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HTx Series Heat Flux Sensors

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Thermoelectric Heat Flux Sensors of HTx series – the series of ultra-high sensitive and self-calibrating Sensors with integrated Pt1000 thermistors. The Sensors are developed as a series of a range of sizes with diameters 12, 14, 16, 20, 25, 30 and 40mm. Optional dimensions (size and thickness) as well as customized performance parameters are available by request.

HTx Series Heat Flux sensors developed for measurement of conductive, convective and radiation heat fluxes in a wide range of heat flux intensities. The high sensitivity of HTx Sensors provides accurate experiments and data on objects of investigations.

One of the key features of HTx Sensors is the self-calibration method. It means the possibility to calibrate  the heat flux sensor precisely by measurement of its thermoelectric parameters. Thus, it is not necessary to dismount the sensor and send it to labs. The ability of self-calibration method removes all the typical limitations with heat flux sensors mounting in final application.

The calibration procedure is possible with use of TEC Microsystems Datalogger (DX8140), specially developed for thermoelectric Heat Flux Sensors, or by use of Z-meters.

The Heat Flux Sensors of the HFX series – the series of high sensitive and self-calibrating miniature Sensors. The Sensors were developed for measurement of conductive, convective and radiation heat fluxes in a wide range of intensities.

The Sensors have a square shape. Electric connections come from the parts by a miniature FEP Flat Ribbon Cable (0.025” Pitch, 32 AWG). The standard length is 180 cm (6”). The cable output is ended by a six-pin miniature connector of the type DFMC 0,5/ 6- ST-2,54 (Phoenix). Both sides of the Sensors are ceramics (AlN) covered with black paint stable for working in wet ambient and even under water.

Internal ambient of the Sensor is potted by a silicon compound of high temperature stability.




Sensor Type


HTD

HTD

HTC

HTC

HTC

HTC

Sensor P/N


04-059-08D12 

04-127-05D16 

04-126-05D20

06-126-08D25

06-126-08D30

06-284-08D40

Surface material


Aluminum, painted black 

Aluminum, painted black 

Aluminum, painted black 

Aluminum, painted black 

Aluminum, painted black 

Aluminum, painted black 

Protection


IP67 

IP67 

IP67 

IP67 

IP67 

IP67 

Surface dimensions dia, D

mm

12

16

20

25

30

40

Thickness H

mm

2.4 

2.1

3.1

3.4

3.4

3.4

Pellet pairs 


59

127

126

126

126

284

Sensitivity Se

μV/(W/m2) 

53

60

85

110

137

276

Integral sensitivity Sa

V/W

0.46

0.30

0.27

0.23

0.19

0.22

Heat Flux Range Pe

±W/m2

4500

7 500

5 000

4 500

4 000

4 500

Integral Heat Flux Range Pa

±W

0.5 

1.5

1.6

2.3

2.8

5.5

Thermal Time Constant

s

3.2 

3.1

6.8

6.6

7.2

6.8

Thermal Resistance RT

K/(W/m2) 

2.10E-03 

1.40E-03

2.00E-03

2.10E-03

2.50E-03

2.30E-03

Integral Thermal Resistance RT

K/W 

18.6 

6.8

6.2

4.4

3.5

1.8

Electrical Resistance ACR

Ohm

5.91 

8.03

7.96

5.55

5.55

12.5

Temperature Dependence dS/dT

%/°C 

0.20 

0.20

0.20

0.20

0.20

0.20

Linearity with Power dS/dP

±%/(W/m2)

0.04% 

0.03 %

0.04 %

0.04 %

0.05 %

0.04 %

Homogeneity dS/dA

±%

1

1

1

1

1

1

Calibration Accuracy

±%

3

3

3

3

3

3

Thermistor


Pt1000 (1%, 0.375%/°C) 

Pt1000 (1%, 0.375%/°C) 

Pt1000 (1%, 0.375%/°C) 

Pt1000 (1%, 0.375%/°C) 

Pt1000 (1%, 0.375%/°C) 

Pt1000 (1%, 0.375%/°C) 

Calibration Temperature Range

°C

-40 ... +85 

-40 ... +85 

-40 ... +85 

-40 ... +85 

-40 ... +85 

-40 ... +85 

Operating Temperature Range

°C

-60 ... +150 

-60 ... +150 

-60 ... +150 

-60 ... +150 

-60 ... +150 

-60 ... +150 

Max. compressive Force for clamping

kg

10

41

41

91

91

204

Cable Length L

cm

180

180

180

180

180

180

Connector type

FMC 0.5/6-ST-2.54-18211355 

RoHS 

Compliant 

Datasheet

PDF

link

link

link

link

link

link


HTx Series Heat Flux Sensors (Standard solutions)

Thermoelectric Heat Flux Sensors of HFX series

CHECK ALSO

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Heat Flux Sensors of HFX series – the series of high sensitive and self- calibrating miniature sensors for conductive, convective and radiation heat fluxes. The Sensors are developed as a series of a range of sizes: 4x4, 6x6, 8x8, 10x10, 12x12 and 14x14 mm2. Quade-shaped devices w/o integrated temperature sensor.

Heat Flux Sensors of HRx series – the series of high sensitive and self- calibrating miniature sensors for radiation heat fluxes. The Sensors are developed as a series of sizes: 4x4 and 6x6 mm2. HRx Sensors have wireless package of SMD style, suitable for SMD mounting by flip-chip method.

Thermoelectric Heat Flux Sensors of HRx series