PH400S Portable pH Meter Kit


  • The high quality 201T-S 3-in-1 pH/Temperature Combination Electrode/Probe generates quick and accurate pH measurements (±0.01 pH, -2 to 19.99 pH)
  • IP57 Waterproof and Dustproof, ideal for use in harsh environments
  • The large backlit LCD displays pH and temperature simultaneously along with icons of stable readings and finished calibrations.
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The Apera Instruments PH400S Portable pH Meter Kit provides reliable pH measurements with various intelligent functions and a durable structure. Equipped with Apera’s high quality 201 T-S 3-in-1 pH/Temperature Electrode/Probe, the meter tests pH and temperature in a quick and accurate manner.

Intelligent Functions: Quick & Easy 1 to 5 Points Auto Calibration. The Smart Self-Diagnosis helps you conduct proper calibrations and determine the condition of your probes. GLP Data management (500 groups of data storage), USB data output and power supply. Timing measuring/data logging mode and Smart calibration reminder function available. Purified water and ammonia-added purified water measuring modes available. The large clear LCD displays pH/EC and temperature simultaneously along with icons of stable readings and finished calibrations.

Reliable Structure: IP57 Waterproof and Dustproof, ideal for use in harsh environments. It comes with a complete test kit including a meter, a pH electrode, a USB cable, PC-Link Software Disk (only works for a Windows-based system), and 3 bottles of calibration solutions all in a rugged carrying case. Powered by AA Batteries. Two-Year warranty for the meter. CE certified.

Warranty of PH400S

We warrant this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge, at the option of APERA INSTRUMENTS, LLC, any malfunctioned or damaged product attributable to the responsibility of APERA INSTRUMENTS, LLC for a period of THREE YEARS for the instrument and SIX MONTHS for the probe from the delivery.

This limited warranty does NOT cover any issues due to:

  • Accidental damage
  • Improper use
  • Normal wear and tear
  • Transportation
  • Storage
  • Failure to follow the product instructions
  • Unauthorized maintenance, modifications, combination or use with any products, materials, processes, systems or other matter
  • Unauthorized repair
  • External causes such as accidents, abuse, or other actions or events beyond our reasonable control.

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Parameter Model PH400S
pH Measuring Range (-2.00 to 19.99) pH
Resolution 0.1/0.01 pH
Accuracy ±0.01 pH ±1 digit
Temp. Compensation 0 to 100°C (32 to 212°F) Auto or Manual
mV Measuring Range ±1999 mV
Resolution 1 mV
Accuracy ±0.1% F.S ±1 digit
Temperature Measuring Range -10~110°C (32 to 230°F)
Resolution 0.1°C
Accuracy ±0.5°C±1 digit
Others Data Storage 500 groups
Storage Content Numbering, Date, Time, Measurements, Unit, Temperature
Data Output USB — PC-Link Software
Power Supply AA Batteries*4 (1.5V*4) / USB
IP Rating IP57 Waterproof and Dustproof
Dimensions and Weight Meter: (7.8*3.4*1.25) inches / 12 oz.
With carrying case: (19.5*14.5*4) inches/3.6 pounds

Cable Length: 3ft

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PH400S Portable pH Meter Kit

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