Images are examples, some edited with AI. The technical data are authoritative. AI notice
Rack monitoring system Perseus Monitoring 155 with LTE backup, 8 sensor ports, 16 DI, PoE, plain unit - HW group 600846
Perseus Monitoring 155 is the 1U rack monitoring unit with a built-in LTE modem: if Ethernet fails, it stays reachable and alerts by SMS or voice call. It offers 8 RJ11 ports for 1-Wire UNI sensors, 16 digital inputs, 4 relays, a WLD zone and Modbus/RTU, powered by PoE, 48 V DC or 9-30 V DC. Plain unit without power adapter, 19-inch mounting kit or antenna.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
Environmental monitoring in a data center has to keep reporting precisely when the network goes down. Perseus Monitoring 155 then switches to its internal LTE modem, sends SMS or places calls and handles up to 100 meters with 1000 variables in 1U.
Benefits
- Resilient connectivity: LTE backup keeps the unit operational during an Ethernet outage, SMA antenna connector.
- Alerts without extra hardware: SMS and calls via the internal modem, which can also act as SMS gateway for other HW group devices.
- High port density in 1U: 8 RJ11 ports for 1-Wire UNI sensors and 16 digital inputs for door contacts, smoke detectors or fan failure signals.
- Simple power in the rack: PoE or 48 V DC at 250 mA, alternatively 9-30 V DC.
- Third-party devices and actuators: RS-485 with Modbus/RTU for meters, UPS or air conditioning, plus 4 relay outputs (max. 50 V, 1000 mA).
- Leak detection: 1 WLD zone for water sensing cable under the raised floor or along coolant distribution.
Applications
- Data centers and server rooms where a network outage must trigger its own alert
- Leak monitoring under raised floors and around CDUs and quick disconnects in liquid cooling
- Telecommunication installations and base stations with unreliable LAN links
- Remote infrastructure sites as data concentrator for sensors and meters
Compatibility
- HW group 1-Wire UNI sensors on the RJ11 ports
- HW group WLD sensing cables on the WLD zone
- SMS gateway for other HW group devices on the network
- Meters API: HWg devices such as STE2 R2 via XML, plus devices using SNMP, Modbus/TCP, MQTT or Modbus/RTU
- Portal based on SensDesk technology and the HWg Monitor app for Android and iOS
Technical data
| Network | Ethernet RJ45, 10/100 Mbit/s, DHCP, IPv6 |
|---|---|
| Cellular | LTE (global), external antenna with SMA connector |
| Protocols | HTTP, HTTPS, SNMP v1 and v3, SNMP trap, SMTP with TLS, SNTP, XML, MQTT, Modbus/TCP, BACnet/TCP |
| Sensor ports | 8 x RJ11 for 1-Wire UNI sensors |
| RS-485 | 1 x terminal block, Modbus/RTU |
| Digital inputs | 16 x dry contact, with counters |
| Water leak detection | 1 x WLD zone |
| Relay outputs | 4 x relay, max. 50 V, 1000 mA |
| Capacity | up to 100 meters, 1000 variables, 32 MB data logger |
| Alerting | Email, SNMP trap, SMS and calls via internal LTE modem, up to 100 recipients each |
| Security | RADIUS (IEEE 802.1X), admin and user accounts, HTTPS with custom certificate |
| Power supply | 9-30 V DC via barrel jack (2.1/5.5 mm) or terminal block, 48 V DC via terminal block, PoE via RJ45 |
| Consumption | 500 mA at 9-30 V DC, 250 mA at 48 V DC and PoE |
| Operating conditions | -30 to +65 °C, 5-95 % RH |
| Dimensions and weight | 300 x 145 x 38 mm (W x H x D), 1120 g, 1U |
| Housing and mounting | Metal, 19-inch rack or table |
| Ingress protection | IP40 |
| Warranty | 24 months |
| Manufacturer part number | 600846 |
| Weight | 1.119 kg |
| Manufacturer | HW group |
| Hersteller-Nr | 600846 |
| Zolltarifnummer | 85176200 |
| GPSR Herstellerdaten | HW group s.r.o., Rumunská 26, CZ-120 00 Praha 2, www.hw-group.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Czechia |
| Interface | Digital I/O, Ethernet, RS-485, 1-Wire, Mobilfunk (LTE) |
| Protection rating | IP40 |
Scope of delivery
- Perseus Monitoring 155 plain unit
- Not included: power adapter, 19-inch mounting kit and LTE antenna
Downloads
User Manual
Declaration of Conformity
Accessories
Rack temperature and humidity sensor 1WR-HTemp Rack19 2p, -10 to +80 °C, 0-100 % RH, 1U, 2x RJ11 - HW group 600889
Item HWG-600889Rack temperature sensor 1WR-Temp Rack19 2p, -10 to +80 °C, 1U, 2x RJ11 for daisy-chaining - HW group 600888
Item HWG-600888Door contact MK4 for digital input, dry contact, 3 m cable, IP40 - HW group 600371
Item HWG-600371Water flood detector 1W-UNI 3m, spot detection with 4 contact pins, IP67, 3 m cable, RJ11 - HW group 600579
Item HWG-600579Power presence detector Power Detector 110-230 V AC, EU plug Type C, relay output for DI - HW group 600667
Item HWG-600667Optical smoke detector FDR26, 12 V DC, relay output for digital input, IP40 - HW group 600427
Item HWG-600427Wall plug power adapter 12 V DC, 1.5 A, international with EU, UK, US plugs - HW group 600620
Item HWG-600620Show 3 more items
Antenna LTE/GSM pigtail SMA, compact quadband antenna with SMA connector, no extension cable - HW group 600765
Item HWG-600765Antenna LTE/GSM 3m-cable SMA, quadband external antenna on 3 m cable with SMA connector - HW group 600530
Item HWG-600530WLD sensing cable Type B set 2+2 m, 2 m sensing cable with 2 m connecting cable AB, ready to connect - HW group 600918
Item HWG-600918ESD version
Rack monitoring system Perseus Monitoring 155 Tset with LTE, temperature starter set with antenna - HW group 600865
Item HWG-600865Questions about this item
Any other question?
Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day. Ask a question

















