Apera Instruments PH400S Portable pH Meter with GLP Data Management and USB Port pH Measurement Range 200 to 1900

pH measuring instrument
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Product details

The Apera Instruments PH400S portable pH meter offers precise pH measurements with a wide range from -2.00 to 19.00 pH, making it suitable for various laboratory, industrial, and field applications. This device includes the 201T-S pH electrode with integrated temperature measurement, ensuring accurate readings under different conditions. It features a large, backlit LCD display that simultaneously shows pH value, temperature, and additional measurement and calibration information. The device supports quick and easy 1 to 5-point calibration with an automatic calibration function. For data management, it provides GLP-compliant data management with 500 memory groups and USB data output, enabling efficient logging and analysis. The self-diagnosis function displays the electrode status, promoting reliable operation and maintenance. With its portable design and comprehensive features, this pH meter is built for durability and consistent performance in demanding environments. The device measures approximately 18.5 cm in length, 3.5 cm in width, and 3.0 cm in height, weighing 200 g, which allows for easy handling and transport. It operates in a temperature range of 0 °C to 50 °C and requires standard calibration solutions, which are not included. This model is the successor to previous Apera pH meters and integrates improved data management and connectivity options. It is ideal for professionals in water quality testing, agriculture, food processing, and educational institutions who need accurate, portable pH measurements with robust data functions.

Key specifications

Detector type
pH measuring instrument
Temperature measuring range
0 - 50 °C
Max. temperature
50 °C
Detector equipment
Detector

General information

Item number
58263737
Manufacturer
Apera Instruments
Category
Detectors
Manufacturer No.
AI421
Release date
6.5.2025

Detector properties

Detector type
pH measuring instrument
Temperature measuring range
0 - 50 °C
Calibrated according to
Factory standard (with certificate)

Power supply

Power supply
Battery operated

Battery properties

Battery type
Alkali

Scope of delivery

Detector equipment
Detector

Product dimensions

Length
18.50 cm
Width
3.50 cm
Height
3 cm
Weight
200 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Detectors» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 10.Bosch Professional
    0.5 %
  • 10.Testo
    0.5 %
  • 12.Apera Instruments
    0.8 %
  • 12.Casativo
    0.8 %
  • 14.Peaktech
    1.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Apera Instruments
    Not enough data
  • 1.Flo-pak
    0 days
  • 1.Opple
    0 days
  • 1.TFA
    0 days
  • 1.Werkstein
    0 days

Return rate

How often is a product of this brand in the «Detectors» category returned?

Source: Digitec Galaxus
  • 8.TFA
    2 %
  • 9.Flo-pak
    2.2 %
  • 10.Apera Instruments
    2.3 %
  • 11.Bosch Professional
    2.4 %
  • 11.Testo
    2.4 %
Source: Digitec Galaxus