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TT-522 -
Duct Sensors |
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DESCRIPTION
The TT-522 is a
low cost, direct output, Temperature Sensor used to measure
air temperature in ducts. Units contain either a high
quality thermistor, nickel or platinum sensing element.
The sensing element is fitted into a 150mm long brass
probe with holes to allow air to flow directly over the
sensing element. A flange plate is available for adjustment
of penetration depth (order as TT-522-DFP). |
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TT-525 -
Duct Averaging Sensors |
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DESCRIPTION
These low cost,
direct output, Temperature Sensors are used for measuring
temperature in ducts where an average reading across
the air flow is required. Units contain either high quality
thermistor, nickel or platinum sensing elements which
are housed in an 8mm diameter ‘Nylon 12’ tube,
spaced at 0.5m intervals along the standard 2.2m length. |
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TT-526 -
True Duct Averaging Sensors |
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DESCRIPTION
The TT-526 True
Duct Averaging Sensor contains a PT100b element, which
measures at every instantaneous point along the full
length of the 10mm diameter copper tube. |
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TT-531 -
Outside Air Sensors |
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DESCRIPTION
These low cost,
direct output, Temperature Sensors are for measuring
outside air temperature. Units contain either a high
quality thermistor, Nickel or Platinum sensing element.
The sensors are housed in IP65 rated enclosures. The
TT-531 has a 10mm diameter brass cap containing the sensing
element located externally in the shadow of the lid to
curb the effects of solar gain, but should always be
situated in a sheltered position on a north facing wall. |
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TT-532 -
Outside Air Sensors with Radiation Shield |
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DESCRIPTION
Low cost, direct
output, Temperature Sensors for measuring outside air
temperature. Units contain either a high quality thermistor,
nickel or platinum sensing element. The sensors are housed
in IP65 rated enclosures. The TT-532 has the element
fitted into a PTFE radiation shield, designed to provide
fast response times to changes in outside air temperature
and to protect the element from the effects of direct
sunlight. |
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TT-535 -
External Black Bulb Sensors |
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DESCRIPTION
The TT-535 sensor
is used for radiant heat in outdoor spaces. Black Bulb
Temperature Sensors are used to calculate comfort temperature
which is specified as the average of the conductive temperature
and the radiant temperature. Units contain either a high
quality thermistor, platinum or nickel sensing element.
Sensor types compatible with most controls manufacturers’ equipment
are available. |
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TT-541 -
Immersion Sensors |
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DESCRIPTION
These Immersion Sensors
are used for measuring the temperature of liquids in pipework.
Units contain either a high quality thermistor, nickel
or platinum element. The TT-541 sensing element is housed
in a 150mm long brass probe fitted to an IP65 rated enclosure,
for direct mounting into a TT-PO511 brass or TT-PO521 stainless
steel pocket. |
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TT-542 -
High Temperature Immersion Sensors |
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DESCRIPTION
The TT-542 is for
use in high temperature applications up to 400°C.
The sensor consists of a stainless steel probe fitted
to an aluminium head, and connected by a 1m cable to
a plant housing where terminations and transmitters are
located. The TT-542 is available in two standard probe
lengths of 150mm or 250mm, for direct mounting into a
TT-PO521 stainless steel pocket. |
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TT-551 -
Strap-on Sensors |
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DESCRIPTION
The TT-551 is used
to measure pipe temperature, and contain either a high
quality thermistor, nickel or platinum element, which
is housed in a 50mm long brass probe with two metres
of PTFE 2-core screened cable as standard connecting
the probe to an IP65 housing for termination. |
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TT-555 -
Flying Lead Sensors |
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DESCRIPTION
The TT-555 is a
low cost, Direct Output Temperature Sensor used to measure
air temperature, especially in fan-coil units etc., and
contain either a high quality thermistor, nickel or platinum
sensing element suitable for the range –10 to +60°C.
The sensing element is housed in a long acetyl probe,
with two meters of 2-core screened cable fitted as standard.
Longer lengths can be made to order.
Order option (-R) for a cap with the element potted in
a waterproof compound. |
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TT-911 -
Space Sensors |
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DESCRIPTION
The TT-911 is a
low cost, Direct Output Temperature Sensor used for measuring
air temperature in a room environment. Units contain
either a high quality thermistor, nickel or platinum
sensing element. Active outputs (0-10Vdc or 4-20mA) are
also available.
The TT-911 can be configured with a variety of user interface
options including, setpoint control, fan speed switching,
latching or momentary switching.
Sontay also offers a complete range of customised user
interfaces for every requirement. See Sontay’s
UI-500 series or call our Customer Service Team for more
information. |
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TT-GD -
Space Sensor Guard |
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DESCRIPTION
The TT-GD is designed
to protect the TT-915 or TT-911 temperature sensors from
accidental damage.
FEATURES
• Robust
construction
• Easy fixing |
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TT-PO -
Immersion Sensor Pockets |
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DESCRIPTION
TT-PO511 Brass
Pockets and TT-PO521 Stainless Steel Pockets are for
use with immersion sensors TT-541 and TT-542 to measure
the temperature of liquids in pipes and vessels. Pockets
are designed to accept 150 x 6mm dia. probes, which are
locked in position by a grub screw.
Pockets can be installed in any system that is constructed
from compatible materials whose operating pressures are
within the specified ranges and fit into a 1⁄2” BSPT
boss using a thread-seal compound. |
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