Water Analytics

Hach EZ1036

Online Sulfate Analyzer

An online colorimetric sulfate analyzer that brings laboratory wet-chemistry methods into continuous industrial and environmental monitoring.

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Hach EZ1036 Online Sulfate Analyzer
Hach · EZ1036
01

Overview

The EZ1036 automates a laboratory-style colorimetric sulfate method for online use. The analyser integrates metering, reaction, optical measurement, automatic cleaning and calibration, with options for multiple sample streams and plant communications.

02

Key characteristics

  1. 01Standard 10–40 mg/L measurement range
  2. 02Automatic cleaning and two-point calibration
  3. 03Up to eight sample streams
  4. 04Industrial tablet control and communications
03

Technical specifications

Measured parameter
Sulfate (SO₄²⁻)
Standard range
10 to 40 mg/L
Precision
≤ 3% of full scale using standard solutions
Sample temperature
10 to 30 °C
Ambient conditions
5 to 35 °C; 5 to 95% relative humidity, non-condensing
Sample quality
Particles < 100 μm; suspended solids < 0.1 g/L; turbidity < 50 NTU
Communications
4–20 mA, RS232 and Modbus TCP/IP or RS485 options
Enclosure / size
IP55 analyser; IP65 industrial tablet; approximately 690 × 465 × 330 mm
04

Applications

  • Wastewater
  • Drinking water
  • Power generation
  • Surface water
05

Selection notes

  1. 01

    Confirm the sulfate range and matrix so the reagent method can be configured correctly.

  2. 02

    Review filtration or sample conditioning where solids exceed the stated limits.

  3. 03

    Define the number of sample streams and required analogue or Modbus outputs.