad. Up to 20 methods can be created without restriction and saved
for future use. They can also be locked against accidental change by password entry. The permanent
time and date tag on every stored reading supports Good Laboratory Practice, while calibration reminders
and operator identity can also be entered to support conformance and traceability of results.
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Jenway | Fluorescence Filters
There are 3 types of filters for the Jenway fluorimeters:
The bandpass filters are ideal as excitation filters as they allow only the light between
the specified wavelengths through to the sample. For example, UG1 allows all the light
between 320 and 380nm through and excludes the light below 320nm and above 380nm.
The cut-off and interference filters are normally used as the emission filters where
a much narrower range of wavelengths is required. The cut-off filters block all light
below the specified wavelength and the interference filters allow the specified wavelength
and light ±5nm of this through to the sample.
Jenway | 62 Series Fluorimeter Accessories
Sipper Pump
The programmable peristaltic sipper pump can be adjusted by the operator to inject a repeatable volume
of sample or standard into the chamber of a flow-through cuvette. Other options are:
Heated Cell System
The electrically heated cell holder with its digital control unit ensures samples are always at the same temperature. This can be very important as fluorescence is inversely proportional to temperature, so care must be taken if comparing samples at different ambient temperatures.
Temperature can also affect other sample properties, for example the rate of enzymatic reactions.
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