Universal 4-wire, dual-input transmitter
Transmitters that work the way you work
Documentation
Specifications
Overview
The AWT420 transmitter can be used with either analog or digital EZLink sensors for a wide range of applications including drinking water, wastewater, industrial water and power.
Operation simplicity is a key feature of the AWT420 with its powerful, yet intuitive software, advanced self-diagnostics and its unique modular design that enables users to achieve increased efficiency through greater user flexibility, reduced process downtime and simplified maintenance.
With integrated Bluetooth you can securely connect to any iOS or Android device using the EZLink connect app to easily access essential sensor information. From checking your audit logs to downloading the latest software through your smartphone, we are confident that EZLink connect will make your life that little bit easier by providing you with a wealth of information and services to support you wherever and whenever you need it.
Plug-and-play universal modular design
‘Easy Setup’ menus provide step-by-step guidance
Multi-level security access prevents unauthorized modification of process control data
Secure data archiving to an SD card
Direct connection to your smart device
HART, Ethernet, PROFIBUS or MODBUS digital communications
Wall-, panel- or pipe-mountable
Data
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
Benefits
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