- Operation
- Number of sensor inputs
- Up to 2 analog or digital sensors
- Measurement parameters
- pH/ORP, 2-electrode conductivity, 4-electrode conductivity, optical dissolved oxygen, turbidity/suspended solids
- Language
- English, German, Italian, Spanish, French, Portuguese, Russian, Turkish, Polish, Chinese
- Mechanical data
- Protection :
- IP66 / NEMA 4X
- Dimensions :
- 144 × 144 × 99 mm (5.67 × 5.67 × 3.89 in)
- Weight
- Aluminium enclosure: 1.364 kg (2.5 lb)
- Polycarbonate enclosure: 1.0 kg (2.2 lb)
- Electrical
- Supply voltage
- 100 to 240 V AC ±10 %, 50/60 Hz
- 24 V DC (18 min. to 36 max.)
- Power consumption
- <15W
- Analog outputs
- 2 standard + 2 optional with analog module
- Relay outputs
- 4 standard
- Digital input/output
- 1 standard, user-programmable as input or output
- Connectivity/Communications (optional)
- Ethernet
- PROFIBUS DP
- MODBUS RTU RS485
- HART
- Hazardous area approvals (aluminium enclosure only)
- Hazloc EZLink channels fitted :
- ATEX/IECEx
- II 3(3) G Ex ic ec NC [ic Gc] IIC T4 Gc
- – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
- cULus
- Class I, Div 2, Gps ABCD T4
- – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
- No Hazloc EZLink channels fitted :
- ATEX/IECEx
- II 3 G Ex ice c Nc IIC T4 Gc
- – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
- cULus
- Class I, Div 2, Gps ABCD T4
- – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
- Marine Approval
- Lloyd's Register approved for marine applications (category ENV2)
- Tested according to IACS UR E10, Rev. 7, Oct. 2018
- MCERTS
- Certificate no. Sira MC220375/00
AWT420 原廠資訊連結