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Aquasol Digital · ABM405

Bench Top pH/TDS/DO Meter

Digital measurement solution for advanced laboratory analysis, quality control, research and routine high-volume testing.

Bench Top pH/TDS/DO Meter
Benchtop MeterModel ABM405

he AQUASOL DIGITAL Bench Top Multi-Parameter Meter is a next-generation, high-performance laboratory instrument designed for comprehensive water quality analysis. This advanced system enables accurate measurement of pH, ORP (Redox), Conductivity, TDS, Salinity, Dissolved Oxygen (DO), Oxygen (O₂), and Temperature—all in a single compact unit. Engineered with advanced microprocessor technology, the instrument delivers fast response, exceptional stability, and highly precise results, making it ideal for water and wastewater treatment plants, pharmaceuticals, chemical industries, aquaculture, environmental monitoring, food & beverage, and research laboratories.

Suppied with an magnetic stirrer, the meter ensures uniform sample mixing during analysis, significantly improving measurement accuracy, repeatability, and response time, especially for critical parameters like dissolved oxygen. Designed for maximum flexibility, this multi-parameter analyzer allows users to seamlessly switch between parameters by connecting the respective electrodes. The unit is supplied with all essential sensors (pH, conductivity/TDS, DO, temperature), while the ORP electrode is optional, providing a cost-effective and customizable solution.

With features like Automatic Temperature Compensation (ATC), large multi-parameter display, data storage, and optional USB connectivity, the instrument ensures ease of use and efficient data management. Built with a compact, spill-proof, and rugged bench-top design, the AQUASOL DIGITAL multi-parameter meter is engineered for continuous operation in demanding laboratory environments—delivering precision, convenience, and reliability in one powerful platform.

Key features

  • Advance Microprocessor based Design
  • Convenient with Splash proof keyboard
  • Stable Platform with Electrode holder
  • Large LCD display with Backlight.
  • Built in ATC (Automatic Temperate Compensation).
  • Advance Storage/Memory function.
  • Magnetic Stirrer Provided
  • USB Connectivity with Software

Technical specifications

  • Model - ABM405
  • pH Range - (-) 2.00 to 16.00
  • pH Accuracy - 1%
  • pH Resolution - 0.01 pH
  • ORP Range - ± 1999 mV
  • ORP Accuracy - 2%
  • ORP Resolution - 1 mV
  • Conductivity Range - 0 to 100 mS/cm
  • Conductivity Accuracy - 1%  
  • Conductivity Resolution -1μS
  • TDS Range - 0 to 66.0 ppt
  • TDS Accuracy - 1%
  • TDS Resolution - 1 PPM
  • Salt Range - 0 to 50 ppt
  • Salt Accuracy - 1%
  • Salt Resolution - 1 PPM
  • DO Range - 0 to 20.00 mg/L
  • DO Accuracy - 2%
  • DO Resolution - 0.01 mg/L
  • O2 Range - 0 to 200.0 %
  • O2 Accuracy - 2%
  • O2 Resolution - 0.01
  • Temp Range - 0 to 110 Deg C
  • Temp Accuracy - ± 0.2
  • Temp Resolution - 0.1 Deg C
  • Stirrer - Magnetic Stirrer Provided    
  • ATC - 0 to 100 °C
  • Sensor (Default) - pH, TDS, DO and Temperature Sensor is provided along with a meter. 
  •                              To measure ORP purchase separate electrode.

Typical applications

This product is suitable for advanced laboratory analysis, quality control, research and routine high-volume testing. Confirm sample compatibility, expected measuring range, calibration standards and sensor requirements before final selection.

Before ordering

Check which electrodes, probes, standard solutions, cables, holders, stirrers, software or mounting accessories are included and which are optional.

Measurement quality

Use the instrument as part of a controlled measurement process.

Calibrate

Use suitable fresh standard solutions and follow the calibration steps in the model manual.

Prepare the sensor

Inspect, rinse and condition the electrode or sensor. Remove bubbles and deposits that may affect response.

Measure and record

Allow a stable reading, note sample temperature and document calibration and instrument identification.

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