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Thermo Scientific Orion Star A329 Portable pH/ISE/Conductivity/RDO/DO Meter Reference Guide
Meter Checkout (Conductivity)
Note: Requires the conductivity calibration resistor kit for Orion Star A series conductivity meters, Cat. No. 1010001, which
must be purchased separately.
The conductivity calibration kit contains six resistors that simulate standard conductance values on a meter. The resistors
may be used to verify proper meter function by comparing the meter reading to the conductance of the resistor. The
conductivity calibration kit verifies proper meter function only. After the meter function is verified, the conductivity cell
must be calibrated. Calibrate the cell constant of the conductivity cell according to the meter and cell user guides. Each
resistor is labeled alphabetically. The actual resistance and conductance values are printed on each resistor. The nominal
resistance and conductance values are listed on the label of the calibration kit box for reference.
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