5
GENERAL DESCRIPTION
Other features include:
• Log on demand up to 200 samples (100 pH and 100 mV).
• Auto Hold feature, to freeze first stable reading on the LCD.
• GLP feature, to view last calibration data for pH.
• PC interface.
HI98168
is a portable, pH and temperature meter specifically designed for direct soil measurement.
It is provided with a series of new diagnostic features which add an entirely new dimension to the
measurement of pH, by allowing the user to dramatically improve the reliability of the measurement:
• Seven standard buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45) for calibration.
• pH calibration up to five calibration points (see instrument specifications).
• Custom calibration with up to five custom buffers.
• Messages on the graphic LCD for an easy and accurate calibration.
• Cal Check™ Diagnostic features to alert the user when the electrode needs cleaning.
• Optional user enabled “Outside Calibration Range” warning.
• Monitoring of the electrode aging.
• User selectable “Calibration Time Out” to remind when a new calibration is necessary.
This meter is supplied with a pH electrode specifically designed for direct soil measurement.
HI12923
is a glass body, refillable, single junction pH electrode. This electrode has a triple ceramic
junction in the outer reference cell and the conic pH sensing tip is made with low temperature glass.
There is an integrated amplifier and built‑in temperature sensor for automatically temperature com‑
pensated pH readings.