PH850-SA Portable pH Meter for Strong Alkalis

Cat. No.

For more information please call +1 (860) 436-9221
or email us at
For more information please call +1 (860) 436-9221
or email us at

Product Description: 

  • Equipped with Swiss LabSen® 841 pH Electrode and MP500 Temperature probe, designed for measuring strong alkaline solutions.

  • Intelligent Functions: Self-Diagnosis of out-of-range value and electrode invalidation, Auto. power-off, easy parameter setting

  • Rugged Structure Design: IP57 waterproof rating; Soft silicon case gives you a firm and comfortable grip

  • Powered by AA batteries; the foldable stand also allows use as a benchtop meter

Product Specifications: 

Technical Specifications
Range0 to 14 pH
Resolution0.01/0.1 pH
Accuracy±0.01 pH ±1 digit
Temperature Compensation0 to 100°C (Auto or Manual)
Range-1000 mV - 0 - 1000 mV
Resolution1 mV
Accuracy±0.2% F.S ±1 digit
Range0 to 100°C (23 to 212°F)
Accuracy±0.5°C ±1 digit
Other Specifications
Data StorageN/A
Storage ContentN/A
PowerAA Batteries * 3 / DC5V (USB port)
IP RankingIP57 dust-proof and waterproof
Dimensions& WeightMeter: (88_170_33 ) mm/ 313g With case_(360_270_76) mm/ 1.6kg
pH Electrode (LabSen 841) Specifications
Housing MaterialLead-free glass
Temperature sensorNo
Reference ElectrodeSilver ion trap
Electrolyte3M KCL
Shape of glass membraneHemisphere
Range2 to 14 pH
Temperature Range0 to 100°C (32 to 212°F)
ConnectorBNC and RCA

Apera PH850-SA Portable pH Meter Kit

Designed for professional pH measurement of strong alkaline and high salinity solutions with the help of the LabSen 841 pH Electrode and MP500 Temperature probe. Also good for general water solutions.

Easy Calibration

Easy 1-3 points of pH calibration, automatically recognizing pH standards of 1.68, 4.00, 7.00, 10.01, and 12.45.

Built Tough

The IP57 water-resistant structure makes the meter ideal for use in harsh environment. The rubber sleeve protects the instrument from general impact and gives you a firm grip.

Large LCD Display

1. Stability icon. Take the reading when the smiley face stays on screen.
2. Icons for finished calibrations
3. Simultaneous temperature display

LabSen 841 pH Electrode

Built with proprietary sensor technology and premium materials from Switzerland, LabSen 841 pH Electrode and MP500 Temperature probe, designed for measuring strong alkaline solutions.

Specialized Electrolyte

Apera's proprietary blue gel inner solution does not flow at all, which means it will never generate air bubbles. The electrode can work well even when being held upside-down. It is not only more convenient to use, but also improves the measurement accuracy by eliminating heat convection in the inner glass membrane.

Swiss HA glass membrane

LabSen HA membrane is made for strong alkaline solutions (10-14 pH) and high salinity solutions, effectively minimizing alkaline errors caused by sodium ions. Compared with conventional electrodes, its service life testing these samples is 5 times longer.

Silver-ion-trap reference system

The combination of a Long-life reference system and a silver ion trap. The silver ion trap will absorb all the exuded Ag+, ensuring that there's no Ag+ in the reference electrolyte, and avoiding junction clogs caused by samples containing sulfides, proteins or TRIS buffer solutions.

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PH850-SA Portable pH Meter for Strong Alkalis


      395.00 395.00 395.0 USD


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      PH850-SA Portable pH Meter for Strong Alkalis Accessories:

      16oz. pH Calibration Buffer Solution Kit, 4oz. storage solution for pH/ORP Electrodes, plus Apera's CalPod
      Cat. No.:

      55.00 55.0 USD

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      8oz pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 4oz storage solution for pH/ORP Electrodes
      Cat. No.:

      30.00 30.0 USD

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      LabSen 841 Glass-body pH Electrode for Strong Alkaline Solutions, BNC Connector
      Cat. No.:
      LabSen 841

      149.00 149.0 USD

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      MP500 Temperature Probe, RCA Connector, Compatible with Apera PH700, SX823-B, PH800, PC800
      Cat. No.:

      57.00 57.0 USD

      View Details

      PH850-SA Portable pH Meter for Strong Alkalis Accessories:

      Standard pH Calibration Buffer Solution (Calibration-specific, color-coded)
      Cat. No.:
      Size :
      AI1123 - pH 12.46; 8 oz.

      15.00 15.0 USD

      View Details

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