About[]
"The 90XL is a state-of-the-art portable, multifunction meter designed to measure the conductivity, pH, temperature, and pressure of the dialysate fluids from hemodialysis delivery systems, and of the water used in hemodialysis clinics.
The 90XL Meter is a modular system. The system consists of the display module and the sensor modules. The display module is the controller for the system with a large display, microprocessor, circuitry, keypad and a rechargeable lithium ion battery power supply. Individual sensor modules are available for measuring either conductivity/temperature, pH, or pressure. The sensor modules contain the appropriate sensors and the circuitry for measuring the desired parameter of the sample solution. Up to four sensors, in any combination, can be used simultaneously, with all parameters displayed on the display module screen."[1]
This device is manufactured Mesa Labs
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