AK400 MAX – pH/Chlorine Meter

Measuring chlorine in water is an essential process to ensure the safety and quality of several processes, especially in drinking water treatment, swimming pool treatment, and industrial processes. Chlorine is a disinfectant widely used to eliminate pathogenic microorganisms and keep water safe for human consumption and use. However, inadequate chlorine levels can be harmful, and accurate measurement of residual chlorine is crucial to ensure levels are within acceptable limits for public health and quality standards.

Developed and manufactured by Akso, the meters of the Max line are portable, ideal for those looking for practical measurements. In addition to having a modern design and display with adjustable backlight, the Max line meters have date, time and internal memory to record measurements, with the possibility of uploading data to the computer via USB connection, offering agility and safety in the analysis process.

It has a GLP (good laboratory practice) function, allowing you to check the date the product was calibrated, the standards used and the calibration expiration date (optional). It also has quick and easy user firmware updates, guaranteeing the longevity of your product. The Max line meters allow you to select a user and sample ID, and to select among 3 language options (English, Spanish and Portuguese) making them extremely versatile and easy to understand. The Maxmeters are powered via a 3.7V battery rechargeable and Always On
Display mode, making them ideal for use in the field and in the laboratory.

Key Features:

  • GLP  – Good Laboratory Practice
  • IP65 Water resistant casing
  • Good accuracy and immediate results
  • Easy to operate
  • Large, easy to read display
  • Auto shut-off
  • PC communication
  • User ID: 9 options
  • Sample ID: 8 options
  • Date and time setting
  • Internal memory: 2000 Log groups
  • Calibration verification
  • Backlight adjustable
  • Built-in reaction time countdown
  • Error messages
  • Multiple measurements methods
  • Works with liquid and powder reagents
  • Rechargeable battery
  • Battery status indicator

Description

Specifications:

  • Measuring range:
    Free/total chlorine: 0.0 to 5.0 ppm
    pH: 6.5 to 8.0 pH
  • Resolution:
    Free/total chlorine: 0.01ppm (0 to 3.49 ppm) / 0.1ppm (3.5 to 5.0 ppm)
    pH: 0.1pH
  • Accuracy:
    Free/total chlorine: ±0.03ppm + 3% reading
    pH: ±0.2pH
  • Sample temperature: 15 to 35 °C
  • Sample volume: 10 mL
  • Light source: Light-emitting Diode (LED)
  • Wavelength: 525 nm
  • Measuring cell: Glass Cuvette
  • User ID: 9 options
  • Sample ID: 8 options
  • Internal memory: 2000 records
  • Automatic shutdown: Adjustable
  • Languages: English, Spanish, Portuguese
  • Operating Temperature: 0 to 50 °C
  • Operating Humidity: 10 to 90 % RH (non-condensing)
  • Power supply: 3.7v battery rechargeable
  • Dimensions: 95x80x190 mm (W x H x D)
  • Weight: 300 g (with battery)

AK400 is supplied complete with:

  • 1 carrying case
  • 2 glass measuring cells (15mL) AK4550
  • 1 reagent kit for free and total chlorine for 150 tests AK4001
  • 1 reagent for pH measurement 100 tests AK4009
  • 1 USB-C cable
  • 1 AK1075 AC/DC adapter
  • 1 cloth for cleaning/drying the cuvettes-
  • 1 instruction manual
  • 1 x 3.7v battery

Optional accessories:

  • AK4001: Liquid reagent for Free & Total Chlorine (150 tests)
  • AK4002: Liquid reagent for Free & Total Chlorine (300 tests)
  • AK4003: Liquid reagent for Free Chlorine (150 tests)
  • AK4004: Liquid reagent for Free Chlorine (300 tests)
  • AK4012: Kit standard calibration solution (0, 1, 2 and 4 ppm) for MAX photometers, 4 cuvettes
  • AK4550: Cuvette for MAX photometers (1 pcs.)

Akso Instruments Srl

AKSO, founded in 2003 in Brazil, designs and manufactures reliable measuring instruments. ISO certified, we provide high-quality products and dedicated support.

Contact Us

Via S. Maria dell'Olmo, 55

36016, Thiene (VI) - Italia

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