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Duct PT100 temperature sensor
Duct PT100 temperature sensor
Supplier Info
[China Supplier]
Contact Person : Ms. Weng Kitty
Tel : 86-21-62441919
Fax : 86-21-62442188
Product Detail
NTC 20K, NTC 10K, PT100 temperature sensor Temperature measurement for air ducts. Wide range of temperature probes Features    

·          Thermistor,PT or NI sensing elements to fit your system

·          Simple and secure installation

·          Wide range of temperature probes

·          Compact size and modern design

Applications

·          On return air ducts to measure heating/cooling return air

·          On supply air ducts to measure heating/cooling supply air

·          In heat exchangers and air handling units to control heating/cooling coils for temperature and humidity control

·          As frost protection sensor

Temperature Sensor

The sensor measures the temperature by use of a NTC, PT or NI sensing element. The sensing element is either a glass packed thermistor with a negative temperature coefficient or a platinum film sensor or a thin nickel layer on a ceramic substrate. Its resistance changes according to the temperature. The change follows a specified curve. Below is a list of available sensor elements, curves and accuracies:

Item name

Sensing element

Curve

Compatible with

N18

Thermistor 1.8k at 25 °C

Curve 5

TAC, CSI

N3

Thermistor 3k at 25 °C

Curve 6

Alerton

N10

Thermistor 10k at 25 °C

Curve 24

Hysine, Alerton,ALC, Delta,Trane, CSI

N11

Thermistor 10k at 25 °C

Curve 7

Andover, Invensys, Carrier, KMC

N20

Thermistor 20k at 25 °C

Curve 20

Honeywell

N100

Thermistor 100k at 25 °C

Curve 9

Siemens SBT

Tp1

PT100

0.3851ohm/K

Honeywell

Tp2

PT1000

3.851ohm/K

Johnson Control

TK5

NI1000

5000ppm/k

Siemens SBT

Ordering

Ordering number:TS-XX-D-YY

XX indicates the sensor element optional,see table above.

YY indicates the probe length. Standard probe length is 20 cm.

For example:TS-N10-D-20

-N10 indicates the sensor element is Thermistor 10k .

-20     indicates the probe length is 20 cm.

Duct probes should be installed directly on the duct, in an area where the air stream is well mixed:

·          Locate a supply air sensor two or three meters down stream from the nearest fan and coil.

·          Mount the return air sensor close to the air inlet but downstream from a return fan if one is present.

·          To install the sensor, assemble base plate and probe, then drill a 8 mm hole and two 3 mm holes on a diameter of 25 mm in the duct.

·          Use two self-tapping sheet metal screws to tighten the mounting circuit in the cover.

·          Connect the wires according to the wiring diagram to the measuring circuit in the cover:

o         The Thermistors require two conductors; normally 18ga unshielded twisted pair.

o         The PT100, PT1000 and NI1000 sensors come with each two terminal connectors in order to connect up to four conductors for compensating conductor resistance.

·          Assemble the cover with the mounting plate.

·          Insert the assembled probe through the center opening of the mounting plate into the air stream.

·          Tighten the horizontal screw on the mounting plate to fix the probe to the duct.

Technical Specification

Sensing Probe

Thermistor:

Range

Accuracy

NTC

-30----70°C

±0.5k

Platinum-Film:

Range

Accuracy

PT,  0.3851ohm/k

-30----70°C

±0.3k

Nickel Thin Layer

     Range

     Accuracy

NI, 5000 ppm/k

-30----70°C

±1k

Connection

Connection Terminals

2.5 mm2

Environment

OperationClimatic ConditionsTemperatureHumidity

To IEC 721-3-3class 3 K5-4070°C<95% r.h.

Transport & StorageClimatic ConditionsTemperatureHumidityMechanical Conditions

To IEC 721-3-2 and IEC 721-3-1class 3 K3 and class 1 K3-4080°C<95% r.h.class 2M2

Standards

          conform according to EMC Standard 89/336/EECEMEI Standard 73/23/EEC

EN 61 000-6-1/ EN 61 000-6-3

Automatic electrical controls for household and similar use

Special requirement on temperature dependent controls

EN 60 730 1

EN 60 730 2 - 9

Pollution Class

Normal acc. To EN 60 730,RoHS compliant

Degree of Protection

IP56 to EN 60 529

Safety Class

III (IEC 60536)

Housing Materials

       Cover & Mounting PlateProbe

Fire proof ABS plastic

Stainless Steel

General

Dimensions [mm]

Cover: 42 x 112 x 88 (H x W x D)Probe: ø 6 x 200 (Diameter x L)

Weight (including package)

135g

Duct PT100 temperature sensor

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