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Hanna Instruments HI 2550 User Manual

Page 11

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11

TDS MEASUREMENTS

TDS MEASUREMENTS

TDS MEASUREMENTS

TDS MEASUREMENTS

TDS MEASUREMENTS
Press the ALT&MODE keys while in EC range. The instrument will switch
to TDS measuring range. The TDS reading will be displayed on the
primary LCD and the temperature reading on the secondary LCD.

• If the reading is out of range, the full-scale value (100.0 for MTC/ATC

mode or 400.0 for uncompensated TDS) will be displayed blinking.

• If LOCK was pressed and the reading goes out of range, the full-scale

value of the frozen range will be displayed blinking.

NaCl MEASUREMENTS

NaCl MEASUREMENTS

NaCl MEASUREMENTS

NaCl MEASUREMENTS

NaCl MEASUREMENTS
Press the ALT&MODE keys while in EC range until NaCl is displayed on
the LCD. The instrument will display the NaCl reading on the primary LCD
and the temperature reading on the secondary LCD line.

• If the reading is out of range, the full-scale value (400.0%) will be

displayed blinking.

TEMPERATURE MEASUREMENTS

TEMPERATURE MEASUREMENTS

TEMPERATURE MEASUREMENTS

TEMPERATURE MEASUREMENTS

TEMPERATURE MEASUREMENTS
In pH and ORP mode, connect the HI 7662 temperature probe to the
appropriate socket.
Submerse the temperature probe into the sample and allow the reading
on the secondary LCD to stabilize.
In EC/TDS/NaCl range, the HI 76310 probe has a built-in temperature
sensor.