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Created a new page about the techem fhkv data II
[[File:Techem-fhkv-data-2-type-front.jpg|thumb|325x325px|The device as seen from the front, this side contains a small LCD screen.]]
The FHKV data II is a heat metering device often attached to individual radiators.
== Overview ==
The FHKV data II (2) is an inexpensive heat meter made by Techem. It can be found for around 10€ on various internet pages. External features show a small LCD screen with space for five 7-segment numbers, as well as two icons. One of the icons is a pen, the other an antenna dish. The display is slightly inset into the device. Above the right of the display is what seems to be an optical communications port. The device supports remote access to the meter. The bottom contains various information about the device, such as approvals and alike. It also contains a table with temperatures:
{| class="wikitable"
|+Temperatures
!Type
!Temperature
!Additonal field
|-
|tmin
|35 °C (95 °F)
|2F
|-
|tmin
|55 °C (131 °F)
|1F
|-
|tmax
|110 °C (230 °F)
|
|-
|tmax
|130 °C (266 °F)
|FF
|}
== Specifications ==
* '''Size (approximate, LxWxH):'''
** 22 mm x 40 mm x 116 mm
== Remote capebilities (RF) ==
The device supports a protocol known as "Wireless-M-Bus", which is an open standard. This means it can be easily received by open-source tools, such as [https://github.com/weetmuts/wmbusmeters wmbusmeter].
== Photos ==
<gallery>
File:Techem-fhkv-data-2-type-bottom.jpg|Bottom side of the device
File:Techem-fhkv-data-2-type-front.jpg|Front side of device
</gallery>
The FHKV data II is a heat metering device often attached to individual radiators.
== Overview ==
The FHKV data II (2) is an inexpensive heat meter made by Techem. It can be found for around 10€ on various internet pages. External features show a small LCD screen with space for five 7-segment numbers, as well as two icons. One of the icons is a pen, the other an antenna dish. The display is slightly inset into the device. Above the right of the display is what seems to be an optical communications port. The device supports remote access to the meter. The bottom contains various information about the device, such as approvals and alike. It also contains a table with temperatures:
{| class="wikitable"
|+Temperatures
!Type
!Temperature
!Additonal field
|-
|tmin
|35 °C (95 °F)
|2F
|-
|tmin
|55 °C (131 °F)
|1F
|-
|tmax
|110 °C (230 °F)
|
|-
|tmax
|130 °C (266 °F)
|FF
|}
== Specifications ==
* '''Size (approximate, LxWxH):'''
** 22 mm x 40 mm x 116 mm
== Remote capebilities (RF) ==
The device supports a protocol known as "Wireless-M-Bus", which is an open standard. This means it can be easily received by open-source tools, such as [https://github.com/weetmuts/wmbusmeters wmbusmeter].
== Photos ==
<gallery>
File:Techem-fhkv-data-2-type-bottom.jpg|Bottom side of the device
File:Techem-fhkv-data-2-type-front.jpg|Front side of device
</gallery>
