Verify dialysate pH before each patient treatment.

Ensure safe, optimal dialysis therapy for your patients

  • Verify three crucial treatment parameters (Conductivity, pH and Temperature)
  • Push-button calibration is fast and easy
  • Ergonomic handle offers safe and comfortable operation
  • Eliminate the need for pH paper

Follow FDA compliance

  • FDA Quality Assurance Guidelines recommend that the conductivity, pH and temperature of the final dialysate are checked with an independent reference meter before every treatment. These readings should be documented on the patient’s daily dialysis record.
  • The pHoenix XL hold feature freezes readings on the digital display for easy recording
  • Get intuitive onscreen menus and calibration process
  • FDA Class II Medical Device - Indications for Use: This device is designed for use by hemodialysis professionals to verify the conductivity, temperature, and pH of solutions in the hemodialysis setting.
phoenix xl replacement module
pHoenix XL Replacement Calibration Module

Take advantage of our new pHoenix XL Module Replacement Program!

Calibrate on-site and never be without your meter again.

  • Instead of sending your meter in every year for calibration, Mesa has engineered the pHoenix XL to offer a replacement measurement module that can be easily replaced in the field. Simply order a new, calibrated replacement module, replace, and you are all set!
  • By enrolling in a service plan, you ensure that all costs are covered for replacement calibration modules during your service plan agreement period.
  • You are eligible for this program when you need a new Replacement Module for your existing pHoenix XL meter.
  • Click here for program details.
Technical Specifications
Physical Specifications
Document Downloads

Technical Specifications

Temperature compensation:
15 to 45˚C
120 to 200 mS/cm
80 to 119 mS/cm
20 to 80 mS/cm
2.0 to 20.0 mS/cm
100 μS/cm to 2.00 mS/cm
5 to 99 μS/cm
1 mS/cm
1 mS/cm
1 mS/cm
0.1 mS/cm
10 μS/cm
1 μS/cm
±5 mS/cm
±2 mS/cm
±0.1 mS/cm
±10 μS/cm
±5 μS/cm
15.0 to 90.0˚C 0.1˚C ±0.5˚C
2.0 to 12.0 pH units 0.1 pH unit ±0.1 pH unit


Physical Specifications


Battery Type
H 11.0” x W 2.875” x D1.625” (28 x 7.3 x 4.1 cm)
8.8 oz (249 g) Battery
3.6V Lithium (P/N 210427-001)


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