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PH220 pH Probe Amplifier
Services Available
Repair No
Calibration No
Free Support No

Overview

Although the PH220 pH Probe Amplifier has been retired, some replacement parts remain available (see Ordering Info). The PH220 was a high-impedance differential amplifier used with pH and other ion-specific electrodes (e.g., NH4, CO2, NO3, K, Cl, Ca, SO4, and Na). It typically was used in laboratory settings where inexpensive, unamplified ion-specific probes could be connected in succession.

Images


Specifications

Compatibility

Note:The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X(retired)
CR10(retired)
CR1000(retired)
CR10X(retired)
CR200(retired)
CR205(retired)
CR206(retired)
CR210(retired)
CR211(retired)
CR215(retired)
CR216(retired)
CR23X(retired)
CR295(retired)
CR3000(retired)
CR500(retired)
CR5000(retired)
CR510(retired)
CR800
CR850
CR9000(retired)
CR9000X(retired)

Additional Compatibility Information

Connected sensors are measured by the VoltDiff Instruction when using CRBasic or by Instruction 2 (Differential Volts) when using Edlog.

A differential analog input, 12 Vdc, and GND connections are required.

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