Optical SensorsTL-SS Series

Suspended Solids / MLSS Sensor

Suspended Solids / MLSS Sensor — TL-SS Series
Optical Sensors

Suspended Solids / MLSS Sensor

TL-SS Series

Near-infrared optical SS/MLSS sensor. Range 0–50 g/L, IP68, RS485 output.

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Product Overview

The TL-SS Series measures suspended solids (SS) and mixed liquor suspended solids (MLSS) using near-infrared optical scattering. Designed for continuous immersion in activated sludge basins, return sludge lines, and effluent channels.

Technical Specifications

ParameterValue
Measurement PrincipleNear-infrared optical
SS Range0–50 g/L
MLSS Range0–50 g/L
Accuracy±5% FS
Temperature Range0–50°C
Signal OutputRS485 Modbus RTU / 4-20mA
Power Supply12–24 VDC
ProtectionIP68
MaterialSS316L

Key Features

  • Near-infrared optical measurement — no reagents
  • Simultaneous SS and MLSS measurement
  • Suitable for high-solids environments
  • Continuous immersion design

Typical Applications

Activated sludge process controlReturn sludge monitoringEffluent SS monitoringIndustrial wastewater

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