FD100 Freeze dryer probe0 pages

DATA SHEET No. 009

Freeze Dryer Probe

Freeze Dryer Probe

When attempting to accurately measure the temperature of very small
volumes of liquid product, a balance has to be achieved between
accuracy and time response, due to the proportionately large mass of
the sensor.
The FD100 sensor assembly was designed to meet these particular
requirements and utilises a miniature detector positioned such that the
sensing face of the detector is in direct contact with the inside face of
the probe tip.
To ensure minimum thermal conductivity, the stainless steel probe tip is
also thermally isolated from the main sensor stem.

S P E C I F I C A T I O N
MECHANICAL
Sensing tip

4.5mm OD (min) x 6mm long (min) in 316L (1.4044)
stainless steel.

Main stem

4.0mm OD x 20mm long in 316L (1.4044) stainless steel.
ELECTRICAL

Resistance Thermometer
Detector

single PT100 with 3 or 4 wire connection, Class ‘A’
tolerance to BS EN 60751:2008.

Flying lead

PTFE insulated copper conductors, 7/0.16mm to ASTM-B298 with a 250V RMS rating and 3,000mm long.

Operating range

-65 to +150°C.

For an effective and leak free chamber entry, sealing glands utilising soft
sealant technology are recommended. For further information please see Data
Sheet No 100.

Product code : FD100

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