TLENVIRONMENT
Nutrient AnalyzersTL-TP-300

Total Phosphorus Analyzer

Total Phosphorus Analyzer — TL-TP-300
Nutrient Analyzers

Total Phosphorus Analyzer

TL-TP-300

Online TP analyzer using ammonium molybdate spectrophotometry. Range 0–2 mg/L, RS485 output.

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Product Overview

The TL-TP-300 uses ammonium molybdate spectrophotometry to measure total phosphorus (PO₄) online. Reagent-based analyzer with automatic reagent injection, suitable for effluent compliance monitoring and biological phosphorus removal control.

Working Principle

The sensor uses a continuous online measurement principle with automatic temperature compensation. The measurement signal is processed by an integrated microprocessor and transmitted via RS485 Modbus RTU for direct integration with PLCs, data loggers, and SCADA systems. The 4–20 mA analog output provides compatibility with legacy control systems.

Wiring & Signal Output

Power supply: 12–24 V DC (standard); 220 V AC with adapter
Primary output: RS485 Modbus RTU (address configurable 1–247)
Analog output: 4–20 mA (proportional to measured value)
Relay output: 2 × SPDT relay for alarm / dosing control
Communication: Modbus RTU function codes 03 / 06 / 16
Cable entry: M16 cable gland, IP68 submersible cable available

Technical Specifications

ParameterValue
Measurement PrincipleAmmonium molybdate spectrophotometry
Measuring Range0–2 mg/L
Accuracy0.05 mg/L or ±10%
Resolution0.001 mg/L
Working Conditions0–50°C, 0–1 Bar
Power Supply24 VDC
ConnectionHose connection
Signal OutputRS485 Modbus RTU
Calibration2-point calibration
ProtectionIP68

Key Features

  • Ammonium molybdate spectrophotometry
  • Automatic reagent injection
  • High resolution: 0.001 mg/L
  • Suitable for effluent compliance monitoring

Typical Applications

Municipal wastewater effluentBiological phosphorus removalEnvironmental complianceIndustrial discharge

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Category

Nutrient Analyzers

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