Extratech di Laura Laurita v3.1 scheda...Extratech di Laura Laurita via del Seminario Maggiore, 35 -...

Extratech di Laura Lauritavia del Seminario Maggiore, 35 - 85100 Potenzatel. 0971.21432 – email [email protected] 018 762 207 63 – C.F. LRT LRA 72B65 G942Y

HFM – Heat Flux Meter(ver. 3.1)

Wireless thermo-flowmeter for the measurement of the transmittance in place of opaque components

Extratech announces the launch of the new graphic design and 24-bit hardware

architecture of its HFM thermo-flowmeter, completely redesigned in the hardware architecture

and optimized from the point of view of power consumption.

HFM v3.1 scheda_EN_v1_03.odt - 1 -

mailto:[email protected]


Typical device configurations.

HFM - Standard Module

✔ 2 channels with 24 bit resolution for PT1000 temperature and/or heat flow probes

✔ 868 / 915 Mhz wifi communication

✔ Ultra-low-power Bluetooth and built-in 4GB Micro SD card.

✔ Antenna 868 / 915 Mhz internal.

✔ Degree of protection IP66.

✔ Powered by 3.6 V lithium-ion battery

HFM – Optional

✔ Mini USB input (can be used to download data to a PC or to charge the integrated

rechargeable battery, if present).

✔ Rechargeable battery with transformer for charging from landline or USB port of PC or

tablet.

✔ Ethernet module with power supply.

✔ GPRS module for short monitoring on mobile workstations.

✔ GPRS module for long monitoring on fixed positions.

✔ Thermohygrometric sensor for the measurement of temperature and relative humidity.

✔ CO2 sensor, Radon sensor and others on request.

✔ Fix-Probe. Non-invasive locking system of the probes on the wall.




Logic of use

The HFM modules read the data from the sensors and record it on the integrated SD card.

For large fixed installations, a master-slave solution can be used to reduce costs (the slave

modules do not have a Bluetooth or sd card on board, so they can only read the sensors, but

they do not have the possibility of being configured by the customer. They are set at the time of

purchase. The data is then sent via wi-fi to the master module that records the data of all the

slave modules present).

The optional mini USB socket is used to download the recorded data (in CSV format) to a

PC for further processing and editing of the instrument report with the sw U-Value. In addition, if

you opt for rechargeable batteries, the USB port is also used for charging.

The devices are normally powered by a 3.6 V lithium-ion battery, in case of purchase of

devices with rechargeable battery, the charging operation can be done by connecting the box to a

PC or a common electrical outlet.

The Bluetooth module is used in the setup and configuration phase through apps (supplied

free of charge) on Android or Iphone smartphones.

The HFM flowmeter is supplied with a U-value, integrated software (s.o. Windows) for

reporting and calculation of transmittance in place, a simple and intuitive program that guides

the user, with a few steps, from the import of measured data to the final report.

Below are some images of U-value.




Typical HFM configurations

HFM F1T3

➔ 1 HFM T2 module with 2 PT1000 temperature probes.

➔ 1 HFM F1T1 module with 1 PT1000 temperature probe and 1 Heat flow probe.

➔ 1 WMS license with U-Value sw module for the calculation of the transmittance in place

according to ISO 9869 and the compilation of the instrumental report.

➔ 1 hard case.

FM F1T3 – Single point measurement

Internal side Outer side

HFM F1T4➔ 2 HFM T2 module with 4 PT1000 temperature probes.

➔ 1 HFM F1T1 module with 1 Heat flow probe.



➔ 1 hard case.






HFM F2T4

➔ 2 HFM T2 module with 4 PT1000 temperature probes.

➔ 1 HFM F2 module with 2 Heat flow probe.



➔ 1 hard case.

Note. This model allows to measure the flow in a single point but with a better accuracy due to

the presence of the double flow sensor.

NOT suitable for multipoint measurements.



HFM F2T6

➔ n°2 Moduli HFM T2 con n° 4 sonde di temperatura PT1000

➔ n°2 Moduli HFM F1T1 con n° 2 sonde di temperatura PT1000 e n° 2 sonde di Flusso

termico

➔ n°1 licenza d'uso WMS con modulo sw U-Value per il calcolo della trasmittanza in opera ai

sensi della ISO 9869 e la compilazione del report strumentale.

➔ n°1 valigia rigida

The F2T6 kit is the basic configuration for the implementation of the multipoint (2 points) HFM

thermo-flowmeter and is nothing more than a double HFM F1T3




HFM flowmeters can be configured according to specific customer requirements, the ones

shown in the previous pages are only the most common.

WMS monitoring systems with intrinsic robustness are designed for use in extreme

environments with an intrinsic protection degree of IP 67. The devices are optimized "Low Power" and

are powered by 1 lithium-ion battery of 3.6V that guarantees a use for 3-5 years depending on the

type of sensor connected. The GPRS concentrator/modem, for long-term monitoring applications, can

be powered, at choice, by a power grid or a photovoltaic panel of a few tens of watts.

The strong point of WMS systems is the electronics, entirely designed and developed in our

facilities, which has a 24-bit heart that ensures high standards of precision in the process of

measurement and sampling all in a footprint of only 13x9x4 cm that make it one of the smallest

measuring systems on the market.

Our systems are all modular and expandable and allow the use of a wide range of sensors for

the most varied needs for use in the most diverse sectors such as hydrogeological, environmental,

structural, energy, just to name a few.

HFM is an integral part of the development program called WMS-PROJECT (Wireless

Monitoring Systems), a set of user-friendly monitoring systems that are easy to use and install, with a

reduced use of cables and can be controlled remotely.




Technical characteristics

General:

• Manageable units: Unlimited• Internal memory: Micro SD card 4 Gb• Protection box: IP 67• Operating temperature: -40°C to +85°C• n° 1 Lithium-ion batteries (included)• Typical battery life: up to 3 years at 25°C with sampling every 10 minutes

Data acquisition:

• Recording intervals: selectable by software• clock: integrated• recording media: internal memory• data format: CSV

Data transmission:

• Frequency: ISM 868/915 Mhz• range in free field: 800m

Surface temperature probes:

• PT1000 class A• Measuring range -50 °C to +150 °C (+/- 15% IEC 751)• with 3 m cable

Heat Flow probe:

• sensitivity (nominal): 50 μV/ Wm2 • operating range: from -30 °C to +70 °C• thermal resistance of the sensor: < 6.25 10-3 Km2/W • range: from +2000 to -2000 Wm2

Typical kit (standard configuration):

• n.2 Wireless unit• n.3 PT1000 contact temperature sensors• n.1 Heat flow plate• n.1 Management and calculation software• n.1 Case

Due to the continuous search for technical solutions to improve the final product, configuration and specifications are subject to change without notice.




Fix Probe

Non-invasive probe fixing system

Extratech, constantly looking for innovative solutions, has developed and tested a special

system for fixing the contact probes to ensure perfect positioning without causing any damage to

the surface finish of the wall.



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