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| Analog sensors | Description | Type | |
|---|---|---|---|
| 1 |  | DC current meter (VT405) | |
| 2 | | Current converter (VT406) | |
| 3 | | Current transmitter (VT407) | |
| 4 | | DC monitor 0-100V (VT410) |  |
| 5 | | Current loop converter 4-20 mA (VT420) |  |
| 2 |  | Temperature sensor (VT500) |  |
| 3 |   | Outdoor temperature sensor (VT501) | |
| 4 | | Humidity sensor (VT510) |  |
| 5 |   | AC voltage monitor (VT520) | |
| 6 |   | Access sensor (VT530) |  |
| 8 | | Vibration sensor (VT540). Chain connection possible. |  |
| 9 |   | Smoke sensor (VT560). Chain connection possible. |  |
| 10 |  | PIR sensor (VT570) |  |
| 11 |   | Leak sensor (VT590) |  |
| 12 | | Cable leak sensor (VT591) | |
| CAN modules | Description | Type |
|---|---|---|
| Rack control unit (VT430) |  |
| Rack control unit (VT430) | ||
| Access, dry contacts, temperature, humidity | |
| Dry contacts unit (VT440) | Dry contacts |
| CAN sensors | Description | Type |
|---|---|---|
| Smoke, humidity and temperature CAN sensor (VT460) | |
| PIR, vibration, temperature CAN sensor (VT470) | |
 | Humidity and temperature CAN sensor (VT490) |
|
| Embedded modules | Description | Type |
|---|---|---|
  | Dry contacts PCB (VT16) | |
 | Dry contacts PCB (VT32) | |
  | GSM modem (VT920) |  |
| Extension unit | Description | Type |
|---|---|---|
| Sensor unit (VT408) | Analog, CAN |
