The following table presents the most known 19" environmental IP monitoring units.
| Vutlan | Vutlan | AKCP | Netbotz | |||
|---|---|---|---|---|---|---|
| Country | Slovakia | Thailand | USA | |||
| Product | VT335 | VT825i / VT825ii | VT855i / VT855ii | VT960i / VT960ii | SecurityProbe 5E | NBRK0570 |
| Internal sensors | Temperature, Voltage | Temperature, Voltage | Temperature, Voltage | Temperature, Voltage | No | No |
| Sensor ports | 4 | 8 | 8 | 8 | 8 | 6 |
| Dry contacts IN/OUT | 4 | 16 or 32/8 | 32/8 | 32/8 | No | No |
| Output relay | 2 | 2 | 2+2 | 2+2 | No | 2 |
| Redundant power supply | No | Y | Y | Y | No | No |
| SNMP v1 , v2c, - v3 | Y | Y | Y | Y | Y | Y |
| Ping | Y | Y | Y | Y | No | No |
| Alarm output | 2 | 2 | 2 | 2 | Y | Y |
| Redundant network | Int. Modem | Ext. modem | Ext. modem | Ext. modem | No | No |
| SSH | No | No | No | Y | No | No |
| Modbus/TCP | No | No | Y | Y | Y | Y |
| CAN | 1 | 1 | 1 | 1 | No | LIN |
| USB | 1 | 2 | 2 | 2 | 1 | 4 |
| USB cam possibility | Y | Y | Y | Y | Y | Y |
| Extension units | 20 | 20 | 20 | 32 | 8 | 12 |
| SD | No | Y | Y | Y | Y | No |
| Operating t°C | -10℃~ +70℃ | -25℃~ +85℃ | -25℃~ +85℃ | -25℃~ +85℃ | 0 - 55 | 0 - 45 |
| Operating H% | 5 – 95 | 5 – 95 | 5 – 95 | 5 – 95 | 5 – 95 | 5 – 95 |
| Warranty Years | 2 | 2 | 2 | 2 | 1 | 2 |
| Max sensors tested | 30 | 100 | 110 | 200 | 100 | 78 |
| Max distance m. | 225 | 225 | 225 | 225 | 300 | 1000 |
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