Page Comparison

Country

Slovakia

Product

VT325t

VT335t

VT825t

VT855t

Internal sensors

Temperature,

Voltage

Temperature,

Voltage

Temperature,

Voltage

Temperature,

Voltage

Sensor ports

4

4

8

8

Dry contacts IN/OUT

4

4

16

32/8

Output relay

2

2

2

+2

2

+2

Redundant power supply

No

Y

Y

Y

SNMP v1

- v3

Y

Y

Y

Y

Ping

Y

Y

Y

Y

Alarm output

2

2

2

2

Redundant network

Int. Modem

Ext.

modem

Ext.

modem

Ext.

modem

RS485 Reader

No

Possible

Possible

Possible

Modbus/TCP

No

Possible

Possible

Possible

CAN

1

1

1

2

USB

1

1

1

1

USB cam possibility

Y

Y

Y

Y

Extension units

20

20

20

20

SD

Y

Y

Y

Y

Operating t°C

-

10℃~ +70℃

-

25℃~ +85℃

-

25℃~ +85℃

-

25℃~ +85℃

Operating H%

5 – 95

5 – 95

5 – 95

5 – 95

Warranty Years

2

2

2

2

Max sensors tested

100

100

110

110

Max distance m.

225

225

225

225