Top products
Poseidon XXXX selector:
Embedded modules & kits
Our SW utilities
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HWg office in Prague:
- Prague / Outdoor: 18.3°C
- Prague / Indoor: 28.1°C
- Prague / Indoor: 55.1%RH
Check the devices online: Online demos
New / updated products
- IO Controller ER84a
Serial port, 8 Digital Inputs and 4 DO Relay outputs over Ethernet in DIN rail housing.

- Poseidon 3468
Poseidon measurement device with Thermostat function (two 230V-rated SPDT relays).
- New sensors with display
New RS-485 sensors with display.
Humidity and AirPressure sensor for outdoor usage.
- HWg-Tg11
GSM thermometer with temperature logging and alerting over SMS and e-mail (GPRS).
- PortStore4
CDR/SMDR data collestion with Emailu and FTP support.
- HTemp-485 Box2
New version of popular RS-485 temperature & humidity sensor replacing old one HTemp-485.
- PortStore2 PL
Collects call accounting data from a PBX (CDR/SMDR) over a serial line (RS-232).
- PowerEgg
PowerEgg can detect and control 110 / 230V AC voltage.
It can be connected to any Poseidon, Damocles or IP WatchDog device.
- HW VSP3
Free Virtual Serial Port for Windows Vista now available.
Quick sitemap

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What's New?
22. 6. 2009
IPRC cmd New software utility for I/O Controllers & IP Relay. Command line outputs control utility for Windows/Linux.
14. 6. 2009
NEW: I/O Controller HWg-ER84a RS-232/485 serial port, 4 relay outputs and 8 inputs for contacts accessible over an Ethernet IP network. HWg-ER84a is a terminal server (serial line) with added binary inputs and relay outputs. It is controlled over TCP/IP using a Telnet-like M2M protocol.
2. 6. 2009
HW group products are distributed in Poland. - We would like to present you our new distributor - Atel Electronics.
For 20 years Atel Electronics company has been importing and distributing high quality subassemblies of telecommunication and computer networks. The company owns its strong position on the market thanks to complex offer which is continuously widen with solutions of renowned suppliers.
The company offers passive network subassemblies (racks, wiring, connectors), active network subassemblies (switches, routers, KVM devices, VoIP solutions, SFP modules) and advanced measurement equipment to fiber communication systems. There are almost 4000 products in the offer.
1. 6. 2009
New Poseidon 3468 with 110/230V relay outputs
 Poseidon is an IP thermostat with 2 relay outputs, 4 dry contact inputs, and support for 4 sensors. Includes a built-in web server, output control and alarm alerts (e-mail and SNMP trap). Two relay outputs rated up to 110/230V can be controlled manually over a web interface.
15. 5. 2009
IP Cameras & Poseidon Connect IP sensors with live IP video to enable new possibilities and applications.
HW group presented the benefits of this integration at a roadshow with IPSECURITY - the largest distributor of Axis IP cameras in the Czech Republic
older news...
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