Level Meter
Radar Level Transmitter

SMR61 series

Radar Level Transmitter

Radar Level Transmitter is connected directly via RS485 communication interface, providing simple, reliable, cost- saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the level transmitter is ideally used in water/wastewater industry.
View More Details
DM (7.3 MB)
  • All-in-One Compact Housing, Built-in Transmitter and Sensors
  • Robust IP68 Water Submersible Protection, Directly Installed in the Field, No Cabinet Required
  • Plug & Play, On-line Realtime Measurement
  • Ultra Low Power Consumption, Ideal for Outdoor Applications
  • 1500 N Tensile Strength Kevlar Reinforced Cable
  • Surge Protection for Power and RS485 Communication
  • RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
  • Onboard Memory Allowing Users Easily Calibrate and Configure Sensor at Lab and Distribute to Various Fields Sites
  • AQCFG Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
Stormwater, surface water, wastewater
Measurement Method
The sensor combines proven radar measurement technology with state-of-the-art spectral signal processing technology to provide an reliable and accurate way to measure level.

Submersible, flow through, pipe insertion

SMR61  Radar Level Meter 
Output Signal RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit
Data Resolution 16 bits (0.001% FS)
Surge Protection 4000 VDC
Power 5~12 VDC, 0.5 A
Protection Polarity, Overload, Short circuit
Safety CE, FCC
Radar Level
Type Radar
Frequency SMR61-1: 60 GHz ; SMR61-2: 120 GHz
Measurement range SMR61-1: 0 ~ 12 m ; SMR61-2: 0 ~ 30 m
Accuracy ±2 mm
Rseolution 0.1 mm
Operating temperature -30 ~75 °C
Response time 5 secs
Protection IP68
Connection 1”-11 PT; 5-pin M12 plug
Housing POM
Dimension ϕ 90 X 150(H) mm
Weight approx: 1.2 Kg; cable: 80 g/m
Hydrostatic Level 
Measurement range 0~10 m ; 0~50 m
Accuracy ±0.1% FS (SS316L); ±0.25% FS (Titanium)
Resolution 0.01% FS
Repeatability ±0.025% FS
Stability (annual) ±0.1% FS
Safety Load 3 X measurement range Rupture >4 X measurement range
Rupture >4 X measurement range
Sensor Pt1000
Measurement range -30~75 °C
Accuracy ±0.1 °C
Resolution 0.01 °C
Repeatability 0.1 °C