HFD04-059-05L08 datasheet(3/5 Pages) RMT

3 / 5 page

46 Warshavskoe shosse. Moscow 115230 Russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru

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U – sensor signal at heat ﬂux Pe;

N – number of pellet pairs inside a sensor;

RT – thermal resistance;

α – Seebeck coefﬁcient (average value P-N pair)

Calibration expression with use of Z, ACR and

Seebeck coefﬁcient α

Pinout Conﬁguration

Thermoelectric Solutions

HTD 04-059-08D12

HFD04-059-05L08

Self-Calibration Method

Measurement Scheme

RMT Heat Flux Sensor Cable is ended by miniature connector FMC 0,5/6-ST-2,54-18211355 (Phoenix).

The reciprocal connector p/n is MCV 0.5/6-G-2.54 SMD R44-1821588 (not included).

Heat Flux Direction

Connector Pins

Sensitivity of thermoelectric heat ﬂux sensor Sa [V/W]

Figure-of Merit Z of thermoelectric sensor

Sa =

= N × α × Rt

Z =

(N × α)2 × Rt

ACR

Sa =

× Z × ACR

(α × N)

Se = Sa × S

where S - surface area

Self-calibration to be made by measurement of Figure-of-Merit and ACR Resistance of thermoelectric heat ﬂux

sensor by four-wire method which is provided by four wires of the FET cable connected to the sensor.

Use series of Z-Meters made by RMT for

measurement of Figure-of-Merit and ACR

resistance of thermoelectric heat ﬂux sensor.

Or RMT Datalogger DX8140 developed for

HTX, HFX series of heat ﬂux sensors.

Signal Output

Used for Calibration

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